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 |