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 40 Orchard Court, Portman Square, Marble Arch, W1H 6LF	18 Sep 2023	£6,700,000 B	271 m² 2917 sqft	£24,723 £2,296	Flat (4 bed)
Flat 42 Orchard Court, Portman Square, Marble Arch, W1H 6LF -	29 Mar 2022	£5,400,000	249 m² 2680 sqft	£21,686 £2,014	Flat (4 bed)
Flat 34 Orchard Court, Portman Square, Marble Arch, W1H 6LF -	23 Feb 2017	£7,740,000	274 m² 2949 sqft	£28,248 £2,624	Flat (4 bed)
Flat 39 Orchard Court, Portman Square, Marble Arch, W1H 6LF -	18 Jun 2013	£5,750,000			Flat (4 bed)
Flat 35 Orchard Court, Portman Square, Marble Arch, W1H 6LF -	04 Nov 2003	£1,800,000			Flat (6 bed)
Flat 36 Orchard Court, Portman Square, Marble Arch, W1H 6LF	18 Jan 1995	£732,000			Flat (4 bed)
Flat 40 Orchard Court, Portman Square	£6,700,000 B Sep-2023	271 2917	24,723 2,296
Flat 42 Orchard Court, Portman Square -	£5,400,000 Mar-2022	249 2680	21,686 2,014
Flat 34 Orchard Court, Portman Square -	£7,740,000 Feb-2017	274 2949	28,248 2,624
Flat 39 Orchard Court, Portman Square -	£5,750,000 Jun-2013
Flat 35 Orchard Court, Portman Square -	£1,800,000 Nov-2003
Flat 36 Orchard Court, Portman Square	£732,000 Jan-1995

The data above for Portman 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 Portman Square, Marble Arch is £18,991 sqm (£1,764 per sq ft), this is calculated from the price paid of the 9 most recent sales.
There are approximately 127 homes on Portman Square, we would have expected roughly 18 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 Portman Square, averaging about 2 home sales per year .
The average size of all the properties on Portman Square is 103 m2 (1,108 sqft).