135 Friern Barnet Road London Borough of Barnet N11 3DX
Alterations and extensions to existing building including part single, part two storey side and rear extension, roof extension with front and rear dormer window and side and rear rooflights to provide 1no. additional self-contained flat with associated refuse/recycling and cycle storage.
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Progress
Application details
- Reference
- 25/2809/FUL
- Local authority
- Barnet
- Postcode
- N11 3DX
- Ward
- FB22
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 3 Jul 2025
- Validated
- 3 Jul 2025
- Comments close
- 27 Aug 2025
- Target decision
- 28 Aug 2025
- Decided
- 15 Sept 2025
Estimated project value
£130k–£275k
Based on the 81.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 81m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 139 FRIERN BARNET ROAD, LONDON, N11 3DXSemi-detached · £363,0008 months ago8 Jan 2026
- 139 FRIERN BARNET ROAD, LONDON, N11 3DXSemi-detached · Not a standard market sale · £342,50013 months ago5 Aug 2025
- 135 FRIERN BARNET ROAD, LONDON, N11 3DXOther · Not a standard market sale · £400,0003 years ago28 Nov 2022
- FLAT 3, 137 FRIERN BARNET ROAD, LONDON, N11 3DXFlat or maisonette · Leasehold · £224,00013 years ago3 Oct 2012
- FLAT 3, 137 FRIERN BARNET ROAD, LONDON, N11 3DXFlat or maisonette · Leasehold · £185,00019 years ago26 Jan 2007
- 139 FRIERN BARNET ROAD, LONDON, N11 3DXFlat or maisonette · Leasehold · £206,50023 years ago31 Oct 2002
- 139 FRIERN BARNET ROAD, LONDON, N11 3DXFlat or maisonette · Leasehold · £140,00024 years ago9 Nov 2001
- 139 FRIERN BARNET ROAD, LONDON, N11 3DXSemi-detached · £210,00025 years ago31 Aug 2001
Homes here go for about £208,250 — the median of the last 6 market sales in N11 3DX, £140,000 to £363,000.
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
- 135 Friern Barnet Road London Borough of Barnet N11 3DXPermittedNext door
- Barnet N11 3DXPermittedNext door
- 139 Friern Barnet Road London Borough of Barnet N11 3DXPermittedAdjoining
- London Borough of BarnetPermittedAdjoining
- London Borough of Barnet N11 3DYPermittedAdjoining
- London Borough of Barnet N11 3DYPermittedAdjoining