1 bed flat for sale Onslow Square, London, SW7
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About this property
Situated on the third floor of an attractive period building with lift access, this beautifully presented apartment combines the elegance of classic architecture with the comfort and finish of contemporary living. The property has been finished to a high standard throughout, creating a stylish and welcoming home in one of South Kensington’s most sought-after garden squares. A particular highlight is the impressive open-plan kitchen and reception room, providing a versatile space that is equally well suited to relaxing and entertaining.
Floorplan
Price guide
£1,799 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 Square, London, SW7, SW7 3NS
- 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 £900,000 mortgage. Most lenders would want a household income of about £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 SW7 3NS. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Flat 1, 24, Onslow Square Flat / maisonette | Flat / maisonette | Mar 2024 | 764 sq ft £2,264/sq ft | 764 sq ft | £2,264 | £1,730,000 |
| Flat 3, 24, Onslow Square Flat / maisonette | Flat / maisonette | Mar 2021 | 775 sq ft £2,194/sq ft | 775 sq ft | £2,194 | £1,700,000 |
| Flat 2, 38, Onslow Square Flat / maisonette | Flat / maisonette | May 2020 | 840 sq ft £7,980/sq ft | 840 sq ft | £7,980 | £6,700,000 |
| Flat 1, 38, Onslow Square Flat / maisonette | Flat / maisonette | Jun 2018 | 1,216 sq ft £2,466/sq ft | 1,216 sq ft | £2,466 | £3,000,000 |
| Flat 5, 24, Onslow Square Flat / maisonette | Flat / maisonette | May 2018 | — | — | — | £1,950,000 |
| Flat 10, 32, Onslow Square Flat / maisonette | Flat / maisonette | Mar 2016 | — | — | — | £1,088,900 |
| Flat 5, 38, Onslow Square Flat / maisonette | Flat / maisonette | Nov 2014 | 1,152 sq ft £2,822/sq ft | 1,152 sq ft | £2,822 | £3,250,000 |
| Flat 3, 38, Onslow Square Flat / maisonette | Flat / maisonette | May 2014 | 1,335 sq ft £2,922/sq ft | 1,335 sq ft | £2,922 | £3,900,000 |
All sales on Onslow Square → All sold prices in Kensington and Chelsea →
Area insights
The neighbourhood around this property.



