Our Data Sources
5, Castle Close, Sunbury-On-Thames has 4 entries in the Land Registry, most recently in November 2025 and a single entry in the EPC database dated January 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 5, Castle Close, Sunbury-On-Thames, we estimate a market value of £310,626 and a rental value of £1,608 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £275,126 and £1,424 per month respectively.
Energy Efficiency
5, Castle Close, Sunbury-On-Thames has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).
Sold Prices
The most recent sale of 5, Castle Close, Sunbury-On-Thames completed on 3rd November 2025 at £330,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold 4 times.
Values of comparable properties have risen by 10.5% over the period since November 2025.
- Sold Nov 2025£330,000
- Sold May 2020£286,000
- Sold Aug 2014£230,000
Similar Properties Sold Nearby
Since 2021 261 properties similar to 5, Castle Close, Sunbury-On-Thames have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th May 2026, was 16, Castle Close, Sunbury-On-Thames, TW16 7DU, a leasehold flat which sold for £295,000.
Read more about house prices in TW16.
- Sold May 2026£295,000 | 2 Bed Flat16, Castle Close, Sunbury-On-Thames, TW16 7DU16, Castle Close, Sunbury-On-Thames, TW16 7DU
- Sold Mar 2026£142,500 | 2 Bed Flat1, Cedar Way, Sunbury-On-Thames, TW16 7BL1, Cedar Way, Sunbury-On-Thames, TW16 7BL
- Sold Oct 2025£276,500 | 2 Bed Flat12, Castle Close, Sunbury-On-Thames, TW16 7DU12, Castle Close, Sunbury-On-Thames, TW16 7DU
- Sold Sep 2025£300,000 | 2 Bed Flat11, Castle Close, Sunbury-On-Thames, TW16 7DU11, Castle Close, Sunbury-On-Thames, TW16 7DU
- Sold Apr 2025£325,000 | 2 Bed Flat31A, Warren Road, Ashford, TW15 1TU31A, Warren Road, Ashford, TW15 1TU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £319,116, ranging from £252,389 to £521,400.
- 4 Castle Close
2 Bed Flat | 6 m | Est. Value: £316,563
- 3 Castle Close
2 Bed Flat | 6 m | Est. Value: £285,417
- 7 Castle Close
2 Bed Flat | 7 m | Est. Value: £264,695
- 8 Castle Close
2 Bed Flat | 7 m | Est. Value: £280,109
- 2 Castle Close
3 Bed Flat | 13 m | Est. Value: £415,534
Location Comparison
Of the 16 addresses on Castle Close, Sunbury-On-Thames, TW16, 5, Castle Close, Sunbury-On-Thames comes out as the 4th largest and the 5th most expensive in our analysis of the public data.
It is also £220k less expensive than the average property across the TW16 district.
More reading links
Schools Nearby
- Springfield Primary School700 m away
- Meadhurst Primary School800 m away
- St Ignatius Catholic Primary School1.0 km away
- The Bishop Wand Church of England School1.1 km away
- St Paul's Catholic College1.2 km away
- Heathside Walton-on-Thames3.0 km away
More reading links
Public Transport Nearby
- Sunbury|800 m away
- Upper Halliford|800 m away
- Kempton Park|1.3 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












