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Permitted15830/APP/2026/543Submitted 7 months agoRear extension

Chelston Road Hillingdon HA4 9SA

4m rear extension to a terrace hosue

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Map of the site

Progress

Submitted
3 Mar 2026
— completed
Validated
3 Mar 2026
— completed
Consultation
1 Apr 2026
— completed
Target date
13 Apr 2026
— completed
Decided
7 Apr 2026
— completed

Application details

Reference
15830/APP/2026/543
Local authority
Hillingdon
Postcode
HA4 9SA
Ward
RUISLIP MANOR 2022
Application type
Prior Approval
Property type
House

Key dates

Submitted
3 Mar 2026
Validated
3 Mar 2026
Comments close
1 Apr 2026
Target decision
13 Apr 2026
Decided
7 Apr 2026

Estimated project value

£45k–£75k

Based on the 20.0m² 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: 20m²

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 £545,000 — the median of the last 8 market sales in HA4 9SA, £467,500 to £786,650.

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