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Code-Point with Polygons

Code-Point® with Polygons shows the notional shape of every postcode unit in Great Britain, and includes major buildings with multiple postcodes.


Over 1.6 million postcodes all mapped out

Code-Point with Polygons is derived from AddressBase , the Ordnance Survey dataset that provides National Grid reference (NGref) coordinates for each postal delivery address in Great Britain.

Visualise your postcode extents

Codepoint with Polygons provides notional extents for every postcode unit in GB for easy visualisation and analysis at a national scale.

Vertical Streets

Vertical street polygons allow easy identification of multiple postcodes within the same building.

Precise data

Postcode polygons created using the addresses we can locate the most precisely creating high confidence in the accuracy of the polygon data.

Manage your risks better

Manage your risks better

Display postcode boundaries on a map, then add contours and your own claims data. This is a great way to identify low-lying postcodes, so you can quote for insurance at a price that reflects higher flood risks.

How to get this product

Case studies

OS data helps keep hospital open in Somerset

OS data helps keep hospital open in Somerset

Ordnance Survey data, including Code-Point with Polygons provided critical evidence leading to Somerset Clinical Commissioning Group keeping stroke services at two hospitals.

Read the full case study

Technical specification

Key FeaturesWhat this product offers

Vector Tiles, GeoPackage, ESRI Shapefile, MapInfo MID/MIF or MapInfo TAB

Data structure



Includes notional polygons; vertical streets data; postcode units; eastings and northings; NHS® health authority codes, administrative codes; PO box indicator; and types of delivery points


Up to 1:1250

Update frequency

Quarterly - April, July, October and January




Great Britain

Support documentation

Overview (PDF)

Technical specification (PDF)