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 40 Orchard Court, Portman Square, Marble Arch, W1H 6LF	18 Sep 2023	£6,700,000 B	271 sqm	£24,723	Flat (4 bed)
Flat 42 Orchard Court, Portman Square, Marble Arch, W1H 6LF -	29 Mar 2022	£5,400,000	249 sqm	£21,686	Flat (4 bed)
Flat 34 Orchard Court, Portman Square, Marble Arch, W1H 6LF -	23 Feb 2017	£7,740,000	274 sqm	£28,248	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	24,723
Flat 42 Orchard Court, Portman Square -	£5,400,000 Mar-2022	249	21,686
Flat 34 Orchard Court, Portman Square -	£7,740,000 Feb-2017	274	28,248
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 £19,889 sqm (£1,847 per sq ft), this is based on the selling price of the 12 most recent sales.
There are about 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 12 property sales in Portman Square, averaging about 3 home sales per year .
The average size of all the properties on Portman Square is 102 m2 (1,097 sqft).

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