OS Open Zoomstack provides a single, customisable basemap of Great Britain, at whichever scale you want to use.
Getting Started guide (PDF)
The instructions in our Getting Started guide shows you how to produce a feature-rich map that allows users to zoom in and out while being served high quality, fast-rendering results.
Release note (PDF)
We have used feedback from OS Open Zoomstack's trial to make improvements to the product specification, alongside some minor fixes. The changes are listed in this release note.
Technical specification (PDF)
This document supports the Open Zoomstack Getting Started Guide and provides you with detailed technical information relating to the product.
Vector Tile API (PDF)
The OS Open Zoomstack Vector Tile API is the easiest way to integrate Ordnance Survey mapping into your web or mobile application.
|Key Features||What this product offers|
|Format||GeoPackage, Vector Tiles (MBTiles)|
|Data structure||Vector (points, lines, polygons, text)|
|Scale||National level to street view (GB overview to 1:10,000 scale)|
|Update frequency||Six monthly|
|Supply||GB download only|