Chessington Avenue London Borough of Barnet N3 3DP
Lower ground floor rear extension to create a terrace to link main house accommodation to garden with rear external access steps and associated rear lightwells. Roof extension involving hip to gable with new mansard roof, with 4no. front facing, 3no rear facing rooflights
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Progress
Application details
- Reference
- 26/2872/HSE
- Local authority
- Barnet
- Postcode
- N3 3DP
- Ward
- FC22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 4 Aug 2026
- Validated
- 4 Aug 2026
- Target decision
- 29 Sept 2026
Estimated project value
£230k–£480k
Based on the 142m² 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: 142m² · 3 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 28 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £2,410,00013 months ago4 Aug 2025
- 6 CHESSINGTON AVENUE, LONDON, N3 3DPSemi-detached · £2,200,0004 years ago29 Apr 2022
- C7 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £1,380,0005 years ago19 Oct 2020
- 26 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £1,575,00010 years ago1 Feb 2016
- 34 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £1,850,00012 years ago18 Jun 2014
- 30 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £1,950,00014 years ago25 Jan 2012
- 42 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £2,650,00015 years ago5 Apr 2011
- 38 CHESSINGTON AVENUE, LONDON, N3 3DPDetached · £1,850,00015 years ago5 Apr 2011
Homes here go for about £1,900,000 — the median of the last 8 market sales in N3 3DP, £1,380,000 to £2,650,000.
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.
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