Areas and zones data

Explore mapping data designed to provide information about areas used for administration and analysis

© Crown copyright and database rights. Ordnance Survey 2026

What is areas and zones data?

This collection includes administrative, electoral, and analytical boundaries, built-up areas, and postcode data. It enables spatial analysis, policy development and demographic profiling across Great Britain.

Features of areas and zones data

Definitive boundary coverage

Access seamless mapping of administrative and electoral areas, enriched with Government Statistical Service (GSS) codes for statistical linkage and reporting.

Urban extents​

A consistent identification of built-up areas provides insights into developed land, supporting urban planning and policy analysis.

Postcode mapping

Visualise postcode points and areas to support geotargeting, asset management, and service delivery.

Boundary insights

Explore full boundary hierarchies from parish to country level, enriched boundary attributes such as borough status, and support advanced spatial analysis.

Sector-ready intelligence

From election planning and logistics, to policy analysis and public service delivery, this collection supports a wide range of sectors with authoritative area-based data.

A robust framework

Public bodies can monitor outcomes by area, with a robust, analytical framework.

Products offering these key features

This features table highlights which features are available in areas and zones products.

FeatureProducts
Administrative areas, e.g. county councils

OS Boundaries,
Boundary-Line

Electoral areas, e.g. Westminster constituencies

OS Boundaries
Boundary-Line

Built-up extents

OS Open Built Up Areas

Postcode points

Code-Point
Code-Point Open,
Code-Point with Polygons

Postcode areas

Code-Point with Polygons

Postcode statistics

Code-Point
Code-Point with Polygons

Unique identifiers

OS Boundaries,
Boundary-Line,
Code-Point,
Code-Point Open,
Code-Point with Polygons

The areas and zones products

  • OS Boundaries

    Access the administrative and electoral boundaries for England, Wales, and Scotland.

  • Boundary-Line

    Ordnance Survey's Boundary-Line is an open dataset of every administrative boundary in Great Britain.

  • OS Open Built Up Areas

    The statistical geographies used by Government departments to analyse census data, deliver on policy and improve services.

  • Code-Point

    Code-Point® is a postcode locator with postcode units in Great Britain and Northern Ireland.

  • Code-Point Open

    Ordnance Survey's Code-Point Open is an open dataset of all the current postcode units in Great Britain.

  • Code-Point with Polygons

    Code-Point with Polygons shows the notional shape of every postcode unit in Great Britain including buildings with multiple postcodes.

  • OS Vector Tile API

    A vector tile service providing detailed Ordnance Survey data as a customisable basemap.

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