17 Summers Lane London Borough of Barnet N12 0PE
2no. Single storey rear extensions with a proposed depth of 5.00 metres, maximum height of 3.64 metres and eaves height of 2.76 metres. Following demolition of the existing garage and rear outrigger.
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Progress
Application details
- Reference
- 26/3417/PNH
- Local authority
- Barnet
- Postcode
- N12 0PE
- Ward
- WO22
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 17 Sept 2026
- Validated
- 17 Sept 2026
- Target decision
- 29 Oct 2026
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.
- 17 SUMMERS LANE, LONDON, N12 0PESemi-detached · £770,0002 months ago3 Jul 2026
- 31 SUMMERS LANE, LONDON, N12 0PESemi-detached · £895,0005 years ago14 Apr 2021
- 41 SUMMERS LANE, LONDON, N12 0PESemi-detached · £840,0007 years ago3 Jun 2019
- 43 SUMMERS LANE, LONDON, N12 0PESemi-detached · £725,0008 years ago20 Jul 2018
- 25 SUMMERS LANE, LONDON, N12 0PESemi-detached · £750,0009 years ago12 Apr 2017
- 47 SUMMERS LANE, LONDON, N12 0PESemi-detached · £600,00010 years ago24 Mar 2016
- 1 SUMMERS LANE, LONDON, N12 0PESemi-detached · £390,00019 years ago4 Apr 2007
- 21 SUMMERS LANE, LONDON, N12 0PESemi-detached · £360,00019 years ago27 Mar 2007
Homes here go for about £737,500 — the median of the last 8 market sales in N12 0PE, £360,000 to £895,000.
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 Summers Lane London Borough of Barnet N12 0PERefusedNext door
- 9 Summers Lane London Borough of Barnet N12 0PEPermittedAdjoining
- 9 Summers Lane London Borough of Barnet N12 0PERefusedAdjoining
- 27 Summers Lane Barnet N12 0PEPermitted52 yd
- 8 Kenver Avenue London Borough of Barnet N12 0PGPermitted75 yd
- 1 Summers Lane Barnet N12 0PEPermitted78 yd