13 Rowsley Avenue London Borough of Barnet NW4 1AP
Single storey front extension including conversion of the existing garage into habitable room, insertion of windows and door to replace the garage door. Single storey rear infill extension
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Progress
Application details
- Reference
- 23/1148/HSE
- Local authority
- Barnet
- Postcode
- NW4 1AP
- Ward
- HD22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 20 Mar 2023
- Validated
- 20 Mar 2023
- Target decision
- 15 May 2023
- Decided
- 15 May 2023
Estimated project value
£25k–£41k
Based on the 10.0m² 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: 10m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 39 ROWSLEY AVENUE, LONDON, NW4 1APSemi-detached · £969,0006 months ago18 Mar 2026
- 49 ROWSLEY AVENUE, LONDON, NW4 1APDetached · £1,180,0003 years ago19 Sept 2023
- 13 ROWSLEY AVENUE, LONDON, NW4 1APOther · Not a standard market sale · £905,0003 years ago4 Jan 2023
- 1 ROWSLEY AVENUE, LONDON, NW4 1APSemi-detached · £875,0004 years ago12 Apr 2022
- 21 ROWSLEY AVENUE, LONDON, NW4 1APTerraced · £885,0005 years ago25 Jan 2021
- 19 ROWSLEY AVENUE, LONDON, NW4 1APSemi-detached · £1,040,0006 years ago7 Sept 2020
- 11 ROWSLEY AVENUE, LONDON, NW4 1APSemi-detached · £860,0008 years ago7 Jun 2018
- 25 ROWSLEY AVENUE, LONDON, NW4 1APDetached · £1,045,0008 years ago16 Feb 2018
Homes here go for about £969,000 — the median of the last 7 market sales in NW4 1AP, £860,000 to £1,180,000.
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
- 13 Rowsley Avenue London Borough of Barnet NW4 1APRefusedNext door
- Rowsley Avenue Barnet NW4 1APPermittedAdjoining
- 22 Rowsley Avenue London Borough of Barnet NW4 1AJRefusedAdjoining
- 20 Rowsley Avenue London Borough of Barnet NW4 1AJPermittedAdjoining
- 22 Rowsley Avenue London Borough of Barnet NW4 1AJPermittedAdjoining
- 16 Rowsley Avenue London Borough of Barnet NW4 1AJPermittedAdjoining