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PermittedP/4242/21Submitted 4 years agoRear extension

26 HAWTHORNE AVENUE Harrow

Conversion of dwelling into two flats (2 X 2 beds); first floor rear extension; external alterations; separate amenity space; parking, bin and cycle stores

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Map of the site

Progress

Submitted
4 Nov 2021
— completed
Validated
4 Nov 2021
— completed
Consultation
25 Nov 2021
— completed
Target date
22 Dec 2021
— completed
Decided
7 Jan 2022
— completed

Application details

Reference
P/4242/21
Local authority
Harrow
Postcode
HA3 8AG
Ward
Greenhill
Application type
All Other
Property type
Flat

Key dates

Submitted
4 Nov 2021
Validated
4 Nov 2021
Comments close
25 Nov 2021
Target decision
22 Dec 2021
Decided
7 Jan 2022

Estimated project value

£5k–£9k

Based on the 3.0m² of floor area stated in the application, at UK average rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 3m²

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 £680,000 — the median of the last 5 market sales in HA3 8AG, £450,000 to £853,500.

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.

Recorded changes

  • 1 Oct 2026: Now also includes a rear extension

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