11 Laleham Avenue London Borough of Barnet NW7 3HN
Roof extension involving side and rear dormer with juliette balcony and 2no. front facing rooflights
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Progress
Application details
- Reference
- 23/4478/FUL
- Local authority
- Barnet
- Postcode
- NW7 3HN
- Ward
- EY22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 18 Oct 2023
- Validated
- 18 Oct 2023
- Target decision
- 13 Dec 2023
- Decided
- 9 Jan 2024
Estimated project value
£42k–£88k
Based on the 26.0m² 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: 26m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.
- 1 LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · Not a standard market sale · £325,00010 months ago27 Oct 2025
- 3 LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · Not a standard market sale · £324,99910 months ago27 Oct 2025
- 51 LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · Not a standard market sale · £405,00014 months ago19 Jun 2025
- 9 LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · £300,00020 months ago16 Dec 2024
- 25 LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · £370,00022 months ago25 Oct 2024
- 37 LALEHAM AVENUE, LONDON, NW7 3HNSemi-detached · Leasehold · £330,0002 years ago18 Dec 2023
- 15 LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · Not a standard market sale · £160,0003 years ago3 Mar 2023
- 15A LALEHAM AVENUE, LONDON, NW7 3HNFlat or maisonette · Leasehold · £287,5004 years ago29 Apr 2022
Homes here go for about £315,000 — the median of the last 4 market sales in NW7 3HN, £287,500 to £370,000.
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
- 11 Laleham Avenue London Borough of Barnet NW7 3HNWithdrawnNext door
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- London Borough of BarnetPermittedAdjoining
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