40 Marsh Lane Barnet NW7 4QH
Conversion of the garage to habitable room, single storey extension of the hallway at the front, lowering of the ground floor, alterations to windows at rear and along flanks, creation of the retaining wall to rear patio and the construction of the railings and electric gate to the front boundary
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 22/5872/191
- Local authority
- Barnet
- Postcode
- NW7 4QH
- Ward
- MH22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 20 Dec 2022
- Validated
- 20 Dec 2022
- Target decision
- 14 Feb 2023
- Decided
- 16 Jan 2023
Estimated project value
£11k–£48k
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: Checkatrade 2026 garage conversion cost guide.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing.
- 50 MARSH LANE, LONDON, NW7 4QHDetached · £2,100,0002 months ago3 Jul 2026
- 42 MARSH LANE, LONDON, NW7 4QHDetached · £1,750,0002 years ago30 Sept 2024
- 40 MARSH LANE, LONDON, NW7 4QHDetached · £1,800,0003 years ago3 Feb 2023
- 50 MARSH LANE, LONDON, NW7 4QHDetached · £1,620,0005 years ago20 Nov 2020
- 42 MARSH LANE, LONDON, NW7 4QHDetached · £1,350,0009 years ago19 Jun 2017
- 48A MARSH LANE, LONDON, NW7 4QHDetached · £640,00015 years ago9 Sept 2011
- 46 MARSH LANE, LONDON, NW7 4QHDetached · £1,060,00019 years ago25 Sept 2007
- 40 MARSH LANE, LONDON, NW7 4QHDetached · £680,00021 years ago16 Nov 2004
Homes here go for about £1,485,000 — the median of the last 8 market sales in NW7 4QH, £640,000 to £2,100,000.
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
- 34 Marsh Lane London Borough of Barnet NW7 4QPRefused44 yd
- 34 Marsh Lane London Borough of Barnet NW7 4QPRefused46 yd
- 34 Marsh Lane London Borough of Barnet NW7 4QPPermitted46 yd
- 34 Marsh Lane London Borough of Barnet NW7 4QPWithdrawn46 yd
- 34 Marsh Lane London Borough of Barnet NW7 4QPPermitted46 yd
- 29 Marsh Lane London Borough of Barnet NW7 4QJPermitted53 yd