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Permitted14/07774/FULLBasement

3 Berkeley Square Westminster W1J 6ED

Use of the property as a single family dwelling (Use Class C3); excavation of a sub-basement; infilling of the rear lightwell at basement and ground floor levels; extensions at the rear of the property at fourth and fifth floor levels and extension of the terrace at fifth floor level. Installation of new windows on the side elevation of the property.

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
4 Nov 2014
— completed

Application details

Reference
14/07774/FULL
Local authority
Westminster
Postcode
W1J 6ED
Ward
WEST END
Application type
All Other
Property type
House

Key dates

Decided
4 Nov 2014

Estimated project value

£135k–£340k

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: trade estimate.

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