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 12 25, Onslow Square, South Kensington, SW7 3NJ	11 Oct 2024	£560,000	116 sqm	£4,827	Flat (3 bed)
Flat 12 27, Onslow Square, South Kensington, SW7 3NH	17 Apr 2024	£1,400,000	90 sqm	£15,555	Flat (2 bed)
Flat 1 24, Onslow Square, South Kensington, SW7 3NS	06 Mar 2024	£1,730,000	71 sqm	£24,366	Flat (2 bed)
Flat 14 27, Onslow Square, South Kensington, SW7 3NH	09 Feb 2024	£1,493,500	93 sqm	£16,059	Flat (2 bed)
Flat 2 27, Onslow Square, South Kensington, SW7 3NH	20 Nov 2023	£1,050,000	67 sqm	£15,671	Flat (2 bed)
Flat 11 25, Onslow Square, South Kensington, SW7 3NJ	28 Jul 2023	£1,600,000	94 sqm	£17,021	Flat (2 bed)
Flat 3 23, Onslow Square, South Kensington, SW7 3NJ	19 May 2023	£2,800,000 B	124 sqm	£22,580	Flat
Flat 1 17, Onslow Square, South Kensington, SW7 3NJ	05 Aug 2022	£3,600,000 B	116 sqm	£31,034	Flat
Flat 11 27, Onslow Square, South Kensington, SW7 3NH	10 Mar 2022	£1,130,000 B	71 sqm	£15,915	Flat (2 bed)
Flat 6 27, Onslow Square, South Kensington, SW7 3NH	14 Oct 2021	£430,000 B	101 sqm	£4,257	Flat (2 bed)
Flat 10 14, Onslow Square, South Kensington, SW7 3NP	01 Sep 2021	£525,000 B	114 sqm	£4,605	Flat (2 bed)
Flat 7 6, Onslow Square, South Kensington, SW7 3NP	30 Jun 2021	£1,800,000	78 sqm	£23,076	Flat (2 bed)
Flat 4 46, Onslow Square, South Kensington, SW7 3NX	31 Mar 2021	£4,750,000 B	171 sqm	£27,777	Flat (3 bed)
Flat 3 24, Onslow Square, South Kensington, SW7 3NS	30 Mar 2021	£1,700,000	72 sqm	£23,611	Flat (2 bed)
Flat 1 1, Onslow Square, South Kensington, SW7 3NJ	22 Mar 2021	£2,300,000			Flat
Flat 1a 25, Onslow Square, South Kensington, SW7 3NJ	27 Oct 2020	£560,000	33 sqm	£16,969	Flat (1 bed)
Flat 2 38, Onslow Square, South Kensington, SW7 3NS	21 May 2020	£6,700,000			Flat (4 bed)
Flat 2 52, Onslow Square, South Kensington, SW7 3NX	31 Oct 2018	£2,650,000 B	113 sqm	£23,451	Flat (2 bed)
Flat 1 38, Onslow Square, South Kensington, SW7 3NS	28 Jun 2018	£3,000,000	113 sqm	£26,548	Flat (2 bed)
Flat 5 24, Onslow Square, South Kensington, SW7 3NS	25 May 2018	£1,950,000	72 sqm	£27,083	Flat (2 bed)
Flat 3 32, Onslow Square, South Kensington, SW7 3NS	08 Dec 2017	£7,550,000 B			Flat (3 bed)
Flat 10 27, Onslow Square, South Kensington, SW7 3NH	15 Sep 2017	£1,700,000	95 sqm	£17,894	Flat (2 bed)
Flat 2 23, Onslow Square, South Kensington, SW7 3NJ	30 Mar 2017	£2,720,000	117 sqm	£23,247	Flat
Garage, Onslow Square, South Kensington, SW7 3NJ	31 Jan 2017	£40,000,000 B			Other
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 sqm	£29,508	Flat (2 bed)
Flat 2 44, Onslow Square, South Kensington, SW7 3NX	08 Jun 2016	£4,140,000	130 sqm	£31,846	Flat
19, Onslow Square, South Kensington, SW7 3NJ -	24 Mar 2016	£4,400,000 B	145 sqm	£30,344	Flat (3 bed)
Flat 10 32, Onslow Square, South Kensington, SW7 3NS	21 Mar 2016	£1,088,900			Flat (2 bed)
Flat 1 46, Onslow Square, South Kensington, SW7 3NX	19 Feb 2016	£2,550,000 B	101 sqm	£25,247	Flat (2 bed)
Flat 12 25, Onslow Square	£560,000 Oct-2024	116	4,827
Flat 12 27, Onslow Square	£1,400,000 Apr-2024	90	15,555
Flat 1 24, Onslow Square	£1,730,000 Mar-2024	71	24,366
Flat 14 27, Onslow Square	£1,493,500 Feb-2024	93	16,059
Flat 2 27, Onslow Square	£1,050,000 Nov-2023	67	15,671
Flat 11 25, Onslow Square	£1,600,000 Jul-2023	94	17,021
Flat 3 23, Onslow Square	£2,800,000 B May-2023	124	22,580
Flat 1 17, Onslow Square	£3,600,000 B Aug-2022	116	31,034
Flat 11 27, Onslow Square	£1,130,000 B Mar-2022	71	15,915
Flat 6 27, Onslow Square	£430,000 B Oct-2021	101	4,257
Flat 10 14, Onslow Square	£525,000 B Sep-2021	114	4,605
Flat 7 6, Onslow Square	£1,800,000 Jun-2021	78	23,076
Flat 4 46, Onslow Square	£4,750,000 B Mar-2021	171	27,777
Flat 3 24, Onslow Square	£1,700,000 Mar-2021	72	23,611
Flat 1 1, Onslow Square	£2,300,000 Mar-2021
Flat 1a 25, Onslow Square	£560,000 Oct-2020	33	16,969
Flat 2 38, Onslow Square	£6,700,000 May-2020
Flat 2 52, Onslow Square	£2,650,000 B Oct-2018	113	23,451
Flat 1 38, Onslow Square	£3,000,000 Jun-2018	113	26,548
Flat 5 24, Onslow Square	£1,950,000 May-2018	72	27,083
Flat 3 32, Onslow Square	£7,550,000 B Dec-2017
Flat 10 27, Onslow Square	£1,700,000 Sep-2017	95	17,894
Flat 2 23, Onslow Square	£2,720,000 Mar-2017	117	23,247
Garage, Onslow Square	£40,000,000 B Jan-2017
Flat 5 20, Onslow Square	£6,200,000 B Jan-2017
Flat 8 14, Onslow Square	£3,600,000 Jul-2016	122	29,508
Flat 2 44, Onslow Square	£4,140,000 Jun-2016	130	31,846
19, Onslow Square -	£4,400,000 B Mar-2016	145	30,344
Flat 10 32, Onslow Square	£1,088,900 Mar-2016
Flat 1 46, Onslow Square	£2,550,000 B Feb-2016	101	25,247

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 £17,523 sqm (£1,627 per sq ft), this is calculated from the Land Registry price paid of the 8 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 about 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 8 property sales in Onslow Square, averaging about 2 home sales per year .
The average size of all the properties on Onslow Square is 104 m2 (1,119 sqft).

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