Free tool
Planning constraints check
Conservation areas, listed buildings and other designations buyers ask about.
Sources & review
Last reviewed:
England only and coverage varies by council: an empty result does not prove there are no constraints. Results relate to the postcode's central point, not a property boundary. Your conveyancer's local authority search is the reliable check; planning applications are on your council's planning portal. Contains public sector information licensed under the Open Government Licence v3.0.
- MHCLG — Planning data platform
Open planning and housing datasets for England, including conservation areas, listed buildings, Article 4 directions and tree preservation zones.
- ONS Postcode Directory (via postcodes.io)
Open data used only to find which country and council area a postcode is in.
Review dates record our source check, not the date a rule took effect. Rules can change; check the linked guidance before acting. Legal processes differ across the UK.