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Permitted13/11081/FULLRear extension

36 Wilton Crescent Westminster SW1X 8RX

Excavation beneath footprint of existing property, rear courtyard and front lightwell to create basement extension with swimming pool, installation of a replacement lift within a raised extension to the rear of the building, refurbishment of front facade including reinstatement of period sash window features, modifications and refurbishment of the rear elevation including realignment of windows and installation of mechanical plant equipment under the front pavement vaults and at roof level, all in association with the use of the property as a single family dwelling.

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
11 Mar 2014
— completed

Application details

Reference
13/11081/FULL
Local authority
Westminster
Postcode
SW1X 8RX
Ward
KNIGHTSBRIDGE AND BELGRAVIA
Application type
All Other
Property type
House

Key dates

Decided
11 Mar 2014

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

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

Homes here go for about £5,650,000 — the median of the last 4 market sales in SW1X 8RX, £3,550,000 to £13,880,000.

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.

Nearby applications