4 bed flat for sale Harley Street, London, W1G 9PX
Added on 16/09/2026
About this property
Impressive Three/Four Bedroom Duplex with Extensive Loft Space Occupying the upper floors of an attractive period building, this generously proportioned three/four-bedroom duplex apartment extends to approximately 1,899 sq ft and is offered for sale with vacant possession and furnishings included. Presented in good order throughout, the accommodation is arranged over three floors and offers flexible living space, including a spacious reception/dining room, separate kitchen, principal bedroom, two further double bedrooms, a study/bedroom four and two bathrooms. A particular highlight is the substantial loft level, providing over 500 sq ft of highly versatile additional space, ideal for storage, a home office, gym or hobby area.
Key features
- Four Bedrooms
- 1,833 Sq/ft
- Loft Storage Space
- Spacious reception room
- Upper Floor
Floorplan
Price guide
£1,066 per sq ft, below the middle of recent sales in W1G (£1,050–£2,443, 10th–90th percentile, 54 sales over 24 months).
Lowest and highest are the 10th and 90th percentiles of 54 homes sold in W1G over the last 24 months. This home's figure uses its asking price. All sold £/sq ft in W1G →
Location
Harley Street, London, W1G 9PX
- Council tax
- Band G (Approx £1,749/year)Westminster's 2026/27 area average, including the typical parish precept for band G. Your bill may differ: single-person and other discounts may apply.
Mortgage and stamp duty
A £1,822,000 mortgage. Most lenders would want a household income of about £405,000 to support it.
A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.
Historic sold prices nearby
HM Land Registry sales in W1G 9PX. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Basement And Ground Floor Maisonette, 50, Harley Street Flat / maisonette | Flat / maisonette | Aug 2023 | 861 sq ft £2,195/sq ft | 861 sq ft | £2,195 | £1,890,000 |
| First Floor Flat, 50, Harley Street Flat / maisonette | Flat / maisonette | Oct 2017 | 861 sq ft £1,492/sq ft | 861 sq ft | £1,492 | £1,285,000 |
| First Floor Flat, 50, Harley Street Flat / maisonette | Flat / maisonette | Feb 2015 | 861 sq ft £1,492/sq ft | 861 sq ft | £1,492 | £1,285,000 |
| First Floor Flat, 50, Harley Street Flat / maisonette | Flat / maisonette | Dec 2013 | 861 sq ft £1,132/sq ft | 861 sq ft | £1,132 | £975,000 |
| Basement And Ground Floor Maisonette, 50, Harley Street Flat / maisonette | Flat / maisonette | Dec 2009 | 861 sq ft £1,080/sq ft | 861 sq ft | £1,080 | £930,000 |
| Third And Fourth Floor Maisonette, 50, Harley Street Flat / maisonette | Flat / maisonette | Dec 1996 | 861 sq ft £317/sq ft | 861 sq ft | £317 | £273,000 |
| First Floor Flat, 50, Harley Street Flat / maisonette | Flat / maisonette | Jul 1995 | 861 sq ft £159/sq ft | 861 sq ft | £159 | £137,000 |
All sales on Harley Street → All sold prices in Marylebone →
Area insights
The neighbourhood around this property.



