9 Cavendish Square Westminster W1G 9DF
Amendments to planning permission dated 08 November 2022 (RN:22/06159/FULL) for creation of two roof terraces at fourth floor level and a terrace at second floor level with associated alterations to the elevations at these levels to include new access doors, installation of a green wall on the rear of the building, alterations to existing roof to accommodate the installation of plant. Namely, to provide a non-mechanical louvre to the basement of the existing building
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 25/03884/NMA
- Local authority
- Westminster
- Postcode
- W1G 9DF
- Ward
- MBW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 9 Jun 2025
- Validated
- 9 Jun 2025
- Target decision
- 7 Jul 2025
- Decided
- 22 Jul 2025
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
New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.
- APARTMENT 8, 103 - 105 HARLEY STREET, LONDON, W1G 6AJFlat or maisonette · Leasehold · £685,5003 months ago25 Jun 2026
- 10 DEVONSHIRE MEWS WEST, LONDON, W1G 6QETerraced · £5,250,0003 months ago19 Jun 2026
- 4 DEVONSHIRE CLOSE, LONDON, W1G 7BAOther · Not a standard market sale · £7,8134 months ago27 May 2026
- FLAT 13, 40 - 41 WIMPOLE STREET, LONDON, W1G 8ABFlat or maisonette · Leasehold · £1,000,0005 months ago30 Apr 2026
- FLAT 2, 36 DEVONSHIRE PLACE, LONDON, W1G 6JRFlat or maisonette · Leasehold · £1,450,0005 months ago23 Apr 2026
- FLAT 47, BASILDON COURT, 28 DEVONSHIRE STREET, LONDON, W1G 6PRFlat or maisonette · Leasehold · £700,0006 months ago19 Mar 2026
- FLAT 49, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £2,140,7508 months ago30 Jan 2026
- FLAT 12, DUDLEY HOUSE WESTMORELAND STREET, LONDON, W1G 8PWFlat or maisonette · Leasehold · £1,675,0008 months ago23 Jan 2026
Homes here go for about £1,450,000 — the median of the last 7 market sales in W1G (the wider postcode district), £685,500 to £5,250,000.
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
- 9 Cavendish Square Westminster W1G 9DFRefusedNext door
- 9 Cavendish Square Westminster W1G 9DFPermittedNext door
- 9 Cavendish Square Westminster W1G 9DFRefusedNext door
- 9 Cavendish Square Westminster W1G 9DFPermittedNext door
- 9 Cavendish Square Westminster W1G 9DFPermittedNext door
- 9 Cavendish Square Westminster W1G 9DFPermittedNext door