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PermittedP/2014/0863Submitted 12 years agoLoft conversion

39 Thornton Avenue Hounslow W4 1QF

Erection of a new rear roof extension situated in line with the outer edge of the existing (and replaced) dormer, widened towards the centre of the roof with the installation of 1 roof window to the front roofslope of the house

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Progress

Submitted
10 Mar 2014
— completed
Validated
10 Mar 2014
— completed
Consultation
— completed
Target date
5 May 2014
— completed
Decided
8 Apr 2014
— completed

Application details

Reference
P/2014/0863
Local authority
Hounslow
Postcode
W4 1QF
Ward
Chiswick Homefields (Pre May 2022)
Application type
Householder
Property type
House

Key dates

Submitted
10 Mar 2014
Validated
10 Mar 2014
Target decision
5 May 2014
Decided
8 Apr 2014

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

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £1,850,000 — the median of the last 8 market sales in W4 1QF, £660,000 to £2,655,000.

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.

Nearby applications