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PermittedPALL/2023/3769Submitted 2 years agoRear extension

598-608 Chiswick High Road Hounslow W4 5RT

Prior Approval for a single storey upward extension of the mixed terraced building at 598-608 Chiswick, to create two self-contained residential units.

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Progress

Submitted
1 Dec 2023
— completed
Validated
1 Dec 2023
— completed
Consultation
1 Dec 2023
— completed
Target date
24 Jan 2024
— completed
Decided
24 Jan 2024
— completed

Application details

Reference
PALL/2023/3769
Local authority
Hounslow
Postcode
W4 5RT
Ward
Chiswick Gunnersbury
Application type
Prior Approval
Property type
House

Key dates

Submitted
1 Dec 2023
Validated
1 Dec 2023
Comments close
1 Dec 2023
Target decision
24 Jan 2024
Decided
24 Jan 2024

Estimated project value

£1665k–£2780k

Based on the 686m² 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: 686m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £525,000 — the median of the last 8 market sales in W4 (the wider postcode district), £425,000 to £1,415,000.

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.

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