Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
Flat 1 73, Onslow Square, South Kensington, SW7 3LS	25 Oct 2024	£1,732,000 B	81 m² 871 sqft	£21,382 £1,986	Flat
Flat 2 69, Onslow Square, South Kensington, SW7 3LS	14 Jun 2024	£5,000,000	135 m² 1453 sqft	£37,037 £3,440	Flat (2 bed)
Flat 8 61, Onslow Square, South Kensington, SW7 3LS -	27 Sep 2023	£2,750,000	124 m² 1334 sqft	£22,177 £2,060	Flat (2 bed)
61a, Onslow Square, South Kensington, SW7 3LS	16 Sep 2022	£718,000			Flat
Flat 1 61, Onslow Square, South Kensington, SW7 3LS -	19 Mar 2018	£5,000,000	143 m² 1539 sqft	£34,965 £3,248	Flat (2 bed)
63, Onslow Square, South Kensington, SW7 3LS	30 Jan 2017	£3,000,000 B	126 m² 1356 sqft	£23,809 £2,211	Flat (2 bed)
Flat 5 61, Onslow Square, South Kensington, SW7 3LS	23 Mar 2015	£4,100,000 B	145 m² 1560 sqft	£28,275 £2,626	Other (3 bed)
Flat 6 69, Onslow Square, South Kensington, SW7 3LS -	22 Jul 2014	£2,900,000	149 m² 1603 sqft	£19,463 £1,808	Flat (3 bed)
61a, Onslow Square, South Kensington, SW7 3LS	11 Jun 2012	£525,000			Flat
Flat 1 69, Onslow Square, South Kensington, SW7 3LS	30 Mar 2012	£2,825,000	136 m² 1463 sqft	£20,772 £1,929	Flat (3 bed)
Flat 8 69, Onslow Square, South Kensington, SW7 3LS -	24 May 2011	£2,650,000	105 m² 1130 sqft	£25,238 £2,344	Flat (2 bed)
Flat 7 69, Onslow Square, South Kensington, SW7 3LS	20 Dec 2010	£2,601,000			Flat (2 bed)
Storeroom 3 Associated With Flat 3 69, Onslow Square, South Kensington, SW7 3LS	27 Feb 2009	£1,800,000			Flat
65a, Onslow Square, South Kensington, SW7 3LS	29 Mar 2007	£117,500			Flat
67a, Onslow Square, South Kensington, SW7 3LS -	29 Mar 2007	£248,000			Flat
Flat 5 69, Onslow Square, South Kensington, SW7 3LS	20 Apr 2006	£1,550,000			Flat (2 bed)
Flat 2 73, Onslow Square, South Kensington, SW7 3LS	21 Sep 2005	£231,809	80 m² 861 sqft	£2,897 £269	Flat
71, Onslow Square, South Kensington, SW7 3LS -	31 Jan 2005	£1,090,000	131 m² 1410 sqft	£8,320 £772	Flat (3 bed)
71a, Onslow Square, South Kensington, SW7 3LS	13 Jul 2001	£660,000			Flat (2 bed)
Flat 3 73, Onslow Square, South Kensington, SW7 3LS	12 Apr 2001	£390,000	69 m² 742 sqft	£5,652 £525	Flat
Flat 1 75, Onslow Square, South Kensington, SW7 3LS	10 Dec 1999	£595,000			Flat
Flat 4 61, Onslow Square, South Kensington, SW7 3LS	03 Apr 1997	£123,500			Flat
61a, Onslow Square, South Kensington, SW7 3LS	10 Jul 1995	£161,000			Flat
Flat 1 73, Onslow Square	£1,732,000 B Oct-2024	81 871	21,382 1,986
Flat 2 69, Onslow Square	£5,000,000 Jun-2024	135 1453	37,037 3,440
Flat 8 61, Onslow Square -	£2,750,000 Sep-2023	124 1334	22,177 2,060
61a, Onslow Square	£718,000 Sep-2022
Flat 1 61, Onslow Square -	£5,000,000 Mar-2018	143 1539	34,965 3,248
63, Onslow Square	£3,000,000 B Jan-2017	126 1356	23,809 2,211
Flat 5 61, Onslow Square	£4,100,000 B Mar-2015	145 1560	28,275 2,626
Flat 6 69, Onslow Square -	£2,900,000 Jul-2014	149 1603	19,463 1,808
61a, Onslow Square	£525,000 Jun-2012
Flat 1 69, Onslow Square	£2,825,000 Mar-2012	136 1463	20,772 1,929
Flat 8 69, Onslow Square -	£2,650,000 May-2011	105 1130	25,238 2,344
Flat 7 69, Onslow Square	£2,601,000 Dec-2010
Storeroom 3 Associated With Flat 3 69, Onslow Square	£1,800,000 Feb-2009
65a, Onslow Square	£117,500 Mar-2007
67a, Onslow Square -	£248,000 Mar-2007
Flat 5 69, Onslow Square	£1,550,000 Apr-2006
Flat 2 73, Onslow Square	£231,809 Sep-2005	80 861	2,897 269
71, Onslow Square -	£1,090,000 Jan-2005	131 1410	8,320 772
71a, Onslow Square	£660,000 Jul-2001
Flat 3 73, Onslow Square	£390,000 Apr-2001	69 742	5,652 525
Flat 1 75, Onslow Square	£595,000 Dec-1999
Flat 4 61, Onslow Square	£123,500 Apr-1997
61a, Onslow Square	£161,000 Jul-1995

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 £22,452 sqm (£2,085 per sq ft), this is calculated from the Land Registry price paid of the 6 most recent sales.
The majority of homes in South Kensington are now selling for between £14,320 and £20,830 per square metre (£1,330 and £1,935 per square foot) , find out more in this local analysis of SW7 3 (South Kensington) house prices.
There are about 60 homes on Onslow Square, we would have expected approximately 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 6 property sales in Onslow Square, averaging roughly 1 home sales per year .
The average size of all the properties on Onslow Square is 149 m2 (1,603 sqft).