82 New Cavendish Street Westminster W1W 6XR
Amendments to planning permission dated 23 May 2018 (RN: 18/02638) for erection of an extension at fourth floor level for use in connection with the existing flat (Class C3), creation of two new window opening within the rear flank wall facing Duchess Mews and replacement of all the windows at 3rd and 4th floor level, and installation of air conditioning unit at roof level, associated external and internal alterations [Site includes 22 Mansfield Street], NAMELY, revisions to the internal layout and addition of external security bars to windows in the external rooflight area to the rear of the property.
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Progress
Application details
- Reference
- 20/01106/NMA
- Local authority
- Westminster
- Postcode
- W1W 6XR
- Ward
- WED_02
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 14 Feb 2020
- Validated
- 14 Feb 2020
- Target decision
- 13 Mar 2020
- Decided
- 28 Feb 2020
Estimated project value
£9k–£25k
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 / BestBuilders 2026 roof replacement, 3-bed semi.
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 1, FITZBOURNE APARTMENTS, 91 NEW CAVENDISH STREET, LONDON, W1W 6XFFlat or maisonette · Leasehold · £2,500,000last month17 Sept 2026
- FOURTH FLOOR FLAT, 134 GREAT PORTLAND STREET, LONDON, W1W 6PXFlat or maisonette · Leasehold · Not a standard market sale · £450,0002 months ago28 Aug 2026
- FLAT 25, GOODWOOD COURT, 54 - 57 DEVONSHIRE STREET, LONDON, W1W 5EFFlat or maisonette · Leasehold · Not a standard market sale · £775,0002 months ago21 Aug 2026
- FLAT 16, 105 HALLAM STREET, LONDON, W1W 5HDFlat or maisonette · Leasehold · Not a standard market sale · £294,0002 months ago11 Aug 2026
- FLAT 41, 49 HALLAM STREET, LONDON, W1W 6JWFlat or maisonette · Leasehold · £1,400,0002 months ago10 Aug 2026
- FLAT 19, GOODWOOD COURT, 54 - 57 DEVONSHIRE STREET, LONDON, W1W 5EFFlat or maisonette · Leasehold · £650,0003 months ago17 Jul 2026
- FLAT 10, 43 - 51 GREAT TITCHFIELD STREET, LONDON, W1W 7PQFlat or maisonette · Leasehold · £1,100,0003 months ago9 Jul 2026
- FLAT 11, GOODWOOD COURT, 54 - 57 DEVONSHIRE STREET, LONDON, W1W 5DZFlat or maisonette · Leasehold · £510,0004 months ago29 Jun 2026
Homes here go for about £1,100,000 — the median of the last 5 market sales in W1W (the wider postcode district), £510,000 to £2,500,000.
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
- 82 New Cavendish Street Westminster W1G 9TAPermittedNext door
- 82 New Cavendish Street Westminster W1G 9TAPermittedNext door
- 82 New Cavendish Street Westminster W1W 6XRPermittedNext door
- 82 New Cavendish Street Westminster W1W 6XRPermittedNext door
- 82 New Cavendish Street Westminster W1W 6XRPermittedNext door
- 82 New Cavendish Street Westminster W1W 6XRPermittedNext door