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Permitted2024/4467Submitted over a year agoLoft conversion

20 Borneo Street Wandsworth SW15 1QQ

Erection of rear mansard roof extension to main rear roof slope (involving raising the ridge by 160mm to the main roof) and erection of mansard roof over the two-storey back addition with terrace. Installation of solar panels and x4 skylights; installation of x2 external AC condenser units to rear

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Progress

Submitted
29 Jan 2025
— completed
Validated
29 Jan 2025
— completed
Consultation
26 Feb 2025
— completed
Target date
1 May 2025
— completed
Decided
1 May 2025
— completed

Application details

Reference
2024/4467
Local authority
Wandsworth
Postcode
SW15 1QQ
Ward
Thamesfield
Application type
Householder
Property type
House

Key dates

Submitted
29 Jan 2025
Validated
29 Jan 2025
Comments close
26 Feb 2025
Target decision
1 May 2025
Decided
1 May 2025

Estimated project value

£68k–£140k

Based on the 42.0m² 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: 42 · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 7 recent sales are listed below.

Homes here go for about £808,750 — the median of the last 8 market sales in SW15 1QQ, £700,000 to £1,160,000.

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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