21 Sanderstead Avenue London Borough of Barnet NW2 1SE
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 3 metres and maximum height of 3 metres.
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Progress
Application details
- Reference
- 19/0899/PNH
- Local authority
- Barnet
- Postcode
- NW2 1SE
- Ward
- CH
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 13 Feb 2019
- Validated
- 13 Feb 2019
- Target decision
- 27 Mar 2019
- Decided
- 20 Mar 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.
- 23 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · Not a standard market sale · £750,00010 months ago31 Oct 2025
- 3 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £1,065,0003 years ago24 Mar 2023
- 9 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £900,0005 years ago29 Jan 2021
- 21 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £950,0007 years ago26 Nov 2018
- 15 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £655,00013 years ago5 Jul 2013
- 17 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £450,00018 years ago12 May 2008
- 25 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £415,00022 years ago20 Nov 2003
- 27 SANDERSTEAD AVENUE, LONDON, NW2 1SESemi-detached · £475,00023 years ago29 Jul 2003
Homes here go for about £655,000 — the median of the last 7 market sales in NW2 1SE, £415,000 to £1,065,000.
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
- 21 Sanderstead Avenue London Borough of Barnet NW2 1SEPermittedNext door
- 21 Sanderstead Avenue London Borough of Barnet NW2 1SEPermittedNext door
- 23 Sanderstead Avenue London Borough of Barnet NW2 1SERefusedNext door
- 23 Sanderstead Avenue London Borough of Barnet NW2 1SEPermittedNext door
- 23 Sanderstead Avenue London Borough of Barnet NW2 1SEPermittedNext door
- 23 Sanderstead Avenue London Borough of Barnet NW2 1SERefusedNext door