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PermittedP/2024/1084Submitted 2 years agoLoft conversion

17 Whitehall Gardens Hounslow W4 3LT

Certificate of Lawfulness for the proposed erection of rear roof extension and outrigger roof extension to the house.

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Progress

Submitted
9 Apr 2024
— completed
Validated
9 Apr 2024
— completed
Consultation
— completed
Target date
4 Jun 2024
— completed
Decided
18 Apr 2024
— completed

Application details

Reference
P/2024/1084
Local authority
Hounslow
Postcode
W4 3LT
Ward
Chiswick Riverside
Application type
All Other
Property type
House

Key dates

Submitted
9 Apr 2024
Validated
9 Apr 2024
Target decision
4 Jun 2024
Decided
18 Apr 2024

Estimated project value

£51k–£105k

Based on the 31.3m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 31.3 · 2 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £1,250,000 — the median of the last 7 market sales in W4 3LT, £585,000 to £1,450,000.

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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