South Kensington · SW7 · SW5

Onslow Square

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.

For a wider view of the market around it, see South Kensington house prices — currently near £1,580 per square foot.

Registered sales
9
Median price paid
£1.85m
Range
£96,408£2.75m

Recent sold prices on Onslow Square

Registered sales on Onslow Square
AddressDateTypeTenurePrice paid
20 Onslow SquareSW7 3NP23 Dec 2025flatleasehold£2.28m
11 Onslow SquareSW7 3NJ20 Nov 2025flatleasehold£2.75m
MALVERN COURT Onslow SquareSW7 3HU2 Oct 2025flatleasehold£1.73m
81 Onslow SquareSW7 3LT15 Aug 2025flatleasehold£2.50m
14 Onslow SquareSW7 3NP25 Jun 2025flatleasehold£2.20m
MALVERN COURT Onslow SquareSW7 3HY5 Jun 2025flatleasehold£1.20m
MALVERN COURT Onslow SquareSW7 3HY25 Apr 2025flatleasehold£1.85m
MALVERN COURT Onslow SquareSW7 3HU11 Apr 2025otherleasehold£96,408
MALVERN COURT Onslow SquareSW7 3HU28 Mar 2025flatleasehold£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.

Full price history: Onslow Square sold prices

Check your home’s value →