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 2 43, Onslow Square, South Kensington, SW7 3LR -	10 Jul 2023	£3,750,000	198 m² 2131 sqft	£18,939 £1,759	Flat (3 bed)
57, Onslow Square, South Kensington, SW7 3LR	30 Sep 2022	£17,000,000 B			Other
Flat 3 55, Onslow Square, South Kensington, SW7 3LR	22 Jul 2022	£3,725,000 B	204 m² 2195 sqft	£18,259 £1,696	Flat (3 bed)
Flat 3 43, Onslow Square, South Kensington, SW7 3LR	20 Sep 2021	£4,100,000	199 m² 2142 sqft	£20,603 £1,914	Flat (3 bed)
47, Onslow Square, South Kensington, SW7 3LR -	18 Dec 2020	£4,950,000	189 m² 2034 sqft	£26,190 £2,433	Flat (2 bed)
Flat 7 55, Onslow Square, South Kensington, SW7 3LR -	30 May 2014	£3,150,000	140 m² 1506 sqft	£22,500 £2,090	Flat (3 bed)
Flat 1 43, Onslow Square, South Kensington, SW7 3LR	20 Dec 2013	£5,100,000	204 m² 2195 sqft	£25,000 £2,322	Flat (3 bed)
Flat 4 43, Onslow Square, South Kensington, SW7 3LR	24 Oct 2011	£4,350,000	174 m² 1872 sqft	£25,000 £2,322	Flat (2 bed)
Flat 2 55, Onslow Square, South Kensington, SW7 3LR -	02 Sep 2011	£4,490,000	142 m² 1528 sqft	£31,619 £2,937	Flat (2 bed)
39, Onslow Square, South Kensington, SW7 3LR -	25 Nov 2010	£3,250,000	192 m² 2066 sqft	£16,927 £1,572	Flat (3 bed)
Flat 6 55, Onslow Square, South Kensington, SW7 3LR	14 Aug 2009	£2,150,000	163 m² 1754 sqft	£13,190 £1,225	Flat (4 bed)
Flat 4 51, Onslow Square, South Kensington, SW7 3LR -	22 May 2009	£2,300,000	128 m² 1377 sqft	£17,968 £1,669	Flat (3 bed)
Flat 9 51, Onslow Square, South Kensington, SW7 3LR	06 Jun 2007	£950,000			Flat (1 bed)
Flat 49, Onslow Square, South Kensington, SW7 3LR	18 Oct 2006	£875,000			Flat
41, Onslow Square, South Kensington, SW7 3LR -	02 May 2006	£2,675,000	277 m² 2981 sqft	£9,657 £897	Flat (3 bed)
Flat 6 51, Onslow Square, South Kensington, SW7 3LR -	25 Nov 2005	£985,000	127 m² 1367 sqft	£7,755 £720	Flat (3 bed)
Flat 3 51, Onslow Square, South Kensington, SW7 3LR	20 Aug 2002	£550,000			Flat (1 bed)
Ground Floor Flat 59, Onslow Square, South Kensington, SW7 3LR	08 Jan 2001	£1,000,000			Flat
Flat 5 43, Onslow Square, South Kensington, SW7 3LR -	16 May 2000	£953,155			Flat (4 bed)
Flat 1 51, Onslow Square, South Kensington, SW7 3LR	09 Nov 1999	£140,000			Flat
Ground Floor Flat 59, Onslow Square, South Kensington, SW7 3LR	09 Apr 1996	£122,500			Flat
Flat 2 59 - 75, Onslow Square, South Kensington, SW7 3LR	13 Feb 1995	£673,000			Flat
Flat 5 55, Onslow Square, South Kensington, SW7 3LR -	19 Jan 1995	£800,000	227 m² 2443 sqft	£3,524 £327	Flat (3 bed)
Flat 2 43, Onslow Square -	£3,750,000 Jul-2023	198 2131	18,939 1,759
57, Onslow Square	£17,000,000 B Sep-2022
Flat 3 55, Onslow Square	£3,725,000 B Jul-2022	204 2195	18,259 1,696
Flat 3 43, Onslow Square	£4,100,000 Sep-2021	199 2142	20,603 1,914
47, Onslow Square -	£4,950,000 Dec-2020	189 2034	26,190 2,433
Flat 7 55, Onslow Square -	£3,150,000 May-2014	140 1506	22,500 2,090
Flat 1 43, Onslow Square	£5,100,000 Dec-2013	204 2195	25,000 2,322
Flat 4 43, Onslow Square	£4,350,000 Oct-2011	174 1872	25,000 2,322
Flat 2 55, Onslow Square -	£4,490,000 Sep-2011	142 1528	31,619 2,937
39, Onslow Square -	£3,250,000 Nov-2010	192 2066	16,927 1,572
Flat 6 55, Onslow Square	£2,150,000 Aug-2009	163 1754	13,190 1,225
Flat 4 51, Onslow Square -	£2,300,000 May-2009	128 1377	17,968 1,669
Flat 9 51, Onslow Square	£950,000 Jun-2007
Flat 49, Onslow Square	£875,000 Oct-2006
41, Onslow Square -	£2,675,000 May-2006	277 2981	9,657 897
Flat 6 51, Onslow Square -	£985,000 Nov-2005	127 1367	7,755 720
Flat 3 51, Onslow Square	£550,000 Aug-2002
Ground Floor Flat 59, Onslow Square	£1,000,000 Jan-2001
Flat 5 43, Onslow Square -	£953,155 May-2000
Flat 1 51, Onslow Square	£140,000 Nov-1999
Ground Floor Flat 59, Onslow Square	£122,500 Apr-1996
Flat 2 59 - 75, Onslow Square	£673,000 Feb-1995
Flat 5 55, Onslow Square -	£800,000 Jan-1995	227 2443	3,524 327

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 sold property prices 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 roughly 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 approximately 1 home sales per year .
The average size of all the properties on Onslow Square is 149 m2 (1,603 sqft).