141 Harley Street 28 and 29 Devonshire Mews West Westminster W1G 6BQ
Demolition of mews buildings at 28 and 29 Devonshire Mews West and lower ground and ground floor link building at the rear of 141 Harley Street and the erection of new building to include a three storey basement to the rear of the site in connection with the use of the 141 Harley Street and the lower ground and ground floor of 143 Harley Street for Class D1 medical purposes; installation of a new passenger lift to the rear of 141 Harley Street and installation of plant. (Site includes excavation part way under the pavement of Devonshire Mews West and use swap with 126 Harley Street).
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Progress
Application details
- Reference
- 16/05372/FULL
- Local authority
- Westminster
- Postcode
- W1G 6BQ
- Ward
- MARYLEBONE HIGH STREET
- Application type
- All Other
- Property type
- House
Key dates
- Decided
- 22 Dec 2016
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 · £685,5002 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 · £7,8133 months ago27 May 2026
- FLAT 13, 40 - 41 WIMPOLE STREET, LONDON, W1G 8ABFlat or maisonette · Leasehold · £1,000,0004 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 · £2,140,7507 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
- 141 Harley Street Westminster W1G 6BQPendingNext door
- 141 Harley Street Westminster W1G 6BQPendingNext door
- 145 Harley Street Westminster W1G 6BGPermittedNext door
- 145 Harley Street Westminster W1G 6BGPermittedNext door
- 145 Harley Street Westminster W1G 6BGPermittedNext door
- 27-28 Devonshire Mews West Westminster W1G 6QFPermittedNext door