33 St James's Square Westminster SW1Y 4LB
Change of use from offices to 23 residential units (4 x 1 bed, 6 x 2 bed, 12 x 3 bed and 1 x 4 bed flats), incorporating internal and external alterations, including excavation to create an enlarged basement floor level with off-street parking, swimming pool, and mechanical plant; demolition of the existing 10 storey rear wing extension and replacement with a new 11 storey rear wing extension with terraces and balconies.
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Progress
Application details
- Reference
- 14/12035/FULL
- Local authority
- Westminster
- Postcode
- SW1Y 4LB
- Ward
- ST. JAMES'S
- Application type
- All Other
- Property type
- Flat
Key dates
- Decided
- 20 Jan 2015
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.
- 11 ST JAMES'S SQUARE, LONDON, SW1Y 4LBOther · Not a standard market sale · £162,000,00022 months ago19 Dec 2024
- FLAT 10, 18 ST JAMES'S SQUARE, LONDON, SW1Y 4LBFlat or maisonette · Leasehold · Not a standard market sale · £6,800,0002 years ago10 Jan 2024
- GROUND AND FIRST FLOOR PREMISES, 11 - 12 ST JAMES'S SQUARE, LONDON, SW1Y 4LBFlat or maisonette · Leasehold · Not a standard market sale · £127,51211 years ago20 Mar 2015
- FLAT 10, 18 ST JAMES'S SQUARE, LONDON, SW1Y 4LBFlat or maisonette · Leasehold · £2,900,00024 years ago23 Jun 2002
- FLAT 10, 18 ST JAMES'S SQUARE, LONDON, SW1Y 4LBFlat or maisonette · Leasehold · New build · £2,550,00026 years ago26 May 2000
- APARTMENT 9, 18 ST JAMES'S SQUARE, LONDON, SW1Y 4LBFlat or maisonette · Leasehold · New build · £1,700,00026 years ago1 Feb 2000
Homes here go for about £2,550,000 — the median of the last 3 market sales in SW1Y 4LB, £1,700,000 to £2,900,000.
Contains HM Land Registry data © Crown copyright and database right 2024. 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
- WestminsterPermittedNext door
- 33 St James's Square Westminster SW1Y 4JSWithdrawnNext door
- 33 St James's Square Westminster SW1Y 4JSPermittedNext door
- 33 St James's Square Westminster SW1Y 4JSPermittedNext door
- 33 St James's Square Westminster SW1Y 4JSPermittedNext door
- 33 St James's Square Westminster SW1Y 4JSPermittedNext door