Ordnance Survey Digital Mapping products
If you are using OS MasterMap Topography Layer, you will not find another height product with this level of consistency and currency.
Understand and communicate the visual impact of planned development.
Plan coastal protection measures and model what-if scenarios with confidence.
Get your message across with real-world, three-dimensional modelling.
Analyse wind speed, signal propagation and flood risk.nsport and utilities infrastructure.
Identify gradients and access to planned developments for transport and utilities infrastructure.
Format | GML 3.2 and ASCII grid for DTM, GML 3.2 and Esri shapefile for contours. |
Resolution | Grid: 5m post spacing. Contours: vertical interval of 5m. |
Tile size | 5km x 5km |
Scale | 1:10 000 |
Supply | Download (annual contract) |
Update frequency | Quarterly |
Coverage | Great Britain |
In order to choose the correct product and your area of interest please use our online order form
OS MasterMap® Imagery Layer provides you with a current seamless picture of Great Britain, as a set of aerial photographs.
It gives a compelling visual dimension that cannot be gained from mapping alone.
This makes it perfect for monitoring features such as road markings, trees, pipe-lines and paths
Expertly colour-balanced and corrected for geometric distortions (orthorectified), OS MasterMap Imagery Layer is regularly updated, seamless aerial photography of the highest quality. Over 98% of our imagery is 5 years old or less; 66% is 3 years old or less.
- Identify vulnerable site entrances and exits.
- Monitor the condition and extent of tree canopies.
- Indentify properties with solar panels, conservatories and other home improvements.
- Identify road markings, traffic calming and popular pedestrian access routes.
Format | JPEG, geoTIFF and ECW. |
Metadata | XML format for each block, including day, month and year flown. |
Resolution | 25 cm |
Update frequency | 3-5 year cyclic revision synchronised with our large-scale data update programme. |
Supply | Download plus portable hard drive for large orders. |
Coverage | Great Britain |
Product refresh | Quarterly full supply or change-only update. |
In order to choose the correct product and your area of interest please use our online order form
OS MasterMap® Imagery Layer provides you with a current seamless picture of Great Britain, as a set of aerial photographs.
It gives a compelling visual dimension that cannot be gained from mapping alone.
This makes it perfect for monitoring features such as road markings, trees, pipe-lines and paths.
Expertly colour-balanced and corrected for geometric distortions (orthorectified), OS MasterMap Imagery Layer is regularly updated, seamless aerial photography of the highest quality. Over 98% of our imagery is 5 years old or less; 66% is 3 years old or less.
- Identify vulnerable site entrances and exits.
- Monitor the condition and extent of tree canopies.
- Indentify properties with solar panels, conservatories and other home improvements.
- Identify road markings, traffic calming and popular pedestrian access routes.
- Perpetual use licence available – ideal for project work.
Format | JPEG, geoTIFF and ECW. |
Metadata | XML format for each block, including day, month and year flown. |
Resolution | 25 cm |
Update frequency | 3-5 year cyclic revision synchronised with our large-scale data update programme. |
Supply | Download plus portable hard drive for large orders. |
Coverage | Great Britain |
Product refresh | Quarterly full supply or change-only update. |
In order to choose the correct product and your area of interest please use our online order form.
OS MasterMap Topography Layer provides a highly detailed view of Great Britain’s landscape including individual buildings, roads and areas of land. In total, it contains in excess of 400 million individual features.
You can use this product for example, to assess risk (financial or environmental) or to aid in the management of items that relate to geographical features such as pipelines.
The foundation of the OS MasterMap family, the Topography Layer gives you the context you need to interpret addresses, routes, imagery and all of the other information offered by the other layers, as well as complementary terrain and gazetteer datasets.
- Take the best-informed location-based decisions possible about customers, operations, assets and environmental risks.
- Understand in detail the potential impact on your customers, assets and sites of interest of developments by you or third-parties.
- Identify and communicate clearly your proposals or findings to customers, partners or the general public.
- Undertake effective scenario planning, situational awareness, strategic event management and support of security operations.
- Start by using it as a simple map, if you wish, then take advantage of its advanced features as your business requirements develop.
- Building height attribution – alpha data now available – enables you to make simple 3D visualisations of the urban environment.
Format | GML 2.1.2 |
Data structure | Vector (points, lines, polygons and text). |
Themes | Administrative boundaries, buildings, heritage and antiquities, land, rail, roads, tracks and paths, structures, terrain and height, and water. |
Scale | 1:1250 to 1:10 000 |
Update frequency | Six weekly – Continuous and cyclic revision (synchronised with other layers). |
Supply | FTP (for orders under 2 Gb) and DVD |
Coverage | Great Britain (define your own area of interest or take advantage of pre-defined areas of interest). |
In order to choose the correct product and your area of interest please use our online order form.
OS MasterMap ITN Layer
OS MasterMap Integrated Transport Network (ITN) Layer maps Great Britain’s roads into a detailed logical model. Road Routing Information provides route restriction information to enable route calculation and analysis. ITN’s Road Network theme includes all motorways, A roads, B roads, minor roads, local streets and private roads. Please use our online order form.
OS MasterMap AddressLayer2
OS MasterMap AddressLayer2 links any property address to its location on the map. It provides precise coordinates for more than 27 million residential and commercial properties in Great Britain. This layer is ideal to meet the needs of your business if you provide essential doorstep services. Please use our online order form.
OS MasterMap Networks - Water Layer
OS MasterMap Networks – Water Layer maps Great Britain’s watercourses into a detailed logical model. Information from Environment Agency and Scottish Environment Protection Agency supplements the base network to provide useful additional information for users. This product is currently in pre-release alpha form. Full release is planned for March 2014. Please use our online order form.
OS MasterMap Sites Layer
OS MasterMap Sites Layer is a nationally maintained dataset that maps the detailed extent of important locations such as Airports, Schools, Hospitals, Ports, Utility and Infrastructure sites and more. The points of access into these sites from the nearest road network, and routing points that reference the ITN Road Network are also provided. Please use our online order form.
DTM-Technologies specialise in digitally reproducing the world around us, accurately and at high resolution. We provide aerial survey, photography and film as well as land based scanning. Our deliverables are tailor made for our clients needs, interactive 3d applications, animations, point cloud and meshes. Survey grade data or simply for visualisation purposes, we aim to provide whatever you require.