South Kensington · sold prices
Onslow Square sold prices
Onslow Square has recorded 9 registered sales in South Kensington, with a median of £1.85m. Between £96,408 to £2.75m, the gap says more about lateral space and light than about the address itself. flats account for 89% of the record here; 9 of the most recent 9 sales were leasehold. The most recent registered sale went through on 23 Dec 2025.
- Registered sales
- 9
- Median
- £1.85m
- Lowest
- £96,408
- Highest
- £2.75m
Price history
Every registered sale
| Address | Date | Type | Tenure | Price paid |
|---|---|---|---|---|
| 20 Onslow SquareSW7 3NP | 23 Dec 2025 | flat | leasehold | £2.28m |
| 11 Onslow SquareSW7 3NJ | 20 Nov 2025 | flat | leasehold | £2.75m |
| MALVERN COURT Onslow SquareSW7 3HU | 2 Oct 2025 | flat | leasehold | £1.73m |
| 81 Onslow SquareSW7 3LT | 15 Aug 2025 | flat | leasehold | £2.50m |
| 14 Onslow SquareSW7 3NP | 25 Jun 2025 | flat | leasehold | £2.20m |
| MALVERN COURT Onslow SquareSW7 3HY | 5 Jun 2025 | flat | leasehold | £1.20m |
| MALVERN COURT Onslow SquareSW7 3HY | 25 Apr 2025 | flat | leasehold | £1.85m |
| MALVERN COURT Onslow SquareSW7 3HU | 11 Apr 2025 | other | leasehold | £96,408 |
| MALVERN COURT Onslow SquareSW7 3HU | 28 Mar 2025 | flat | leasehold | £1.49m |
Source: HM Land Registry Price Paid Data, latest registered sale 23 Dec 2025. Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Last registered transaction: 23 Dec 2025. For the wider picture see South Kensington house prices or the Onslow Square street guide.