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Permitted75428/APP/2023/443Submitted 3 years agoTwo-storey extension

HILLINGDON Hillingdon UB8 3DH

Conversion of Class C3 Dwellinghouse into 7B7P Sui Generis HMO with two storey side extension and part double storey rear extension

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Map of the site

Progress

Submitted
16 Feb 2023
— completed
Validated
16 Feb 2023
— completed
Consultation
13 Mar 2023
— completed
Target date
19 May 2023
— completed
Decided
19 May 2023
— completed

Application details

Reference
75428/APP/2023/443
Local authority
Hillingdon
Postcode
UB8 3DH
Ward
COLHAM & COWLEY
Application type
All Other
Property type
House

Key dates

Submitted
16 Feb 2023
Validated
16 Feb 2023
Comments close
13 Mar 2023
Target decision
19 May 2023
Decided
19 May 2023

Estimated project value

£325k–£455k

Based on the 131m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².

Floor area gained: 130.5m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £477,500 — the median of the last 5 market sales in UB8 3DH, £437,000 to £555,000.

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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