75 Northiam London Borough of Barnet N12 7JH
Single storey rear infill extension. Conversion of the garage into a habitable room, insertion of window to replace garage door and new tiled roof. Changes to fenestration
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Progress
Application details
- Reference
- 24/5131/HSE
- Local authority
- Barnet
- Postcode
- N12 7JH
- Ward
- TW22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 5 Dec 2024
- Validated
- 5 Dec 2024
- Target decision
- 30 Jan 2025
- Decided
- 27 Jan 2025
Estimated project value
£37k–£61k
Based on the 15.0m² 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: 15m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.
- 51 NORTHIAM, LONDON, N12 7JHSemi-detached · £1,715,00013 months ago11 Aug 2025
- 49 NORTHIAM, LONDON, N12 7JHSemi-detached · £1,711,40021 months ago12 Nov 2024
- 75 NORTHIAM, LONDON, N12 7JHSemi-detached · £1,085,00022 months ago21 Oct 2024
- 59 NORTHIAM, LONDON, N12 7JHSemi-detached · £1,220,0005 years ago18 Feb 2021
- 71 NORTHIAM, LONDON, N12 7JHSemi-detached · £900,0007 years ago6 Dec 2018
- 77 NORTHIAM, LONDON, N12 7JHDetached · £1,075,0009 years ago14 Oct 2016
- 55 NORTHIAM, LONDON, N12 7JHSemi-detached · £950,00010 years ago20 Nov 2015
- 81 NORTHIAM, LONDON, N12 7JHDetached · £1,100,00013 years ago30 Jul 2013
Homes here go for about £1,092,500 — the median of the last 8 market sales in N12 7JH, £900,000 to £1,715,000.
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
- 75 Northiam London Borough of Barnet N12 7JHWithdrawnNext door
- 77 Northiam London Borough of Barnet N12 7JHPermittedNext door
- 77 Northiam London Borough of Barnet N12 7JHPermittedNext door
- 79 Northiam London Borough of Barnet N12 7JHPermittedAdjoining
- 71 Northiam London Borough of Barnet N12 7JHPermittedAdjoining
- 56 Northiam London Borough of Barnet N12 7HJPermitted53 yd