4 bed flat for sale Basil Mansions, Knightsbridge, London
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About this property
Lying on the second floor of the handsome red-brick Basil Mansions, this beautifully refurbished lateral apartment unfolds across almost 2,500 sq ft and pairs generous proportions with elegant contemporary finishes. Positioned moments from Harrods and the boutiques of Knightsbridge, the building offers the comfort of a porter and lift, while the apartment itself has been comprehensively renovated by the current owners to an exacting standard. The layout is particularly well balanced for both entertaining and everyday life.
Key features
- Balcony
- Built in Kitchen Appliances
- Built in Wardrobes
- Lateral apartment
Floorplan
Price guide
£2,660 per sq ft, above 9 in 10 recent sales in SW3 (£966–£2,284, 10th–90th percentile, 494 sales over 24 months).
Lowest and highest are the 10th and 90th percentiles of 494 homes sold in SW3 over the last 24 months. This home's figure uses its asking price. All sold £/sq ft in SW3 →
Location
Basil Mansions, Knightsbridge, London, SW3 1AP
- Council tax
- Band D (Approx £1,050/year)The agent has not stated the band, so band D is shown as the local reference: Westminster's 2026/27 area average, including the typical parish precept. The actual band and any discounts change the bill.
Mortgage and stamp duty
A £5,850,000 mortgage. Most lenders would want a household income of about £1,300,000 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 SW3 1AP. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Flat 7, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Oct 2024 | 2,024 sq ft £1,779/sq ft | 2,024 sq ft | £1,779 | £3,600,000 |
| Flat 4b, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Aug 2023 | 667 sq ft £1,573/sq ft | 667 sq ft | £1,573 | £1,050,000 |
| Flat 12, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Jun 2022 | 2,573 sq ft £2,157/sq ft | 2,573 sq ft | £2,157 | £5,550,000 |
| Flat 18, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Jun 2019 | 2,497 sq ft £1,802/sq ft | 2,497 sq ft | £1,802 | £4,500,000 |
| Flat 1b, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Dec 2015 | 1,044 sq ft £1,820/sq ft | 1,044 sq ft | £1,820 | £1,900,000 |
| Flat 5, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Dec 2013 | 2,056 sq ft £2,675/sq ft | 2,056 sq ft | £2,675 | £5,500,000 |
| Flat 7b, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Jan 2013 | — | — | — | £1,100,000 |
| Flat 17, Basil Mansions, Basil Street Flat / maisonette | Flat / maisonette | Jan 2013 | 2,605 sq ft £2,227/sq ft | 2,605 sq ft | £2,227 | £5,800,000 |
Area insights
The neighbourhood around this property.



