3 bed flat for sale Onslow Gardens, South Kensington, London, SW7 3BU
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About this property
Exceptional apartment in South Kensington with Private Garden Access. Occupying part of the lower-ground and ground floors of a Grade II listed, stucco-fronted townhouse dating from the mid-19th century, this elegant apartment enjoys once of the area’s most sought-after positions. Approached through a traditional entrance, the building makes an immediate impression, with wrought iron railings framing the steps to the front door.
Floorplan
Price guide
£1,786 per sq ft, above the middle of recent sales in SW7 (£899–£2,307, 10th–90th percentile, 360 sales over 24 months).
Lowest and highest are the 10th and 90th percentiles of 360 homes sold in SW7 over the last 24 months. This home's figure uses its asking price. All sold £/sq ft in SW7 →
Location
Onslow Gardens, South Kensington, London, SW7 3BU
- 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 £3,217,000 mortgage. Most lenders would want a household income of about £715,000 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 SW7 3BU. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Flat 5, 83 - 85, Onslow Gardens Flat / maisonette | Flat / maisonette | Jul 2024 | 807 sq ft £2,230/sq ft | 807 sq ft | £2,230 | £1,800,000 |
| Flat 5, 91, Onslow Gardens Flat / maisonette | Flat / maisonette | Oct 2022 | 732 sq ft £669/sq ft | 732 sq ft | £669 | £490,000 |
| Flat 5, 89, Onslow Gardens Flat / maisonette | Flat / maisonette | Dec 2019 | 721 sq ft £901/sq ft | 721 sq ft | £901 | £650,000 |
| Flat 4, 89, Onslow Gardens Flat / maisonette | Flat / maisonette | Jan 2017 | 721 sq ft £1,262/sq ft | 721 sq ft | £1,262 | £910,000 |
| Flat B, 79 - 81, Onslow Gardens Flat / maisonette | Flat / maisonette | Jun 2016 | — | — | — | £465,000 |
| Flat 8, 83 - 85, Onslow Gardens Flat / maisonette | Flat / maisonette | Dec 2015 | 1,442 sq ft £2,080/sq ft | 1,442 sq ft | £2,080 | £3,000,000 |
| Flat 5, 83 - 85, Onslow Gardens Flat / maisonette | Flat / maisonette | Nov 2014 | 807 sq ft £2,056/sq ft | 807 sq ft | £2,056 | £1,659,500 |
| Flat C, 79 - 81, Onslow Gardens Flat / maisonette | Flat / maisonette | May 2014 | — | — | — | £705,000 |
All sales on Onslow Gardens → All sold prices in Kensington and Chelsea →
Area insights
The neighbourhood around this property.



