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Permitted11/06481/FULLLoft conversion

46-47 Wilton Crescent Westminster SW1X 8RX

Demolition of 46-47 Belgrave Mews North and erection of four storey replacement mews building with terraces and two basement levels. All in association with part demolition, extensions and other alterations to 46 and 47 Wilton Crescent including extension at rear second to third floor level, mansard roof extension, rebuilding fourth floor facade, three storey link between the main house and the mews properties and two additional basement levels; for use as two single family dwellinghouses.

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
23 Feb 2012
— completed

Application details

Reference
11/06481/FULL
Local authority
Westminster
Postcode
SW1X 8RX
Ward
KNIGHTSBRIDGE AND BELGRAVIA
Application type
All Other
Property type
House

Key dates

Decided
23 Feb 2012

Estimated project value

£37k–£100k

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: Checkatrade 2026 loft conversion cost guide.

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