40 Sefton Street Wandsworth SW15 1LZ
Alterations including erection of dormer roof extension to main rear roof and erection of single storey rear extension. Rooflights to front roofslope
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Progress
Application details
- Reference
- 2025/4167
- Local authority
- Wandsworth
- Postcode
- SW15 1LZ
- Ward
- Thamesfield
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 26 Nov 2025
- Validated
- 26 Nov 2025
- Comments close
- 27 Jan 2026
- Target decision
- 4 Feb 2026
- Decided
- 4 Feb 2026
Estimated project value
£62k–£130k
Based on the 38.0m² 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: 38m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.
- 2 SEFTON STREET, LONDON, SW15 1LZTerraced · £982,50016 months ago2 May 2025
- 12 SEFTON STREET, LONDON, SW15 1LZTerraced · £1,000,00017 months ago28 Mar 2025
- 42 SEFTON STREET, LONDON, SW15 1LZTerraced · £1,045,00017 months ago24 Mar 2025
- 40 SEFTON STREET, LONDON, SW15 1LZFlat or maisonette · £780,00020 months ago13 Dec 2024
- FIRST AND SECOND FLOOR FLAT, 18 SEFTON STREET, LONDON, SW15 1LZFlat or maisonette · Leasehold · £750,00023 months ago2 Oct 2024
- 34 SEFTON STREET, LONDON, SW15 1LZTerraced · £965,0003 years ago10 Feb 2023
- 52 SEFTON STREET, LONDON, SW15 1LZTerraced · £881,0004 years ago5 Jan 2022
- 6 SEFTON STREET, LONDON, SW15 1LZTerraced · £1,211,1005 years ago19 Mar 2021
Homes here go for about £973,750 — the median of the last 8 market sales in SW15 1LZ, £750,000 to £1,211,100.
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
- Sefton Street Wandsworth SW15 1LZPermittedNext door
- 34 Sefton Street Wandsworth SW15 1LZPermittedNext door
- 52 Sefton Street Wandsworth SW15 1LZPermittedAdjoining
- 54 Sefton Street Wandsworth SW15 1LZPermittedAdjoining
- 23 Sefton Street Wandsworth SW15 1NAPermittedAdjoining
- 25 Sefton Street Wandsworth SW15 1NAPermittedAdjoining