OS PSGA WMS/WFS Feeds

OS PSGA WMS/WFS Feeds

If your subscription includes it, OS Mapping is available via our own web services. The URL's are:


If your subscription includes access to these services, you will be provided with both an API key and a username/password.
Most clients allow you to enter the username and password, however if your client does not support Basic Authentication, then you may need to use the following URL format:

You can access a wide variety of layers via these services including:
  1. OS MasterMap and individual OS MasterMap layers such as TopographicArea
  2. OS VectorMap Local
  3. OS VectorMap District
  4. OS Open Data
  5. OS Premium Stack (composite stack of OS Premium Layers)
These services offer benefits such as unlimited usage, caching (for Tiled-WMS) and WFS requests returning 10,000 features per request.