65 Harley Street Westminster W1G 8QY
Erection of a single storey mansard roof extension to the western part of the building and installation of a new lift to the rear of the building, replacement of roof slates, new plant room at rear basement and ground floor level, installation of heat pumps within front lightwell and roof level, new steel stair to front lightwell, and new doors at basement level; all to facilitate the creation of four flats (Class C3).
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Progress
Application details
- Reference
- 21/04576/FULL
- Local authority
- Westminster
- Postcode
- W1G 8QY
- Ward
- MHA_02
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 7 Jul 2021
- Validated
- 7 Jul 2021
- Comments close
- 10 Aug 2021
- Target decision
- 1 Sept 2021
- Decided
- 21 Jan 2022
Estimated project value
£1285k–£2680k
Based on the 794m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 794m²
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.
- 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 · £1,450,0004 months ago23 Apr 2026
- FLAT 47, BASILDON COURT, 28 DEVONSHIRE STREET, LONDON, W1G 6PRFlat or maisonette · Leasehold · £700,0005 months ago19 Mar 2026
- FLAT 49, 2 MANSFIELD STREET, LONDON, W1G 9NFFlat or maisonette · Leasehold · £2,140,7507 months ago30 Jan 2026
- FLAT 47, MELCOMBE REGIS COURT, 59 WEYMOUTH STREET, LONDON, W1G 8NTFlat or maisonette · Leasehold · £775,0007 months ago21 Jan 2026
- 18 WHEATLEY STREET, LONDON, W1G 8PSOther · Leasehold · Not a standard market sale · £1,550,0007 months ago16 Jan 2026
- FLAT 33, MELCOMBE REGIS COURT, 59 WEYMOUTH STREET, LONDON, W1G 8NTFlat or maisonette · Leasehold · Not a standard market sale · £242,0007 months ago14 Jan 2026
Homes here go for about £1,000,000 — the median of the last 5 market sales in W1G (the wider postcode district), £700,000 to £2,140,750.
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.
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