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
109a, Onslow Square, South Kensington, SW7 3LU	17 Sep 2024	£1,275,000			Flat
Flat 3 93, Onslow Square, South Kensington, SW7 3LU	28 Jun 2024	£2,100,000			Flat
Flat 9 105, Onslow Square, South Kensington, SW7 3LU -	13 Jan 2023	£5,500,000	338 m² 3638 sqft	£16,272 £1,511	Flat (3 bed)
Flat 3 97, Onslow Square, South Kensington, SW7 3LU -	30 Jun 2021	£2,300,000	65 m² 699 sqft	£35,384 £3,287	Flat (1 bed)
Flat 12 105, Onslow Square, South Kensington, SW7 3LU -	07 Apr 2021	£2,500,000	154 m² 1657 sqft	£16,233 £1,508	Flat (3 bed)
Flat 10 97, Onslow Square, South Kensington, SW7 3LU	14 Aug 2019	£950,000 B	173 m² 1862 sqft	£5,491 £510	Flat (3 bed)
Flat 9 97, Onslow Square, South Kensington, SW7 3LU	14 Aug 2019	£1,550,000 B	99 m² 1065 sqft	£15,656 £1,454	Flat (3 bed)
Flat 4 97, Onslow Square, South Kensington, SW7 3LU -	17 May 2019	£5,575,497	212 m² 2281 sqft	£26,299 £2,443	Flat (3 bed)
Ground Floor Flat 101, Onslow Square, South Kensington, SW7 3LU	23 Oct 2017	£2,650,000			Flat
97a, Onslow Square, South Kensington, SW7 3LU	23 Jan 2017	£1,300,000			Flat
Flat 1 105, Onslow Square, South Kensington, SW7 3LU -	09 Apr 2014	£1,765,000	70 m² 753 sqft	£25,214 £2,342	Flat (2 bed)
Flat 5 97, Onslow Square, South Kensington, SW7 3LU -	06 Dec 2013	£2,800,000	98 m² 1054 sqft	£28,571 £2,654	Flat (2 bed)
Flat 13 105, Onslow Square, South Kensington, SW7 3LU -	27 Sep 2013	£1,742,500	85 m² 914 sqft	£20,500 £1,904	Flat (2 bed)
Flat 7 97, Onslow Square, South Kensington, SW7 3LU -	14 Jun 2013	£2,850,000	120 m² 1291 sqft	£23,750 £2,206	Flat (2 bed)
Flat 2 105, Onslow Square, South Kensington, SW7 3LU -	30 Mar 2012	£1,500,000	63 m² 678 sqft	£23,809 £2,211	Flat (2 bed)
105a, Onslow Square, South Kensington, SW7 3LU	12 Aug 2010	£484,600			Flat
Flat 11 105, Onslow Square, South Kensington, SW7 3LU	11 Aug 2008	£1,050,000			Flat
Ground Floor Flat 101, Onslow Square, South Kensington, SW7 3LU	01 Aug 2007	£1,802,555			Flat
Flat 10 105, Onslow Square, South Kensington, SW7 3LU	01 Jun 2007	£1,400,000			Flat
Flat 8 97, Onslow Square, South Kensington, SW7 3LU	23 Sep 2004	£1,650,000	174 m² 1872 sqft	£9,482 £880	Flat (4 bed)
Flat 3 105, Onslow Square, South Kensington, SW7 3LU	06 May 2004	£2,500,000			Flat
Flat 5 105, Onslow Square, South Kensington, SW7 3LU	25 Apr 2002	£550,000			Flat
Flat 3 93, Onslow Square, South Kensington, SW7 3LU	16 Apr 2002	£835,000			Flat
Flat 4 105, Onslow Square, South Kensington, SW7 3LU	28 Jan 2002	£800,000			Flat (3 bed)
109a, Onslow Square, South Kensington, SW7 3LU	20 Sep 2001	£111,250			Flat
Flat 6 105, Onslow Square, South Kensington, SW7 3LU -	28 Feb 2000	£1,600,000	153 m² 1646 sqft	£10,457 £971	Flat (4 bed)
Flat 6 97, Onslow Square, South Kensington, SW7 3LU	15 Feb 1999	£1,135,000			Flat (3 bed)
109a, Onslow Square	£1,275,000 Sep-2024
Flat 3 93, Onslow Square	£2,100,000 Jun-2024
Flat 9 105, Onslow Square -	£5,500,000 Jan-2023	338 3638	16,272 1,511
Flat 3 97, Onslow Square -	£2,300,000 Jun-2021	65 699	35,384 3,287
Flat 12 105, Onslow Square -	£2,500,000 Apr-2021	154 1657	16,233 1,508
Flat 10 97, Onslow Square	£950,000 B Aug-2019	173 1862	5,491 510
Flat 9 97, Onslow Square	£1,550,000 B Aug-2019	99 1065	15,656 1,454
Flat 4 97, Onslow Square -	£5,575,497 May-2019	212 2281	26,299 2,443
Ground Floor Flat 101, Onslow Square	£2,650,000 Oct-2017
97a, Onslow Square	£1,300,000 Jan-2017
Flat 1 105, Onslow Square -	£1,765,000 Apr-2014	70 753	25,214 2,342
Flat 5 97, Onslow Square -	£2,800,000 Dec-2013	98 1054	28,571 2,654
Flat 13 105, Onslow Square -	£1,742,500 Sep-2013	85 914	20,500 1,904
Flat 7 97, Onslow Square -	£2,850,000 Jun-2013	120 1291	23,750 2,206
Flat 2 105, Onslow Square -	£1,500,000 Mar-2012	63 678	23,809 2,211
105a, Onslow Square	£484,600 Aug-2010
Flat 11 105, Onslow Square	£1,050,000 Aug-2008
Ground Floor Flat 101, Onslow Square	£1,802,555 Aug-2007
Flat 10 105, Onslow Square	£1,400,000 Jun-2007
Flat 8 97, Onslow Square	£1,650,000 Sep-2004	174 1872	9,482 880
Flat 3 105, Onslow Square	£2,500,000 May-2004
Flat 5 105, Onslow Square	£550,000 Apr-2002
Flat 3 93, Onslow Square	£835,000 Apr-2002
Flat 4 105, Onslow Square	£800,000 Jan-2002
109a, Onslow Square	£111,250 Sep-2001
Flat 6 105, Onslow Square -	£1,600,000 Feb-2000	153 1646	10,457 971
Flat 6 97, Onslow Square	£1,135,000 Feb-1999

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 based on the selling price 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 about 1 home sales per year .
The average size of all the properties on Onslow Square is 149 m2 (1,603 sqft).