25 Derwent Avenue London Borough of Barnet NW7 3DY
Alterations to existing single storey rear extension including raising of ridge heights. Alterations to doors and windows including replacement of doors with windows
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Progress
Application details
- Reference
- 18/7516/HSE
- Local authority
- Barnet
- Postcode
- NW7 3DY
- Ward
- HA
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 2 Jan 2019
- Validated
- 2 Jan 2019
- Target decision
- 27 Feb 2019
- Decided
- 26 Feb 2019
Estimated project value
£41k–£75k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 21 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £1,000,00011 months ago12 Sept 2025
- 31 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £1,150,00021 months ago15 Nov 2024
- 1 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £965,0005 years ago17 Mar 2021
- 3 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £640,0006 years ago14 Apr 2020
- 31 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £780,0009 years ago3 Feb 2017
- 11 DERWENT AVENUE, LONDON, NW7 3DYTerraced · £655,00011 years ago12 Jun 2015
- 7 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £673,00011 years ago1 May 2015
- 21 DERWENT AVENUE, LONDON, NW7 3DYSemi-detached · £575,00012 years ago11 Aug 2014
Homes here go for about £726,500 — the median of the last 8 market sales in NW7 3DY, £575,000 to £1,150,000.
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
- 19 Derwent Avenue London Borough of Barnet NW7 3DYPermittedAdjoining
- 22 Hale Drive London Borough of Barnet NW7 3DUPermitted46 yd
- 32 Derwent Avenue London Borough of Barnet NW7 3DZPermitted46 yd
- 15 Derwent Avenue London Borough of Barnet NW7 3DYPermitted51 yd
- 30 Derwent Avenue London Borough of Barnet NW7 3DZPermitted52 yd
- 18 Hale Drive London Borough of Barnet NW7 3DUPermitted54 yd