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PendingP/2026/2434Submitted last weekLoft conversion

370 Chiswick High Road Hounslow W4 5TA

Non material amendment to allow the installation of a full width mansard with dormers, to define the roof terrace balustrading and to replace the windows with aluminium casement windows to planning permission P/2003/3559 approved 13/09/2004 for the partial demolition and alteration to existing buildings. Erection of two storeys over the ground floor retail unit to provide additional retail accommodation and 2 bedroom flat on first floor plus two 2 bedroom flats on second floor at rear of the site (fronting Dolman Road), erection of attached part 3 and part 4 storey building to provide 1 x two bedroom, live/work unit, 1 x one bedroom flat and 4 x two bedroom flats.

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Map of the site

Progress

Submitted
15 Sept 2026
— completed
Validated
15 Sept 2026
— completed
Consultation
15 Sept 2026 (target)
— not yet reached
Target date
13 Oct 2026 (target)
— not yet reached
Decided
—
— not yet reached

Application details

Reference
P/2026/2434
Local authority
Hounslow
Postcode
W4 5TA
Ward
Chiswick Gunnersbury
Application type
All Other
Property type
Flat

Key dates

Submitted
15 Sept 2026
Validated
15 Sept 2026
Comments close
15 Sept 2026
Target decision
13 Oct 2026

Estimated project value

£37k–£100k

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: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.

Homes here go for about £385,000 — the median of the last 3 market sales in W4 5TA, £350,000 to £950,000.

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.

Nearby applications