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

£1.0m£2.0mMar 2025Jun 2025Aug 2025Oct 2025Dec 2025Date of saleSale price (£)28 Mar 2025 · £1.49m11 Apr 2025 · £96,40825 Apr 2025 · £1.85m5 Jun 2025 · £1.20m25 Jun 2025 · £2.20m15 Aug 2025 · £2.50m2 Oct 2025 · £1.73m20 Nov 2025 · £2.75m23 Dec 2025 · £2.28m
Registered sale prices (vertical axis) plotted against date of sale (horizontal axis) — 28 Mar 2025 to 23 Dec 2025, £96,408£2.75m. Source: HM Land Registry Price Paid Data.

Every registered sale

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.

Last registered transaction: 23 Dec 2025. For the wider picture see South Kensington house prices or the Onslow Square street guide.