Planning Constraints Checker

Screen an England postcode or UPRN against live official planning datasets. Use matches to identify what to investigate before relying on permitted development or preparing an application.

Check official planning datasets

England postcode or UPRN · live Planning Data API query

A postcode is an area, not a site boundary. Use a UPRN for a registered property where available, then confirm against the council's map.

How to use the result

1. Screen

Run the postcode or UPRN check and note each official dataset match.

2. Confirm

Locate the exact property or site on the council map and open the underlying record.

3. Design around it

Use the confirmed constraints when choosing the planning route, scope and supporting reports.