14 Derwent Avenue London Borough of Barnet NW7 3DZ
Conversion of existing garage into habitable room, single storey side/rear extension with lantern rooflight, front porch
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 21/0494/HSE
- Local authority
- Barnet
- Postcode
- NW7 3DZ
- Ward
- HA
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 1 Feb 2021
- Validated
- 1 Feb 2021
- Target decision
- 29 Mar 2021
- Decided
- 31 Mar 2021
Estimated project value
£800k–£1335k
Based on the 330m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 330m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 2 DERWENT AVENUE, LONDON, NW7 3DZSemi-detached · £980,0008 months ago19 Dec 2025
- 30 DERWENT AVENUE, LONDON, NW7 3DZSemi-detached · £938,8502 years ago3 Nov 2023
- 2 DERWENT AVENUE, LONDON, NW7 3DZSemi-detached · £800,0009 years ago2 May 2017
- 14 DERWENT AVENUE, LONDON, NW7 3DZSemi-detached · £670,00010 years ago15 Jul 2016
- 20 DERWENT AVENUE, LONDON, NW7 3DZDetached · £455,00015 years ago2 Sept 2011
- 32 DERWENT AVENUE, LONDON, NW7 3DZSemi-detached · £470,00017 years ago20 Aug 2009
- 20 DERWENT AVENUE, LONDON, NW7 3DZDetached · £382,00017 years ago9 Jun 2009
- 12 DERWENT AVENUE, LONDON, NW7 3DZTerraced · £342,00017 years ago13 Mar 2009
Homes here go for about £570,000 — the median of the last 8 market sales in NW7 3DZ, £342,000 to £980,000.
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.
Nearby applications
- 14 Derwent Avenue London Borough of Barnet NW7 3DZPermittedNext door
- 12 Derwent Avenue London Borough of Barnet NW7 3DZPermittedNext door
- 15 Derwent Avenue London Borough of Barnet NW7 3DYPermittedAdjoining
- 11 Derwent Avenue London Borough of Barnet NW7 3DYPermittedAdjoining
- 19 Derwent Avenue London Borough of Barnet NW7 3DYPermitted50 yd
- 2 Derwent Avenue London Borough of Barnet NW7 3DZRefused60 yd