12 Marsh Lane London Borough of Barnet NW7 4QP
Single storey side and rear extension. First floor rear extension with pitched and hipped roof with 1no. rear facing window and 1no. rooflight
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Progress
Application details
- Reference
- 26/0372/HSE
- Local authority
- Barnet
- Postcode
- NW7 4QP
- Ward
- MH22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 3 Feb 2026
- Validated
- 3 Feb 2026
- Target decision
- 31 Mar 2026
- Decided
- 31 Mar 2026
Estimated project value
£29k–£49k
Based on the 12.0m² 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: 12m²
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.
- 26 MARSH LANE, LONDON, NW7 4QPTerraced · £950,0002 years ago23 Aug 2024
- 34 MARSH LANE, LONDON, NW7 4QPDetached · £1,125,0005 years ago28 Jun 2021
- 28 MARSH LANE, LONDON, NW7 4QPSemi-detached · £930,0006 years ago24 Jun 2020
- 20 MARSH LANE, LONDON, NW7 4QPDetached · £1,185,0007 years ago30 Apr 2019
- 12 MARSH LANE, LONDON, NW7 4QPTerraced · £750,00010 years ago8 Feb 2016
- 16 MARSH LANE, LONDON, NW7 4QPSemi-detached · £800,00013 years ago22 Aug 2013
- 36 MARSH LANE, LONDON, NW7 4QPDetached · £908,00013 years ago21 Jun 2013
- 20 MARSH LANE, LONDON, NW7 4QPDetached · £755,00013 years ago22 Mar 2013
Homes here go for about £919,000 — the median of the last 8 market sales in NW7 4QP, £750,000 to £1,185,000.
Contains HM Land Registry data © Crown copyright and database right 2024. 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 Marsh Lane London Borough of Barnet NW7 4QPPermittedNext door
- 12 Marsh Lane London Borough of Barnet NW7 4QPPermittedNext door
- 12 Marsh Lane London Borough of Barnet NW7 4QPRefusedNext door
- 4 Marsh Lane London Borough of Barnet NW7 4QPPermitted49 yd
- 3 Marsh Lane London Borough of Barnet NW7 4QNRefused58 yd
- Green Avenue London Borough of Barnet NW7 4QAPermitted65 yd