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Are you in a conservation area?
A conservation area brings extra control over demolition, extensions, cladding, windows and work to trees. It applies to the area, not to a specific building, so an ordinary house in one is still affected.
10,662 conservation areas on record across England and Wales, covering 86% of postcode districts.
Browse conservation areas
8,317 designated areas, 6,885 with enough recorded sales to show a price. Largest first.
Where this comes from, and what it cannot tell you
planning.data.gov.uk, published by the Ministry of Housing, Communities and Local Government under the Open Government Licence. Areas are matched by testing whether your postcode falls inside the published boundary — not by proximity to its centre — against all 1,573,900 live postcodes in England and Wales.
Some designations are too small to contain a postcode centroid at all; those are placed against the nearest postcode and marked nearby rather than presented as covering you. This is a signpost, not a legal search. Confirm with the local planning authority before doing anything that depends on it.