TW3 · Hounslow
TW3 is central Hounslow — the Cavalry Barracks conservation area and the suburban stock around the town centre. Much of it keeps permitted development rights for rear and loft projects; the borough's HMO Article 4 means a house-to-HMO conversion needs planning permission.
Location data: postcodes.io · Constraints: planning.data.gov.uk (borough-level) · Open Government Licence
Constraint context · Hounslow
Real · planning.data.gov.ukHounslow has 34 designated conservation areas and 0 Article 4 areas. A district is too coarse to say which apply to your house — postcode districts span many streets and TW3 crosses 2 boroughs. Enter a full postcode below for the point-level check, or read the full borough picture on the Hounslow planning guide.
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