
Ordnance Survey MasterMap Wales
The OS MasterMap Topography Layer delivers an exceptionally detailed and comprehensive mapping resource for Wales, offering an expansive dataset of more than 500 million distinct real-world features. This includes roads, buildings, parks, rivers, and much more, all stored within one of the largest and most sophisticated spatial databases in the world. It is a vital mapping services tool for understanding the landscape and topography of Wales.
Explore and purchase Ordnance Survey Maps of Wales online today, including the OS MasterMap, and reach out to us for additional details and assistance.

What is OS MasterMap?
The OS MasterMap Topography Layer is the ultimate resource for precise, property-level data maps of Wales, widely used by both public and private sectors. It catalogs a broad array of real-world features, such as buildings, fields, fences, and letterboxes, alongside abstract elements like county boundaries and tidal water lines. This map can be accessed as a topography map of Wales or covering the whole UK, making it the primary source of geographic data used for decision-making and planning purposes.
Why Choose Ordnance Survey MasterMap?
Comprehensive Mapping for Informed Decision-Making; This OS Map of Wales equips businesses, government agencies, and organizations with precise, location-specific insights, enabling them to efficiently manage assets, deliver services, address environmental risks, optimize operations, and improve customer engagement.
Accurate Asset Referencing; The Topographic Identifier (TOID) facilitates the exact geo-tagging of assets such as pipelines, powerlines, bridges, and storage facilities, enhancing monitoring, maintenance, and management operations.
Advanced Analytical Capabilities; This mapping layer includes sophisticated features like the Building Height Attribute, which is invaluable for urban analysis, and the Sites Layer, which assists in identifying key access points to significant locations.
Core Dataset for Holistic Mapping; Every object in the Ordnance Survey MasterMap Wales is cataloged as a unique database record, supplemented with geometry, attribute information, and change history. These features are connected to other datasets through distinct identifiers, offering enhanced context for interpreting locations, addresses, routes, and imagery.
Reliable for Planning and Development Applications; As a trusted and authoritative resource, this OS Map of Wales is widely used for planning applications, providing the precise mapping data needed for compliance with regulatory standards.
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Samples
* Northern Ireland equivalent available


