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Permitted2025/0799Submitted over a year agoTwo-storey extension

9 Elcho Street Wandsworth SW11 4AU

Erection of a two-storey extension above the front part of the southern building facing Howie Street and the erection of a part four and part eight storey extension to the central and northern part of the building fronting Elcho Street including a new basement, to provide additional floor space (Use Class E(g)(ii) (Research and development of products or processes)) and associated ancillary floorspace (additional letter of consultation to give notice of information now displayed on the Council's website).

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Progress

Submitted
12 Mar 2025
— completed
Validated
12 Mar 2025
— completed
Consultation
30 Dec 2025
— completed
Target date
12 Jun 2026
— completed
Decided
11 Jun 2026
— completed

Application details

Reference
2025/0799
Local authority
Wandsworth
Postcode
SW11 4AU
Ward
Battersea Park
Application type
All Other
Property type
House

Key dates

Submitted
12 Mar 2025
Validated
12 Mar 2025
Comments close
30 Dec 2025
Target decision
12 Jun 2026
Decided
11 Jun 2026

Estimated project value

£11890k–£16645k

Based on the 4,403m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².

Floor area gained: 4,403

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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