336 Kilburn Lane Westminster W9 3EF
Erection of mansard roof extension to provide two one bed residential units (Class C3).
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Progress
Application details
- Reference
- 25/01335/FULL
- Local authority
- Westminster
- Postcode
- W9 3EF
- Ward
- QPW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 15 Apr 2025
- Validated
- 15 Apr 2025
- Comments close
- 15 May 2025
- Target decision
- 10 Jun 2025
- Decided
- 8 Jul 2025
Estimated project value
£175k–£360k
Based on the 107m² 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: 106.8m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 8 recent sales are listed below.
- FLAT 5, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · Not a standard market sale · £580,0007 months ago6 Mar 2026
- FLAT 2, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · £410,00010 months ago28 Nov 2025
- FLAT 4, 340 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · Not a standard market sale · £498,40012 months ago27 Oct 2025
- FLAT 4, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · Not a standard market sale · £425,00012 months ago3 Oct 2025
- FLAT 3, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · £585,00015 months ago8 Jul 2025
- FLAT 1, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · £600,00019 months ago14 Mar 2025
- FLAT 9, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · £447,50022 months ago20 Dec 2024
- FLAT 11, 302 - 310 KILBURN LANE, LONDON, W9 3EFFlat or maisonette · Leasehold · £560,00022 months ago29 Nov 2024
Homes here go for about £560,000 — the median of the last 5 market sales in W9 3EF, £410,000 to £600,000.
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.
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