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Permitted17/04929/FULLRear extension

40-41 Conduit Street Westminster W1S 2YQ

Use of the building as a private members club (Sui Generis), dual alterative use of the ground floor as retail (Class A1), associated alterations including erection of a 6th floor extension, a pergola at 4th floor level roof top plant, external terraces at 4th and 6th floors levels.

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Progress

Submitted
— completed
Validated
— completed
Consultation
— completed
Target date
— completed
Decided
22 Aug 2017
— completed

Application details

Reference
17/04929/FULL
Local authority
Westminster
Postcode
W1S 2YQ
Ward
WEST END
Application type
All Other
Property type
Commercial

Key dates

Decided
22 Aug 2017

Estimated project value

£41k–£75k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

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.

Nearby applications