Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area  Export table	Last sold	Price paid	Floor area	£ per square metre	Type	Paid	m2	£/m2
Flat 6 89, Onslow Square, South Kensington, SW7 3LT	03 Oct 2023	£2,600,000	114 sqm	£22,807	Flat (2 bed)
Flat 4 81, Onslow Square, South Kensington, SW7 3LT	29 Jun 2021	£3,325,000	134 sqm	£24,813	Flat (2 bed)
Flat 4 89, Onslow Square, South Kensington, SW7 3LT	29 Jan 2021	£2,450,000	106 sqm	£23,113	Flat (3 bed)
Flat 1 81, Onslow Square, South Kensington, SW7 3LT	05 Sep 2017	£632,000	108 sqm	£5,851	Flat (2 bed)
Flat 2 89, Onslow Square, South Kensington, SW7 3LT	10 Mar 2017	£2,500,000	106 sqm	£23,584	Flat (2 bed)
Flat 7 81, Onslow Square, South Kensington, SW7 3LT	24 Apr 2015	£4,250,000	176 sqm	£24,147	Flat (2 bed)
Flat 6 81, Onslow Square, South Kensington, SW7 3LT	15 Dec 2014	£3,950,000	134 sqm	£29,477	Flat (3 bed)
Flat 7 89, Onslow Square, South Kensington, SW7 3LT	25 Mar 2013	£1,850,000	101 sqm	£18,316	Flat (2 bed)
Flat 10 81, Onslow Square, South Kensington, SW7 3LT	18 Nov 2011	£2,625,000	143 sqm	£18,356	Flat (2 bed)
Flat 3 89, Onslow Square, South Kensington, SW7 3LT	07 Jan 2011	£2,250,000	123 sqm	£18,292	Flat (2 bed)
Flat 5 89, Onslow Square, South Kensington, SW7 3LT	19 Mar 2007	£1,685,000			Flat (1 bed)
Flat 5 81, Onslow Square, South Kensington, SW7 3LT	30 Jun 2006	£2,200,000	176 sqm	£12,500	Flat (3 bed)
Flat 8 81, Onslow Square, South Kensington, SW7 3LT	29 Apr 2004	£1,100,000			Flat (3 bed)
Flat 8 89, Onslow Square, South Kensington, SW7 3LT	31 Dec 2003	£1,100,000			Flat (2 bed)
Flat 9 77 - 85, Onslow Square, South Kensington, SW7 3LT	31 Mar 2003	£1,175,000			Flat
Flat 9 77 - 85, Onslow Square, South Kensington, SW7 3LT	03 Mar 2000	£650,000			Flat
Flat 3 81, Onslow Square, South Kensington, SW7 3LT	01 May 1997	£971,080			Flat (3 bed)
Flat 6 89, Onslow Square	£2,600,000 Oct-2023	114	22,807
Flat 4 81, Onslow Square	£3,325,000 Jun-2021	134	24,813
Flat 4 89, Onslow Square	£2,450,000 Jan-2021	106	23,113
Flat 1 81, Onslow Square	£632,000 Sep-2017	108	5,851
Flat 2 89, Onslow Square	£2,500,000 Mar-2017	106	23,584
Flat 7 81, Onslow Square	£4,250,000 Apr-2015	176	24,147
Flat 6 81, Onslow Square	£3,950,000 Dec-2014	134	29,477
Flat 7 89, Onslow Square	£1,850,000 Mar-2013	101	18,316
Flat 10 81, Onslow Square	£2,625,000 Nov-2011	143	18,356
Flat 3 89, Onslow Square	£2,250,000 Jan-2011	123	18,292
Flat 5 89, Onslow Square	£1,685,000 Mar-2007
Flat 5 81, Onslow Square	£2,200,000 Jun-2006	176	12,500
Flat 8 81, Onslow Square	£1,100,000 Apr-2004
Flat 8 89, Onslow Square	£1,100,000 Dec-2003
Flat 9 77 - 85, Onslow Square	£1,175,000 Mar-2003
Flat 9 77 - 85, Onslow Square	£650,000 Mar-2000
Flat 3 81, Onslow Square	£971,080 May-1997

The data above for Onslow Square can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Onslow Square, South Kensington is £23,960 sqm (£2,225 per sq ft), this is calculated from the Land Registry sold price of the 11 most recent sales.
The majority of homes in South Kensington are now selling for between £14,420 and £21,320 per square metre , find out more in this local analysis of SW7 3 (South Kensington) house prices.
There are approximately 60 homes on Onslow Square, we would have expected roughly 8 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 11 property sales in Onslow Square, averaging about 2 home sales per year .
The average size of all the properties on Onslow Square is 149 m2 (1,603 sqft).

*Land Registry 'Category B: Additional Price Paid entry'.