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
5, Castle Close, Sunbury-On-Thames, TW16 7DU -	03 Nov 2025	£330,000	64 m² 688 sqft	£5,156 £479	Flat (2 bed)
12, Castle Close, Sunbury-On-Thames, TW16 7DU -	30 Oct 2025	£276,500	64 m² 688 sqft	£4,320 £401	Flat (2 bed)
10, Castle Close, Sunbury-On-Thames, TW16 7DU	25 Mar 2025	£250,000	54 m² 581 sqft	£4,629 £430	Flat (2 bed)
1, Castle Close, Sunbury-On-Thames, TW16 7DU -	31 Jan 2023	£315,000	52 m² 559 sqft	£6,057 £562	Flat (2 bed)
16, Castle Close, Sunbury-On-Thames, TW16 7DU -	09 May 2022	£295,000	55 m² 592 sqft	£5,363 £498	Flat (2 bed)
14, Castle Close, Sunbury-On-Thames, TW16 7DU -	29 Oct 2021	£256,000	61 m² 656 sqft	£4,196 £389	Flat (2 bed)
7, Castle Close, Sunbury-On-Thames, TW16 7DU -	18 Apr 2016	£275,000	53 m² 570 sqft	£5,188 £481	Flat (2 bed)
11, Castle Close, Sunbury-On-Thames, TW16 7DU -	24 Jul 2015	£274,000	63 m² 678 sqft	£4,349 £404	Flat (2 bed)
2, Castle Close, Sunbury-On-Thames, TW16 7DU -	10 Aug 2012	£184,000	56 m² 602 sqft	£3,285 £305	Flat (2 bed)
3, Castle Close, Sunbury-On-Thames, TW16 7DU -	15 Sep 2010	£185,000	60 m² 645 sqft	£3,083 £286	Flat (2 bed)
15, Castle Close, Sunbury-On-Thames, TW16 7DU -	07 May 2010	£187,000	51 m² 548 sqft	£3,666 £340	Flat (2 bed)
9, Castle Close, Sunbury-On-Thames, TW16 7DU	05 Apr 2002	£132,950	48 m² 516 sqft	£2,769 £257	Flat (2 bed)
13, Castle Close, Sunbury-On-Thames, TW16 7DU	20 Sep 1998	£78,000	60 m² 645 sqft	£1,300 £120	Flat (2 bed)
5, Castle Close -	£330,000 Nov-2025	64 688	5,156 479
12, Castle Close -	£276,500 Oct-2025	64 688	4,320 401
10, Castle Close	£250,000 Mar-2025	54 581	4,629 430
1, Castle Close -	£315,000 Jan-2023	52 559	6,057 562
16, Castle Close -	£295,000 May-2022	55 592	5,363 498
14, Castle Close -	£256,000 Oct-2021	61 656	4,196 389
7, Castle Close -	£275,000 Apr-2016	53 570	5,188 481
11, Castle Close -	£274,000 Jul-2015	63 678	4,349 404
2, Castle Close -	£184,000 Aug-2012	56 602	3,285 305
3, Castle Close -	£185,000 Sep-2010	60 645	3,083 286
15, Castle Close -	£187,000 May-2010	51 548	3,666 340
9, Castle Close	£132,950 Apr-2002	48 516	2,769 257
13, Castle Close	£78,000 Sep-1998	60 645	1,300 120

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

The average price per square metre (per square foot) in Castle Close, Sunbury-On-Thames is £5,105 sqm (£474 per sq ft), this is based on the selling price of the 5 most recent sales.
The majority of homes in Sunbury-On-Thames are now selling for between £4,280 and £5,620 per square metre (£397 and £522 per square foot) , find out more in this local analysis of TW16 7 (Sunbury-On-Thames) house prices.
There are about 13 homes on Castle Close, we would have expected about 1 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 5 property sales in Castle Close, averaging about 1 home sales per year .
The average size of all the properties on Castle Close is 58 m2 (624 sqft).