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Permitted29815/APP/2023/2499Submitted 3 years agoSide extension

OLD MILL LANE COWLEY Hillingdon UB8 2JH

Erection of single storey extension to side, alterations to fenestration.

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Map of the site

Progress

Submitted
22 Aug 2023
— completed
Validated
22 Aug 2023
— completed
Consultation
15 Sept 2023
— completed
Target date
17 Oct 2023
— completed
Decided
16 Oct 2023
— completed

Application details

Reference
29815/APP/2023/2499
Local authority
Hillingdon
Postcode
UB8 2JH
Ward
COLHAM & COWLEY
Application type
Householder
Property type
House

Key dates

Submitted
22 Aug 2023
Validated
22 Aug 2023
Comments close
15 Sept 2023
Target decision
17 Oct 2023
Decided
16 Oct 2023

Estimated project value

£54k–£90k

Based on the 24.0m² 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: 23.99m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £649,975 — the median of the last 6 market sales in UB8 2JH, £325,000 to £1,250,000.

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.

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