10 Gainsborough Gardens London Borough of Barnet NW11 9BL
Single storey rear extension with a depth of 4.5m, a maximum height of 3.59m and an eaves height of 3m, following the demolition of the existing rear extension.
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Progress
Application details
- Reference
- 25/1397/PNH
- Local authority
- Barnet
- Postcode
- NW11 9BL
- Ward
- CH22
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 31 Mar 2025
- Validated
- 31 Mar 2025
- Target decision
- 12 May 2025
- Decided
- 25 Apr 2025
Estimated project value
£57k–£95k
Based on the 23.4m² 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: 23.35m²
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 18 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · £1,300,0003 years ago24 Aug 2023
- 52 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · £950,0003 years ago6 Oct 2022
- 18 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · £957,0004 years ago18 Aug 2022
- 4 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · Not a standard market sale · £800,0004 years ago16 Dec 2021
- 2 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · Not a standard market sale · £945,0005 years ago16 Feb 2021
- 22 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · £915,00010 years ago5 Feb 2016
- 52 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · Not a standard market sale · £760,00010 years ago18 Nov 2015
- 22 GAINSBOROUGH GARDENS, LONDON, NW11 9BLSemi-detached · £720,00011 years ago31 Mar 2015
Homes here go for about £950,000 — the median of the last 5 market sales in NW11 9BL, £720,000 to £1,300,000.
Contains HM Land Registry data © Crown copyright and database right 2023. 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
- 10 Gainsborough Gardens London Borough of Barnet NW11 9BLPermittedNext door
- 10 Gainsborough Gardens London Borough of Barnet NW11 9BLWithdrawnNext door
- 10 Gainsborough Gardens London Borough of Barnet NW11 9BLPermittedNext door
- 10 Gainsborough Gardens London Borough of Barnet NW11 9BLPermittedNext door
- 14 Gainsborough Gardens London Borough of Barnet NW11 9BLRefusedNext door
- 18 Gainsborough Gardens London Borough of Barnet NW11 9BLPermittedAdjoining