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PermittedP/2025/3714Submitted 9 months agoTwo-storey extension

Heathfield Gardens Hounslow W4 4JU

The proposals involve the demolition of the existing garage, gym, pergola, and double-storey rear extension, followed by the construction of new single- and double-storey rear extensions and a double-storey side extension. Existing single-glazed windows will be replaced with like-for-like traditional-style double-glazed units. The air source heat pump (ASHP) will be relocated to the flat roof of the new side extension, and rainwater and soil vent pipes will be repositioned to accommodate the proposed development.

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Map of the site

Progress

Submitted
15 Dec 2025
— completed
Validated
15 Dec 2025
— completed
Consultation
30 Jan 2026
— completed
Target date
17 Apr 2026
— completed
Decided
17 Apr 2026
— completed

Application details

Reference
P/2025/3714
Local authority
Hounslow
Postcode
W4 4JU
Application type
Householder
Property type
Flat

Key dates

Submitted
15 Dec 2025
Validated
15 Dec 2025
Comments close
30 Jan 2026
Target decision
17 Apr 2026
Decided
17 Apr 2026

Estimated project value

£330k–£465k

Based on the 123m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².

Floor area gained: 123m² · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £1,862,500 — the median of the last 8 market sales in W4 4JU, £455,000 to £4,775,000.

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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