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
29, Castelnau, Barnes, SW13 9RS	29 Aug 2025	£8,100,000	531 m² 5715 sqft	£15,254 £1,417	Detached (1 bed)
39, Castelnau, Barnes, SW13 9RS -	01 Dec 2015	£6,150,000	368 m² 3961 sqft	£16,711 £1,552	Semi-D (6 bed)
37, Castelnau, Barnes, SW13 9RS -	02 Dec 2011	£3,336,800	364 m² 3918 sqft	£9,167 £851	Semi-D (6 bed)
31, Castelnau, Barnes, SW13 9RS -	18 Apr 1997	£525,000	267 m² 2873 sqft	£1,966 £182	Semi-D (5 bed)
29, Castelnau	£8,100,000 Aug-2025	531 5715	15,254 1,417
39, Castelnau -	£6,150,000 Dec-2015	368 3961	16,711 1,552
37, Castelnau -	£3,336,800 Dec-2011	364 3918	9,167 851
31, Castelnau -	£525,000 Apr-1997	267 2873	1,966 182

The data above for Castelnau can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Castelnau, Barnes is £11,515 sqm (£1,069 per sq ft), this is from the Land Registry price paid of the 14 most recent sales.
The majority of homes in Ravenscourt Park are now selling for between £8,650 and £12,040 per square metre (£803 and £1,118 per square foot) , find out more in this local analysis of SW13 9 (Ravenscourt Park) house prices.
There are roughly 75 homes on Castelnau, we would have expected about 10 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 14 property sales in Castelnau, averaging roughly 3 home sales per year .
The average size of all the properties on Castelnau is 195 m2 (2,098 sqft).