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
4, Onslow Square, South Kensington, SW7 3NP	21 Aug 2024	£4,100,000 B	197 m² 2120 sqft	£20,812 £1,933	Other (2 bed)
Flat 10 14, Onslow Square, South Kensington, SW7 3NP	24 Jul 2024	£1,975,000	114 m² 1227 sqft	£17,324 £1,609	Flat (2 bed)
Flat 7 6, Onslow Square, South Kensington, SW7 3NP -	30 Jun 2021	£1,800,000	78 m² 839 sqft	£23,076 £2,143	Flat (2 bed)
Flat 5 20, Onslow Square, South Kensington, SW7 3NP	30 Jan 2017	£6,200,000 B			Other
Flat 8 14, Onslow Square, South Kensington, SW7 3NP -	20 Jul 2016	£3,600,000	122 m² 1313 sqft	£29,508 £2,741	Flat (2 bed)
Flat 6 14, Onslow Square, South Kensington, SW7 3NP	02 Nov 2015	£3,200,000	121 m² 1302 sqft	£26,446 £2,456	Flat (2 bed)
2, Onslow Square, South Kensington, SW7 3NP -	29 Apr 2015	£4,250,000	170 m² 1829 sqft	£25,000 £2,322	Flat (4 bed)
Flat 4 14, Onslow Square, South Kensington, SW7 3NP	25 Jul 2014	£1,999,000	122 m² 1313 sqft	£16,385 £1,522	Flat (3 bed)
Flat 4 6, Onslow Square, South Kensington, SW7 3NP -	11 Oct 2013	£2,950,000	120 m² 1291 sqft	£24,583 £2,283	Flat (3 bed)
Flat 6 6, Onslow Square, South Kensington, SW7 3NP -	18 Feb 2010	£1,030,000	127 m² 1367 sqft	£8,110 £753	Flat (4 bed)
Flat 3 14, Onslow Square, South Kensington, SW7 3NP -	15 Jan 2010	£2,600,000	116 m² 1248 sqft	£22,413 £2,082	Flat (3 bed)
2a, Onslow Square, South Kensington, SW7 3NP -	11 Feb 2008	£550,000	80 m² 861 sqft	£6,875 £638	Flat
Flat 9 20, Onslow Square, South Kensington, SW7 3NP	04 Jul 2006	£485,000	61 m² 656 sqft	£7,950 £738	Flat (1 bed)
Flat 9 14, Onslow Square, South Kensington, SW7 3NP -	25 Feb 2005	£725,000	110 m² 1184 sqft	£6,590 £612	Flat (3 bed)
Flat 6 20, Onslow Square, South Kensington, SW7 3NP -	15 Feb 2005	£100,000	128 m² 1377 sqft	£781 £72	Flat (3 bed)
Ground Floor Flat 8, Onslow Square, South Kensington, SW7 3NP	12 Feb 2004	£775,000			Flat
Flat 3 20, Onslow Square, South Kensington, SW7 3NP -	29 Jan 2004	£600,000	61 m² 656 sqft	£9,836 £913	Flat (1 bed)
8, Onslow Square, South Kensington, SW7 3NP -	20 Jun 2002	£600,000			Flat (3 bed)
Flat 1 20, Onslow Square, South Kensington, SW7 3NP	12 Jan 2001	£399,000			Flat (2 bed)
Flat 2 6, Onslow Square, South Kensington, SW7 3NP -	17 Nov 2000	£375,000			Flat
Flat 5 6, Onslow Square, South Kensington, SW7 3NP -	20 Nov 1996	£425,000	106 m² 1140 sqft	£4,009 £372	Flat (3 bed)
Flat 3 6, Onslow Square, South Kensington, SW7 3NP	16 Jun 1996	£370,000			Flat (2 bed)
Flat 1 14, Onslow Square, South Kensington, SW7 3NP -	29 Aug 1995	£440,000	118 m² 1270 sqft	£3,728 £346	Flat (3 bed)
4, Onslow Square	£4,100,000 B Aug-2024	197 2120	20,812 1,933
Flat 10 14, Onslow Square	£1,975,000 Jul-2024	114 1227	17,324 1,609
Flat 7 6, Onslow Square -	£1,800,000 Jun-2021	78 839	23,076 2,143
Flat 5 20, Onslow Square	£6,200,000 B Jan-2017
Flat 8 14, Onslow Square -	£3,600,000 Jul-2016	122 1313	29,508 2,741
Flat 6 14, Onslow Square	£3,200,000 Nov-2015	121 1302	26,446 2,456
2, Onslow Square -	£4,250,000 Apr-2015	170 1829	25,000 2,322
Flat 4 14, Onslow Square	£1,999,000 Jul-2014	122 1313	16,385 1,522
Flat 4 6, Onslow Square -	£2,950,000 Oct-2013	120 1291	24,583 2,283
Flat 6 6, Onslow Square -	£1,030,000 Feb-2010	127 1367	8,110 753
Flat 3 14, Onslow Square -	£2,600,000 Jan-2010	116 1248	22,413 2,082
2a, Onslow Square -	£550,000 Feb-2008	80 861	6,875 638
Flat 9 20, Onslow Square	£485,000 Jul-2006	61 656	7,950 738
Flat 9 14, Onslow Square -	£725,000 Feb-2005	110 1184	6,590 612
Flat 6 20, Onslow Square -	£100,000 Feb-2005	128 1377	781 72
Ground Floor Flat 8, Onslow Square	£775,000 Feb-2004
Flat 3 20, Onslow Square -	£600,000 Jan-2004	61 656	9,836 913
8, Onslow Square -	£600,000 Jun-2002
Flat 1 20, Onslow Square	£399,000 Jan-2001
Flat 2 6, Onslow Square -	£375,000 Nov-2000
Flat 5 6, Onslow Square -	£425,000 Nov-1996	106 1140	4,009 372
Flat 3 6, Onslow Square	£370,000 Jun-1996
Flat 1 14, Onslow Square -	£440,000 Aug-1995	118 1270	3,728 346

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 £15,415 sqm (£1,432 per sq ft), this is based on sold property prices of the 9 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 approximately 93 homes on Onslow Square, we would have expected about 13 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 9 property sales in Onslow Square, averaging approximately 2 home sales per year .
The average size of all the properties on Onslow Square is 103 m2 (1,108 sqft).