3 bed flat for sale Rose Square, Chelsea, London, SW3 6RS
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About this property
Impressive maisonette in the prestigous residential development 'The Bromptons' Set on one of South Kensington's most sought-after private addresses, this beautifully presented duplex apartment spans the second and third floors and offers approximately 2,233 sq ft (207.45 sq m) of elegant, light-filled accommodation. Rose Square - affectionately known locally as “The Bromptons” is prized for its discreet setting, prime Chelsea/South Kensington positioning and superb convenience for the King’s Road and Brompton Road.
Floorplan
Price guide
£2,686 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
Rose Square, Chelsea, London, SW3 6RS
- Council tax
- Band D (Approx £1,667/year)The agent has not stated the band, so band D is shown as the local reference: Kensington and Chelsea's 2026/27 area average, including the typical parish precept. The actual band and any discounts change the bill.
Mortgage and stamp duty
A £5,400,000 mortgage. Most lenders would want a household income of about £1,200,000 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 6RS. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| 11, Rose Square Flat / maisonette | Flat / maisonette | Nov 2025 | 689 sq ft £1,858/sq ft | 689 sq ft | £1,858 | £1,280,000 |
| 60, Rose Square Flat / maisonette | Flat / maisonette | Sept 2025 | 1,765 sq ft £2,068/sq ft | 1,765 sq ft | £2,068 | £3,650,000 |
| 47, Rose Square Flat / maisonette | Flat / maisonette | Apr 2025 | 1,991 sq ft £1,758/sq ft | 1,991 sq ft | £1,758 | £3,500,000 |
| 38, Rose Square Flat / maisonette | Flat / maisonette | Sept 2024 | 1,615 sq ft £1,610/sq ft | 1,615 sq ft | £1,610 | £2,600,000 |
| 62, Rose Square Flat / maisonette | Flat / maisonette | Dec 2023 | 1,399 sq ft £2,031/sq ft | 1,399 sq ft | £2,031 | £2,841,500 |
| 70, Rose Square Flat / maisonette | Flat / maisonette | Aug 2022 | 753 sq ft £2,522/sq ft | 753 sq ft | £2,522 | £1,900,000 |
| 65, Rose Square Flat / maisonette | Flat / maisonette | Jun 2022 | 1,798 sq ft £1,947/sq ft | 1,798 sq ft | £1,947 | £3,500,000 |
| 45, Rose Square Flat / maisonette | Flat / maisonette | Dec 2021 | 990 sq ft £2,206/sq ft | 990 sq ft | £2,206 | £2,185,000 |
All sales on Rose Square → All sold prices in Kensington and Chelsea →
Area insights
The neighbourhood around this property.



