3 Derwent Avenue London Borough of Barnet NW7 3DY
Single storey rear and two storey side extension. Single storey front porch
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Progress
Application details
- Reference
- 20/3168/HSE
- Local authority
- Barnet
- Postcode
- NW7 3DY
- Ward
- HA
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 14 Jul 2020
- Validated
- 14 Jul 2020
- Target decision
- 8 Sept 2020
- Decided
- 8 Sept 2020
Estimated project value
£75k–£175k
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: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.
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
- 11 Derwent Avenue London Borough of Barnet NW7 3DYPermittedAdjoining
- 15 Downhurst Avenue London Borough of Barnet NW7 3QARefusedAdjoining
- 15 Downhurst Avenue London Borough of Barnet NW7 3QAWithdrawnAdjoining
- 15 Downhurst Avenue London Borough of Barnet NW7 3QAPermittedAdjoining
- 2 Holmwood Grove London Borough of Barnet NW7 3DTPermitted47 yd
- 15 Downhurst Avenue London Borough of Barnet NW7 3QAPermitted49 yd