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Permitted12/05257/FULLLoft conversion

47 Wilton Crescent 46 - 47 Belgrave Mews North Westminster SW1X 8RX

Demolition of Nos. 46-47 Belgrave Mews North and the erection of a part three, part four storey replacement mews building with terrace and two basement levels to be linked to No. 47 Wilton Crescent. Alterations and extensions to No. 47 Wilton Crescent comprising excavation of two basement levels; extensions at rear second and third floor level; mansard roof extension; rebuilding fourth floor facade and three storey link extension between the main house and the mews property; installation of plant within front pavement vaults with external louvres.

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
29 Jan 2013
— completed

Application details

Reference
12/05257/FULL
Local authority
Westminster
Postcode
SW1X 8RX
Ward
KNIGHTSBRIDGE AND BELGRAVIA
Application type
All Other
Property type
House

Key dates

Decided
29 Jan 2013

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