12 Willenhall Avenue London Borough of Barnet EN5 1JN
Conversion of garage into habitable room with single storey front extension with bay window and single storey rear extensions. First floor front, side and rear extensions. Extension to roof including raising of ridge line to existing front gable end with insertion of window to front elevation and 1no roof light, new pitched roof including 2no rear dormer windows and 1no roof lights to both side elevations. Changes to windows and door and associated works
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Progress
Application details
- Reference
- 16/4894/HSE
- Local authority
- Barnet
- Postcode
- EN5 1JN
- Ward
- OA
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 25 Jul 2016
- Validated
- 25 Jul 2016
- Target decision
- 19 Sept 2016
- Decided
- 9 Sept 2016
Estimated project value
£35k–£94k
Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 4 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £1,388,50021 months ago6 Jan 2025
- 3 WILLENHALL AVENUE, BARNET, EN5 1JNSemi-detached · £850,0004 years ago27 May 2022
- 6 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £1,250,0004 years ago27 Jan 2022
- 12 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £986,00010 years ago29 Oct 2015
- 11 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £875,00011 years ago31 Jul 2015
- 1 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £925,00012 years ago11 Jul 2014
- 2 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £652,50013 years ago11 Oct 2013
- 4 WILLENHALL AVENUE, BARNET, EN5 1JNDetached · £699,95013 years ago31 Jan 2013
Homes here go for about £900,000 — the median of the last 8 market sales in EN5 1JN, £652,500 to £1,388,500.
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.
Nearby applications
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