Our Data Sources
20, Allen Road, Sunbury-On-Thames has 41 entries in the Land Registry , most recently in July 2022 and a single entry in the EPC database dated October 2021.
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
In very good condition, we estimate 20, Allen Road, Sunbury-On-Thames would be worth £451,281, with a potential rental value of £2,086 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £399,706, with a rental value of £1,847 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Allen Road, Sunbury-On-Thames occupies a 173 m2 plot as recorded by HM Land Registry.
Of the 38 other houses in this postcode, 25 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
20, Allen Road, Sunbury-On-Thames has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Oct 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
20, Allen Road, Sunbury-On-Thames last changed hands on 21st July 2022, selling for £434,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has dropped by 0.7% since July 2022.
- Sold Jul 2022£434,000
- Sold Jul 2011£230,000
- Sold Jun 2006£218,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 700 metres of 20, Allen Road, Sunbury-On-Thames across the last 2 years.
Most recently, 19, Allen Road, Sunbury-On-Thames, TW16 5LS, a freehold house, sold at £440,000 on the 22nd July 2025.
Read more about house prices in TW16.
- Sold Jul 2025£440,000 | 3 Bed House19, Allen Road, Sunbury-On-Thames, TW16 5LS19, Allen Road, Sunbury-On-Thames, TW16 5LS
- Sold Nov 2022£400,000 | 3 Bed House7, Allen Road, Sunbury-On-Thames, TW16 5LS7, Allen Road, Sunbury-On-Thames, TW16 5LS
- Sold Feb 2022£380,000 | 3 Bed House27, Allen Road, Sunbury-On-Thames, TW16 5LS27, Allen Road, Sunbury-On-Thames, TW16 5LS
•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 20, Allen Road, Sunbury-On-Thames as the 22nd largest and the 23rd most expensive of the 38 addresses on Allen Road, Sunbury-On-Thames, TW16.
Against the TW16 postcode district average, it is £78k less expensive than the typical property.
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Schools Nearby
- 200mChennestone Primary School
- 700mBeauclerc Infant and Nursery School
- 800mSt Ignatius Catholic Primary School
- 600mSt Paul's Catholic College
- 1.4kmThe Bishop Wand Church of England School
- 1.9kmHeathside Walton-on-Thames
More reading links
Public Transport Nearby
- 900mKempton Park
- 1.0kmSunbury
- 1.7kmUpper Halliford
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 very low risk of flooding.
