21 Ballantine Street Wandsworth SW18 1AL
Erection of mansard extension to main rear roof including raising of ridge by 300mm; and extension above part of two-storey rear addition
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Progress
Application details
- Reference
- 2023/0776
- Local authority
- Wandsworth
- Postcode
- SW18 1AL
- Ward
- Wandsworth Town
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 7 Mar 2023
- Validated
- 7 Mar 2023
- Comments close
- 13 Apr 2023
- Target decision
- 2 May 2023
- Decided
- 28 Apr 2023
Estimated project value
£16k–£34k
Based on the 10.0m² 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: 10m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 6 recent sales are listed below.
- 20 BALLANTINE STREET, LONDON, SW18 1ALTerraced · Not a standard market sale · £1,250,0007 months ago16 Jan 2026
- 39 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £1,300,0008 months ago15 Dec 2025
- 31 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £1,165,00019 months ago28 Jan 2025
- 34 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £1,120,00021 months ago2 Dec 2024
- 14 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £1,220,00021 months ago25 Nov 2024
- 27 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £1,055,00022 months ago29 Oct 2024
- 4 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £950,0002 years ago23 May 2024
- 17 BALLANTINE STREET, LONDON, SW18 1ALTerraced · £1,289,0002 years ago8 Feb 2024
Homes here go for about £1,165,000 — the median of the last 7 market sales in SW18 1AL, £950,000 to £1,300,000.
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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