12 Sanderstead Avenue London Borough of Barnet NW2 1SG
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 3 metres and maximum height of 4 metres.
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Progress
Application details
- Reference
- 19/4315/PNH
- Local authority
- Barnet
- Postcode
- NW2 1SG
- Ward
- CH
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 2 Aug 2019
- Validated
- 2 Aug 2019
- Target decision
- 13 Sept 2019
- Decided
- 6 Sept 2019
Estimated project value
£41k–£75k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 4 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £985,00015 months ago14 May 2025
- 22 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £1,010,0004 years ago29 Sept 2021
- 18 SANDERSTEAD AVENUE, LONDON, NW2 1SGDetached · £965,0005 years ago14 Apr 2021
- 10 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £1,015,0008 years ago24 Oct 2017
- 8 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £670,00012 years ago10 Jan 2014
- 8 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £400,00022 years ago12 Feb 2004
- 6 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £295,00026 years ago15 Sept 1999
- 12 SANDERSTEAD AVENUE, LONDON, NW2 1SGSemi-detached · £259,95028 years ago10 Jul 1998
Homes here go for about £817,500 — the median of the last 8 market sales in NW2 1SG, £259,950 to £1,015,000.
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
- 12 Sanderstead Avenue London Borough of Barnet NW2 1SGWithdrawnNext door
- 10 Sanderstead Avenue London Borough of Barnet NW2 1SGPermittedNext door
- 8 Sanderstead Avenue Barnet NW2 1SGPermittedAdjoining
- 18 Sanderstead Avenue London Borough of Barnet NW2 1SGPermittedAdjoining
- 9 Sanderstead Avenue London Borough of Barnet NW2 1SEPermitted44 yd
- 4 Sanderstead Avenue London Borough of Barnet NW2 1SGPermitted51 yd