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RefusedP/2024/4284Submitted over a year agoFlat conversion

4 Roseville Avenue Hounslow TW3 3TD

Certificate of lawfulness for an existing use of the ground floor as a self-contained flat (Flat 1).

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Progress

Submitted
13 Jan 2025
— completed
Validated
13 Jan 2025
— completed
Consultation
15 Jan 2025
— completed
Target date
10 Mar 2025
— completed
Decided
5 Mar 2025
— completed

Application details

Reference
P/2024/4284
Local authority
Hounslow
Postcode
TW3 3TD
Ward
Hounslow Heath
Application type
All Other
Property type
Flat

Key dates

Submitted
13 Jan 2025
Validated
13 Jan 2025
Comments close
15 Jan 2025
Target decision
10 Mar 2025
Decided
5 Mar 2025

Estimated project value

£4685k–£8745k

Based on the 2,499m² of floor area stated in the application, at outer London rates (2026). Source: trade estimate, conversion £1,500-£2,800/m².

Floor area gained: 2,499

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £193,000 — the median of the last 8 market sales in TW3 3TD, £54,000 to £585,000.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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