22 Sefton Avenue London Borough of Barnet NW7 3QD
Roof extension involving hip to gable with rear dormer windows and 2no. front facing rooflights. Changes to fenestration to side elevation
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Progress
Application details
- Reference
- 25/1746/192
- Local authority
- Barnet
- Postcode
- NW7 3QD
- Ward
- EW22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 24 Apr 2025
- Validated
- 24 Apr 2025
- Target decision
- 19 Jun 2025
- Decided
- 14 May 2025
Estimated project value
£42k–£88k
Based on the 26.0m² 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: 26m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 18 SEFTON AVENUE, LONDON, NW7 3QDSemi-detached · £715,00013 months ago15 Jul 2025
- 32 SEFTON AVENUE, LONDON, NW7 3QDSemi-detached · £470,0002 years ago9 Aug 2024
- 34 SEFTON AVENUE, LONDON, NW7 3QDSemi-detached · £885,0002 years ago3 Jun 2024
- 44 SEFTON AVENUE, LONDON, NW7 3QDSemi-detached · £975,0002 years ago25 Jan 2024
- 48 SEFTON AVENUE, LONDON, NW7 3QDSemi-detached · £760,0005 years ago14 Jun 2021
- 24 SEFTON AVENUE, LONDON, NW7 3QDTerraced · £755,0005 years ago17 Dec 2020
- 22 SEFTON AVENUE, LONDON, NW7 3QDSemi-detached · £726,0005 years ago25 Sept 2020
- 32A SEFTON AVENUE, LONDON, NW7 3QDFlat or maisonette · Leasehold · £285,0006 years ago18 Dec 2019
Homes here go for about £740,500 — the median of the last 8 market sales in NW7 3QD, £285,000 to £975,000.
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
- 22 Sefton Avenue London Borough of Barnet NW7 3QDRefusedNext door
- 24 Sefton Avenue London Borough of Barnet NW7 3QDPermittedNext door
- 24 Sefton Avenue London Borough of Barnet NW7 3QDPermittedNext door
- Sefton Avenue Barnet NW7 3QDPermittedNext door
- Sefton Avenue Barnet NW7 3QDPermittedNext door
- 30 Sefton Avenue London Borough of Barnet NW7 3QDPermittedAdjoining