37 Rowsley Avenue London Borough of Barnet NW4 1AP
Single storey side and rear extension following demolition of the existing conservatory and outbuilding
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Progress
Application details
- Reference
- 24/3517/HSE
- Local authority
- Barnet
- Postcode
- NW4 1AP
- Ward
- HD22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 5 Sept 2024
- Validated
- 5 Sept 2024
- Target decision
- 31 Oct 2024
- Decided
- 7 Oct 2024
Estimated project value
£29k–£49k
Based on the 12.0m² 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: 12m²
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 · £969,0007 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
- 37 Rowsley Avenue London Borough of Barnet NW4 1APPermittedNext door
- 37 Rowsley Avenue London Borough of Barnet NW4 1APPermittedNext door
- 43 Rowsley Avenue London Borough of Barnet NW4 1APRefusedAdjoining
- 44 Rowsley Avenue London Borough of Barnet NW4 1AJPermittedAdjoining
- 48 Rowsley Avenue London Borough of Barnet NW4 1AJPermitted44 yd
- 44 Rowsley Avenue London Borough of Barnet NW4 1AJPermitted52 yd