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 49 Orchard Court, Portman Square, Marble Arch, W1H 6LG	29 Nov 2019	£8,437,500 B			Flat (6 bed)
Flat 50 Orchard Court, Portman Square, Marble Arch, W1H 6LG	29 Nov 2019	£8,812,500 B	308 m² 3315 sqft	£28,612 £2,658	Flat (5 bed)
Flat 55 Orchard Court, Portman Square, Marble Arch, W1H 6LG	25 Sep 2002	£1,075,000			Flat (3 bed)
Flat 51 Orchard Court, Portman Square, Marble Arch, W1H 6LG -	07 Aug 2001	£2,100,000	357 m² 3842 sqft	£5,882 £546	Flat (6 bed)
Flat 52 Orchard Court, Portman Square, Marble Arch, W1H 6LG	30 Apr 1996	£1,375,000			Flat (4 bed)
Flat 49 Orchard Court, Portman Square	£8,437,500 B Nov-2019
Flat 50 Orchard Court, Portman Square	£8,812,500 B Nov-2019	308 3315	28,612 2,658
Flat 55 Orchard Court, Portman Square	£1,075,000 Sep-2002
Flat 51 Orchard Court, Portman Square -	£2,100,000 Aug-2001	357 3842	5,882 546
Flat 52 Orchard Court, Portman Square	£1,375,000 Apr-1996

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 from the price paid of the 9 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 9 property sales in Portman Square, averaging roughly 2 home sales per year .
The average size of all the properties on Portman Square is 103 m2 (1,108 sqft).