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PermittedP/2025/3423Submitted 9 months agoSide extension

14 Grove Park Gardens Hounslow W4 3RZ

Erection of a part single storey side extension, new front boundary with gates and fence, and installation of air conditioning and air source heat pump units with enclosure at rear of garden

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Map of the site

Progress

Submitted
9 Dec 2025
— completed
Validated
9 Dec 2025
— completed
Consultation
9 Jan 2026
— completed
Target date
9 Feb 2026
— completed
Decided
9 Feb 2026
— completed

Application details

Reference
P/2025/3423
Local authority
Hounslow
Postcode
W4 3RZ
Ward
Chiswick Riverside
Application type
Householder
Property type
House

Key dates

Submitted
9 Dec 2025
Validated
9 Dec 2025
Comments close
9 Jan 2026
Target decision
9 Feb 2026
Decided
9 Feb 2026

Estimated project value

£29k–£49k

Based on the 12.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 12m²

Recently sold nearby

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

Homes here go for about £1,700,000 — the median of the last 6 market sales in W4 3RZ, £415,000 to £2,685,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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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