17 Sandringham Gardens London Borough of Barnet N12 0NY
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 3 metres and maximum height of 3.2 metres.
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Progress
Application details
- Reference
- 19/1166/PNH
- Local authority
- Barnet
- Postcode
- N12 0NY
- Ward
- WO
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 25 Feb 2019
- Validated
- 25 Feb 2019
- Target decision
- 8 Apr 2019
- Decided
- 8 Apr 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
New owners, recently moved in. First work on a house usually follows within months of completing.
- 39 SANDRINGHAM GARDENS, LONDON, N12 0NYSemi-detached · £1,000,0002 months ago6 Aug 2026
- 39 SANDRINGHAM GARDENS, LONDON, N12 0NYSemi-detached · £617,5002 years ago22 Jul 2024
- 57 SANDRINGHAM GARDENS, LONDON, N12 0NYTerraced · £865,0002 years ago15 May 2024
- 21 SANDRINGHAM GARDENS, LONDON, N12 0NYSemi-detached · £842,5002 years ago17 Nov 2023
- 59 SANDRINGHAM GARDENS, LONDON, N12 0NYSemi-detached · £800,0003 years ago23 Jun 2023
- 55 SANDRINGHAM GARDENS, LONDON, N12 0NYFlat or maisonette · Leasehold · £511,2995 years ago30 Sept 2021
- 13 SANDRINGHAM GARDENS, LONDON, N12 0NYSemi-detached · £850,0005 years ago29 Jan 2021
- 3 SANDRINGHAM GARDENS, LONDON, N12 0NYSemi-detached · £925,0006 years ago26 Oct 2020
Homes here go for about £846,250 — the median of the last 8 market sales in N12 0NY, £511,299 to £1,000,000.
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
- 17 Sandringham Gardens London Borough of Barnet N12 0NYRefusedNext door
- 13 Sandringham Gardens London Borough of Barnet N12 0NYPermittedNext door
- 40 Churchfield Avenue London Borough of Barnet N12 0NTWithdrawn51 yd
- 40 Churchfield Avenue London Borough of Barnet N12 0NTRefused51 yd
- 44 Churchfield Avenue Barnet N12 0NTPermitted55 yd
- 1 & 3 Sandringham Gardens Barnet N12 0NYPending55 yd