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Permitted09/06017/FULLConservatory

47 Belgrave Square 47 Montrose Place Westminster SW1X 8QR

Use of 47 Belgrave Square as single residential dwelling (including 47 Montrose Place). Partial demolition of 47 Montrose Place and erection of replacement extended rear facade at basement to first floor level, and replacement front facade at ground floor level. Excavation of further basement level beneath courtyard and 47 Montrose Place. Erection of conservatory at rear of 47 Belgrave Square, removal of existing roof lights in courtyard and associated landscaping. Installation of replacement plant at roof of No. 47 Belgrave Square.

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
17 Sept 2009
— completed

Application details

Reference
09/06017/FULL
Local authority
Westminster
Postcode
SW1X 8QR
Ward
KNIGHTSBRIDGE AND BELGRAVIA
Application type
All Other
Property type
House

Key dates

Decided
17 Sept 2009

Estimated project value

£14k–£41k

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.

Homes here go for about £3,675,000 — the median of the last 4 market sales in SW1X (the wider postcode district), £1,850,000 to £5,400,000.

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