Our Data Sources
3, St. Marys Close, Sunbury-On-Thames has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 3, St. Marys Close, Sunbury-On-Thames would be worth £584,262, with a potential rental value of £2,116 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £517,489, with a rental value of £1,874 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3, St. Marys Close, Sunbury-On-Thames occupies a 223 m2 plot as recorded by HM Land Registry.
All 9 other houses in this postcode have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
3, St. Marys Close, Sunbury-On-Thames has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Feb 2026.
The property is connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 122 sales of comparable properties within 970 metres of 3, St. Marys Close, Sunbury-On-Thames across the last 2 years.
Most recently, 51, Montford Road, Sunbury-On-Thames, TW16 6EJ, a freehold house, sold at £460,000 on the 30th October 2025.
Read more about house prices in TW16.
- Sold Oct 2025£460,000 | 3 Bed House51, Montford Road, Sunbury-On-Thames, TW16 6EJ51, Montford Road, Sunbury-On-Thames, TW16 6EJ
- Sold Aug 2024£489,000 | 3 Bed House25, Montford Road, Sunbury-On-Thames, TW16 6EJ25, Montford Road, Sunbury-On-Thames, TW16 6EJ
- Sold Mar 2021£498,000 | 3 Bed House12, Montford Road, Sunbury-On-Thames, TW16 6EJ12, Montford Road, Sunbury-On-Thames, TW16 6EJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 3, St. Marys Close, Sunbury-On-Thames as the 9th largest and the 8th most expensive of the 9 addresses on St. Marys Close, Sunbury-On-Thames, TW16.
Against the TW16 postcode district average, it is £43k more expensive than the typical property.
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Schools Nearby
- Hawkedale Primary School600 m away
- St Ignatius Catholic Primary School1.3 km away
- Chennestone Primary School1.3 km away
- The Bishop Wand Church of England School1.0 km away
- Heathside Walton-on-Thames1.0 km away
- St Paul's Catholic College1.2 km away
More reading links
Public Transport Nearby
- Upper Halliford|1.4 km away
- Sunbury|1.6 km away
- Kempton Park|2.0 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Low risk of flooding.












