15 Blackett Street Wandsworth SW15 1QG
Alterations including the erection of a single-storey ground floor rear/side extension and a full width mansard roof extension to the main rear roof slope with French doors and safety balustrade
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Progress
Application details
- Reference
- 2026/0321
- Local authority
- Wandsworth
- Postcode
- SW15 1QG
- Ward
- Thamesfield
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 23 Jan 2026
- Validated
- 23 Jan 2026
- Comments close
- 24 Feb 2026
- Target decision
- 20 Mar 2026
- Decided
- 19 Mar 2026
Estimated project value
£67k–£140k
Based on the 41.5m² 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: 41.45m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.
- 15 BLACKETT STREET, LONDON, SW15 1QGTerraced · £1,207,5009 months ago5 Dec 2025
- 8 BLACKETT STREET, LONDON, SW15 1QGFlat or maisonette · Leasehold · £800,00020 months ago16 Dec 2024
- 5 BLACKETT STREET, LONDON, SW15 1QGTerraced · £1,300,00021 months ago4 Dec 2024
- 15 BLACKETT STREET, LONDON, SW15 1QGTerraced · £900,00021 months ago26 Nov 2024
- 16A BLACKETT STREET, LONDON, SW15 1QGFlat or maisonette · Leasehold · £936,8683 years ago28 Jun 2023
- 20 BLACKETT STREET, LONDON, SW15 1QGFlat or maisonette · Leasehold · £815,0003 years ago6 Mar 2023
- 26A BLACKETT STREET, LONDON, SW15 1QGFlat or maisonette · Leasehold · £845,0003 years ago7 Nov 2022
- 6 BLACKETT STREET, LONDON, SW15 1QGTerraced · £1,075,0004 years ago16 Dec 2021
Homes here go for about £918,434 — the median of the last 8 market sales in SW15 1QG, £800,000 to £1,300,000.
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
- 15 Blackett Street Wandsworth SW15 1QGPermittedNext door
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- 5 Blackett Street Wandsworth SW15 1QGPermittedAdjoining
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