21 Goodwyn Avenue London Borough of Barnet NW7 3RJ
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
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Progress
Application details
- Reference
- 26/0845/192
- Local authority
- Barnet
- Postcode
- NW7 3RJ
- Ward
- MH22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 5 Mar 2026
- Validated
- 5 Mar 2026
- Target decision
- 30 Apr 2026
- Decided
- 17 Apr 2026
Estimated project value
£31k–£64k
Based on the 19.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 19m² · 1 additional bedrooms
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.
- 39 GOODWYN AVENUE, LONDON, NW7 3RJSemi-detached · Not a standard market sale · £1,100,0005 months ago1 Apr 2026
- 19A GOODWYN AVENUE, LONDON, NW7 3RJFlat or maisonette · Leasehold · £490,00010 months ago17 Oct 2025
- 21 GOODWYN AVENUE, LONDON, NW7 3RJFlat or maisonette · Leasehold · £350,0002 years ago12 Apr 2024
- 49A GOODWYN AVENUE, LONDON, NW7 3RJFlat or maisonette · Leasehold · Not a standard market sale · £320,0003 years ago25 Aug 2023
- 51 GOODWYN AVENUE, LONDON, NW7 3RJOther · Not a standard market sale · £1,000,0004 years ago11 Jul 2022
- 19A GOODWYN AVENUE, LONDON, NW7 3RJFlat or maisonette · Leasehold · £475,0006 years ago27 Nov 2019
- 33 GOODWYN AVENUE, LONDON, NW7 3RJDetached · £1,245,0007 years ago29 Apr 2019
- 39 GOODWYN AVENUE, LONDON, NW7 3RJSemi-detached · £810,0007 years ago7 Dec 2018
Homes here go for about £490,000 — the median of the last 5 market sales in NW7 3RJ, £350,000 to £1,245,000.
Contains HM Land Registry data © Crown copyright and database right 2026. 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
- 21 Goodwyn Avenue London Borough of Barnet NW7 3RJPermittedNext door
- 21 Goodwyn Avenue London Borough of Barnet NW7 3RJPermittedNext door
- 19 Goodwyn Avenue London Borough of Barnet NW7 3RJPermittedNext door
- 17 Goodwyn Avenue London Borough of Barnet NW7 3RJRefusedNext door
- 17 Goodwyn Avenue London Borough of Barnet NW7 3RJPermittedNext door
- 17 Goodwyn Avenue London Borough of Barnet NW7 3RJWithdrawnNext door