Ordnance Survey MasterMap Topographic classification codes
            Use the search bar to search for features and their classification codes.
            
                
                    
                        | feature code | 
                        descriptive type | 
                        feature type | 
                        descriptive term | 
                    
                
                
                    
                        
                            | 10021 | 
                            Building | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10017 | 
                            Building | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10018 | 
                            Building | 
                            Line | 
                            Division | 
                        
                    
                        
                            | 10019 | 
                            Building | 
                            Line | 
                            Outline | 
                        
                    
                        
                            | 10022 | 
                            Building | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10016 | 
                            Building | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10020 | 
                            Building | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10025 | 
                            Buildings Or Structure | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10023 | 
                            Buildings Or Structure | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10024 | 
                            Buildings Or Structure | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10027 | 
                            Buildings Or Structure | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10026 | 
                            Buildings Or Structure | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10026 | 
                            Buildings Or Structure | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10031 | 
                            Built Environment | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10032 | 
                            Built Environment | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10029 | 
                            Built Environment | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10030 | 
                            Built Environment | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10034 | 
                            Built Environment | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10033 | 
                            Built Environment | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10044 | 
                            General Feature | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10046 | 
                            General Feature | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10041 | 
                            General Feature | 
                            Line | 
                            Tunnel Edge | 
                        
                    
                        
                            | 10048 | 
                            General Feature | 
                            Point | 
                            Positioned Nonconiferous Tree | 
                        
                    
                        
                            | 10045 | 
                            General Feature | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10051 | 
                            General Feature | 
                            Point | 
                            Positioned Boulder | 
                        
                    
                        
                            | 10050 | 
                            General Feature | 
                            Point | 
                            Positioned Coniferous Tree | 
                        
                    
                        
                            | 10042 | 
                            General Feature | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10043 | 
                            General Feature | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10054 | 
                            General Surface | 
                            Area | 
                            Step | 
                        
                    
                        
                            | 10056 | 
                            General Surface | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10052 | 
                            General Surface | 
                            Area | 
                            Multi Surface | 
                        
                    
                        
                            | 10052 | 
                            General Surface | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10058 | 
                            General Surface | 
                            Line | 
                            Step | 
                        
                    
                        
                            | 10057 | 
                            General Surface | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10055 | 
                            General Surface | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10059 | 
                            General Surface | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10062 | 
                            Glasshouse | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10064 | 
                            Glasshouse | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10063 | 
                            Glasshouse | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10061 | 
                            Glasshouse | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10060 | 
                            Glasshouse | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10065 | 
                            Height Control | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10071 | 
                            Height Control | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10068 | 
                            Height Control | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10067 | 
                            Height Control | 
                            Point | 
                            Bench Mark | 
                        
                    
                        
                            | 10066 | 
                            Height Control | 
                            Symbol | 
                            Bench Mark | 
                        
                    
                        
                            | 10070 | 
                            Height Control | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10069 | 
                            Height Control | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10076 | 
                            Historic Interest | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10075 | 
                            Historic Interest | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10080 | 
                            Historic Interest | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10072 | 
                            Historic Interest | 
                            Point | 
                            Site Of Heritage | 
                        
                    
                        
                            | 10073 | 
                            Historic Interest | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10077 | 
                            Historic Interest | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10074 | 
                            Historic Interest | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10089 | 
                            Inland Water | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10087 | 
                            Inland Water | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10083 | 
                            Inland Water | 
                            Line | 
                            Tunnel Edge | 
                        
                    
                        
                            | 10092 | 
                            Inland Water | 
                            Line | 
                            Culvert | 
                        
                    
                        
                            | 10088 | 
                            Inland Water | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10085 | 
                            Inland Water | 
                            Point | 
                            Culvert | 
                        
                    
                        
                            | 10091 | 
                            Inland Water | 
                            Symbol | 
                            Culvert | 
                        
                    
                        
                            | 10084 | 
                            Inland Water | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10082 | 
                            Inland Water | 
                            Symbol | 
                            Direction Of Flow | 
                        
                    
                        
                            | 10086 | 
                            Inland Water | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10090 | 
                            Inland Water | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10099 | 
                            Landform | 
                            Area | 
                            Cliff | 
                        
                    
                        
                            | 10096 | 
                            Landform | 
                            Area | 
                            Slope | 
                        
                    
                        
                            | 10093 | 
                            Landform | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10097 | 
                            Landform | 
                            Line | 
                            Bottom Of Slope | 
                        
                    
                        
                            | 10101 | 
                            Landform | 
                            Line | 
                            Ridge Or Rock Line | 
                        
                    
                        
                            | 10095 | 
                            Landform | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10103 | 
                            Landform | 
                            Line | 
                            Bottom Of Cliff | 
                        
                    
                        
                            | 10104 | 
                            Landform | 
                            Line | 
                            Top Of Cliff | 
                        
                    
                        
                            | 10098 | 
                            Landform | 
                            Line | 
                            Top Of Slope | 
                        
                    
                        
                            | 10100 | 
                            Landform | 
                            Point | 
                            Disused Feature | 
                        
                    
                        
                            | 10094 | 
                            Landform | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10106 | 
                            Landform | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10105 | 
                            Landform | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10102 | 
                            Landform | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10111 | 
                            Natural Environment | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10110 | 
                            Natural Environment | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10109 | 
                            Natural Environment | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10108 | 
                            Natural Environment | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10107 | 
                            Natural Environment | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10116 | 
                            Network Or Polygon Closing Geometry | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10115 | 
                            Network Or Polygon Closing Geometry | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10114 | 
                            Network Or Polygon Closing Geometry | 
                            Line | 
                            Inferred Property Closing Link | 
                        
                    
                        
                            | 10113 | 
                            Network Or Polygon Closing Geometry | 
                            Line | 
                            Polygon Closing Link | 
                        
                    
                        
                            | 10118 | 
                            Network Or Polygon Closing Geometry | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10117 | 
                            Network Or Polygon Closing Geometry | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10112 | 
                            Network Or Polygon Closing Geometry | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10123 | 
                            Path | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10119 | 
                            Path | 
                            Area | 
                            Step | 
                        
                    
                        
                            | 10125 | 
                            Path | 
                            Area | 
                            Tunnel Edge | 
                        
                    
                        
                            | 10124 | 
                            Path | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10120 | 
                            Path | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10121 | 
                            Path | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10122 | 
                            Path | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10126 | 
                            Political Or Administrative | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10131 | 
                            Political Or Administrative | 
                            Line | 
                            District | 
                        
                    
                        
                            | 10137 | 
                            Political Or Administrative | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10127 | 
                            Political Or Administrative | 
                            Line | 
                            County | 
                        
                    
                        
                            | 10128 | 
                            Political Or Administrative | 
                            Line | 
                            Electoral | 
                        
                    
                        
                            | 10136 | 
                            Political Or Administrative | 
                            Line | 
                            Parish | 
                        
                    
                        
                            | 10135 | 
                            Political Or Administrative | 
                            Line | 
                            Parliamentary | 
                        
                    
                        
                            | 10129 | 
                            Political Or Administrative | 
                            Point | 
                            Boundary Post Or Stone | 
                        
                    
                        
                            | 10132 | 
                            Political Or Administrative | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10134 | 
                            Political Or Administrative | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10130 | 
                            Political Or Administrative | 
                            Symbol | 
                            Boundary Half Mereing | 
                        
                    
                        
                            | 10133 | 
                            Political Or Administrative | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10167 | 
                            Rail | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10163 | 
                            Rail | 
                            Line | 
                            Standard Gauge Track | 
                        
                    
                        
                            | 10162 | 
                            Rail | 
                            Line | 
                            Standard Gauge | 
                        
                    
                        
                            | 10157 | 
                            Rail | 
                            Line | 
                            Tunnel Edge | 
                        
                    
                        
                            | 10155 | 
                            Rail | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10160 | 
                            Rail | 
                            Line | 
                            Buffer | 
                        
                    
                        
                            | 10164 | 
                            Rail | 
                            Line | 
                            Narrow Gauge | 
                        
                    
                        
                            | 10158 | 
                            Rail | 
                            Point | 
                            Structure | 
                        
                    
                        
                            | 10159 | 
                            Rail | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10161 | 
                            Rail | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10165 | 
                            Rail | 
                            Symbol | 
                            Switch | 
                        
                    
                        
                            | 10156 | 
                            Rail | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10166 | 
                            Rail | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10172 | 
                            Road Or Track | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10173 | 
                            Road Or Track | 
                            Line | 
                            Tunnel Edge | 
                        
                    
                        
                            | 10175 | 
                            Road Or Track | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10168 | 
                            Road Or Track | 
                            Line | 
                            Public | 
                        
                    
                        
                            | 10176 | 
                            Road Or Track | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10177 | 
                            Road Or Track | 
                            Symbol | 
                            Road Related Flow | 
                        
                    
                        
                            | 10170 | 
                            Road Or Track | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10169 | 
                            Road Or Track | 
                            Text | 
                            Road Name Or Classification | 
                        
                    
                        
                            | 10171 | 
                            Road Or Track | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10183 | 
                            Roadside | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10180 | 
                            Roadside | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10179 | 
                            Roadside | 
                            Point | 
                            Structure | 
                        
                    
                        
                            | 10182 | 
                            Roadside | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10181 | 
                            Roadside | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10178 | 
                            Roadside | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10193 | 
                            Structure | 
                            Area | 
                            Pylon | 
                        
                    
                        
                            | 10185 | 
                            Structure | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10187 | 
                            Structure | 
                            Area | 
                            Upper Level Of Communication | 
                        
                    
                        
                            | 10190 | 
                            Structure | 
                            Area | 
                            Archway | 
                        
                    
                        
                            | 10189 | 
                            Structure | 
                            Line | 
                            Pylon | 
                        
                    
                        
                            | 10195 | 
                            Structure | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10188 | 
                            Structure | 
                            Line | 
                            Network Closing Link | 
                        
                    
                        
                            | 10186 | 
                            Structure | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10192 | 
                            Structure | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10191 | 
                            Structure | 
                            Point | 
                            Structure | 
                        
                    
                        
                            | 10194 | 
                            Structure | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10184 | 
                            Structure | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10199 | 
                            Terrain and Height | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10201 | 
                            Terrain and Height | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10200 | 
                            Terrain and Height | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10202 | 
                            Terrain and Height | 
                            Point | 
                            Air Height | 
                        
                    
                        
                            | 10197 | 
                            Terrain and Height | 
                            Point | 
                            Spot Height | 
                        
                    
                        
                            | 10196 | 
                            Terrain and Height | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10198 | 
                            Terrain and Height | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10203 | 
                            Tidal Water | 
                            Area | 
                            Foreshore | 
                        
                    
                        
                            | 10210 | 
                            Tidal Water | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10208 | 
                            Tidal Water | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10212 | 
                            Tidal Water | 
                            Line | 
                            Mean Low Water (springs) | 
                        
                    
                        
                            | 10211 | 
                            Tidal Water | 
                            Line | 
                            Mean High Water (springs) | 
                        
                    
                        
                            | 10209 | 
                            Tidal Water | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10206 | 
                            Tidal Water | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10207 | 
                            Tidal Water | 
                            Text | 
                            Compound | 
                        
                    
                        
                            | 10204 | 
                            Tidal Water | 
                            Text | 
                            None | 
                        
                    
                        
                            | 10205 | 
                            Tidal Water | 
                            Text | 
                            Foreshore | 
                        
                    
                        
                            | 10217 | 
                            Unclassified | 
                            Area | 
                            None | 
                        
                    
                        
                            | 10216 | 
                            Unclassified | 
                            Line | 
                            None | 
                        
                    
                        
                            | 10215 | 
                            Unclassified | 
                            Point | 
                            None | 
                        
                    
                        
                            | 10214 | 
                            Unclassified | 
                            Symbol | 
                            None | 
                        
                    
                        
                            | 10213 | 
                            Unclassified | 
                            Text | 
                            None |