Chiswick High Road Hounslow W4 4AG
Demolition of existing single storey rear infill extension and erection of replacement single storey rear infill extension to the existing basement flat.
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Progress
Application details
- Reference
- P/2026/1997
- Local authority
- Hounslow
- Postcode
- W4 4AG
- Ward
- Chiswick Gunnersbury
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 9 Sept 2026
- Validated
- 9 Sept 2026
- Comments close
- 9 Oct 2026
- Target decision
- 4 Nov 2026
Estimated project value
£41k–£75k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- FLAT 7, 377 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · £355,0007 months ago5 Feb 2026
- FLAT 5, 379 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · £450,00011 months ago17 Sept 2025
- FLAT 4, 379 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · Not a standard market sale · £350,0002 years ago8 May 2024
- 373 CHISWICK HIGH ROAD, LONDON, W4 4AGOther · Not a standard market sale · £32,1723 years ago4 Jul 2023
- FLAT 7, 379 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · £360,0004 years ago3 Dec 2021
- FLAT 2, 377 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · £559,0005 years ago30 Jun 2021
- FIRST FLOOR FLAT, 375 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · £599,9505 years ago29 Jun 2021
- FLAT 5, 379 CHISWICK HIGH ROAD, LONDON, W4 4AGFlat or maisonette · Leasehold · £550,0005 years ago16 Nov 2020
Homes here go for about £500,000 — the median of the last 6 market sales in W4 4AG, £355,000 to £599,950.
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.
Recorded changes
- 11 Sept 2026: The proposal was amended
Nearby applications
- 375 Chiswick High Road HounslowPermittedNext door
- Chiswick High Road Hounslow W4 4AGPermittedNext door
- 373 Chiswick High Road HounslowPermittedNext door
- 377 Chiswick High Road Hounslow W4 4AGPermittedNext door
- Chiswick High Road Hounslow W4 4AGPendingNext door
- 377 Chiswick High Road Hounslow W4 4AGPendingNext door