42 Green Lane London Borough of Barnet NW4 2AH

Progress

Estimated project value

£92k–£155k

Based on the 37.7m² 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: 37.7m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

• 52 GREEN LANE, LONDON, NW4 2AHSemi-detached · £1,000,0009 months ago23 Dec 2025
• 42 GREEN LANE, LONDON, NW4 2AHSemi-detached · £1,300,0002 years ago20 Dec 2023
• 50 GREEN LANE, LONDON, NW4 2AHSemi-detached · £660,00020 years ago1 Jun 2006
• 48 GREEN LANE, LONDON, NW4 2AHDetached · £695,00020 years ago26 Apr 2006

Homes here go for about £847,500 — the median of the last 4 market sales in NW4 2AH, £660,000 to £1,300,000.

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

• 42 Green Lane London Borough of Barnet NW4 2AHPermittedNext door
• 42 Green Lane London Borough of Barnet NW4 2AHPermittedNext door
• 38 Green Lane London Borough of Barnet NW4 2AHPermittedAdjoining
• 5 Holmfield Avenue London Borough of Barnet NW4 2LPPermitted46 yd
• LANGHAM HOUSE HOLMBROOK DRIVE Barnet NW4Permitted47 yd
• 5 Holmfield Avenue London Borough of Barnet NW4 2LPPermitted48 yd