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Permitted79563/APP/2025/1890Submitted over a year agoRear extension

Grosvenor Avenue Hillingdon UB4 8NP

Proposed 5m Single storey rear extension

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Map of the site

Progress

Submitted
24 Jul 2025
— completed
Validated
24 Jul 2025
— completed
Consultation
26 Aug 2025
— completed
Target date
18 Sept 2025
— completed
Decided
11 Sept 2025
— completed

Application details

Reference
79563/APP/2025/1890
Local authority
Hillingdon
Postcode
UB4 8NP
Ward
CHARVILLE 2022
Application type
Householder
Property type
House

Key dates

Submitted
24 Jul 2025
Validated
24 Jul 2025
Comments close
26 Aug 2025
Target decision
18 Sept 2025
Decided
11 Sept 2025

Estimated project value

£52k–£87k

Based on the 23.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 23m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 7 recent sales are listed below.

Homes here go for about £335,500 — the median of the last 8 market sales in UB4 8NP, £320,000 to £600,000.

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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