Our Data Sources
1, Castle Close, Sunbury-On-Thames has a single entry in the Land Registry from January 2023 and a single entry in the EPC database dated October 2022.
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 1, Castle Close, Sunbury-On-Thames, we estimate a market value of £276,922 and a rental value of £1,474 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £245,274 and £1,306 per month respectively.
Energy Efficiency
1, Castle Close, Sunbury-On-Thames has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Oct 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 1, Castle Close, Sunbury-On-Thames completed on 31st January 2023 at £315,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 9.9% over the period since January 2023.
- Sold Jan 2023£315,000
Similar Properties Sold Nearby
Since 2010 141 properties similar to 1, Castle Close, Sunbury-On-Thames have sold within a radius of 480 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 Apr 2026£170,000 | 2 Bed Flat12 Grantham House, Percy Bryant Road, Sunbury-On-Thames, TW16 7BU12 Grantham House, Percy Bryant Road, Sunbury-On-Thames, TW16 7BU
- Sold Mar 2026£142,500 | 2 Bed Flat1, Cedar Way, Sunbury-On-Thames, TW16 7BL1, Cedar Way, Sunbury-On-Thames, TW16 7BL
- Sold Dec 2025£210,000 | 2 Bed Flat30, Crownage Court 99, Staines Road West, Sunbury-On-Thames, TW16 7FG30, Crownage Court 99, Staines Road West, Sunbury-On-Thames, TW16 7FG
- Sold Mar 2025£250,000 | 2 Bed Flat10, Castle Close, Sunbury-On-Thames, TW16 7DU10, Castle Close, Sunbury-On-Thames, TW16 7DU
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 £331,493, ranging from £252,389 to £521,400.
- 2 Castle Close
3 Bed Flat | 0 m | Est. Value: £415,534
- 4 Castle Close
2 Bed Flat | 7 m | Est. Value: £316,563
- 3 Castle Close
2 Bed Flat | 7 m | Est. Value: £285,417
- 5 Castle Close
2 Bed Flat | 13 m | Est. Value: £295,834
- 7 Castle Close
2 Bed Flat | 20 m | Est. Value: £264,695
Location Comparison
Of the 16 addresses on Castle Close, Sunbury-On-Thames, TW16, 1, Castle Close, Sunbury-On-Thames comes out as the 14th largest and the 14th most expensive in our analysis of the public data.
It is also £252k less expensive than the average property across the TW16 district.
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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.





