Getting started
The 1:25 000 Scale Colour Raster data product mirrors the popular OS Explorer Map series, showing a detailed overview of environmental and leisure features.
Overview (PDF)
The Overview introduces the product and gives context for all users. It highlights key features, provides examples of potential uses for the product and lists details like file sizes, supply formats, etc.
Map symbols legend (PDF)
The legend for 1:25 000 Scale Colour Raster.
Map symbols legend in Welsh (PDF)
The legend for 1:25 000 Scale Colour Raster, in Welsh.
Read our documents to find out more about OS 1:25 000 Scale Colour Raster.
Technical specification (PDF)
The Technical Specification provides detailed technical information about the product. It is targeted at technical users and software developers.
Key Features | What this product offers |
---|---|
Format | GeoTIFF, TIFF 8-bit LZW compressed or TIFF PackBits compressed. |
Tile size | 10km x 10km |
Colour options | 256 colours |
Update frequency | Quarterly (March, June, September and December) - change only updates |
Supply | Download |
Resolution | 660 dpi or 254 dpi |
Coverage | Great Britain |
Links and downloads
All the information you need to get started with 1:25 000 Scale Colour Raster