OS MasterMap Topography Layer

OS MasterMap Topography Layer map extract 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.

New – Improving the depiction of urban development in OS MasterMap

Features and benefits

Cogs

Detailed, accurate and rich in attributes allowing you to carry out in-depth analysis.
Current – updates available every six weeks.
Features are grouped into nine themes enabling more tailored use.

Suggested uses

Cogs and men

Asset management
Land and property planning and transactions
Rural and environmental analysis and policy-making
Risk assessment
Environmental monitoring
Customer service centres

Technical details

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: CD, DVD and FTP (for orders under 400 Mb).

Coverage: Great Britain (predefined areas are available or you may define your own area of interest)