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Permitted15/04536/FULLBasement

35 Belgrave Square Westminster SW1X 8QB

Erection of single storey extensions at rear lower ground, ground and fourth floor levels; provision of terraces at rear first and fourth floor levels; alterations at roof level including reducing height of lift overrun, replace front pitched roof, installation of plant equipment, solar panels and rooflights; alterations to windows and doors; replace rear riser duct; minor alterations to rear closet wing to insert lift shaft; excavation of basement and sub-basement to rear; minor alterations to front basement vaults. Internal alterations including the removal and addition of partitions. All works in association with the use of the property as a single family dwelling (Class C3)

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Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
26 Jan 2016
— completed

Application details

Reference
15/04536/FULL
Local authority
Westminster
Postcode
SW1X 8QB
Ward
KNIGHTSBRIDGE AND BELGRAVIA
Application type
All Other
Property type
House

Key dates

Decided
26 Jan 2016

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

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 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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