3 Sylvan Avenue London Borough of Barnet NW7 2JH
Single storey rear extension (increased height) and 2nos. rear Juliette balconies to replace first floor rear windows (Amended Description)
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Progress
Application details
- Reference
- 22/1848/HSE
- Local authority
- Barnet
- Postcode
- NW7 2JH
- Ward
- MH22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 7 Apr 2022
- Validated
- 7 Apr 2022
- Target decision
- 2 Jun 2022
- Decided
- 29 Nov 2022
Estimated project value
£69k–£115k
Based on the 28.2m² 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: 28.22m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 27 SYLVAN AVENUE, LONDON, NW7 2JHFlat or maisonette · Leasehold · £498,0006 months ago27 Feb 2026
- 9 SYLVAN AVENUE, LONDON, NW7 2JHSemi-detached · £950,00020 months ago10 Dec 2024
- 5 SYLVAN AVENUE, LONDON, NW7 2JHDetached · £985,0002 years ago8 May 2024
- 3 SYLVAN AVENUE, LONDON, NW7 2JHDetached · £1,275,0002 years ago9 Apr 2024
- 17A SYLVAN AVENUE, LONDON, NW7 2JHFlat or maisonette · Leasehold · Not a standard market sale · £288,4303 years ago2 Feb 2023
- 15A SYLVAN AVENUE, LONDON, NW7 2JHFlat or maisonette · Leasehold · £456,5004 years ago13 May 2022
- 3 SYLVAN AVENUE, LONDON, NW7 2JHDetached · Not a standard market sale · £932,5004 years ago10 May 2022
- 15 SYLVAN AVENUE, LONDON, NW7 2JHOther · Leasehold · Not a standard market sale · £545,0005 years ago4 Dec 2020
Homes here go for about £950,000 — the median of the last 5 market sales in NW7 2JH, £456,500 to £1,275,000.
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
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