Our Data Sources
21, Allen Road, Sunbury-On-Thames has 2 entries in the Land Registry , most recently in March 2025 and a single entry in the EPC database dated October 2024.
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 21, Allen Road, Sunbury-On-Thames would be worth £528,886, with a potential rental value of £2,319 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £468,442, with a rental value of £2,054 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Allen Road, Sunbury-On-Thames occupies a 153 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 21st largest.
Energy Efficiency
21, Allen Road, Sunbury-On-Thames has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Oct 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Allen Road, Sunbury-On-Thames last changed hands on 25th March 2025, selling for £499,950. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 0.8% since March 2025.
- Sold Mar 2025£499,950
- Sold Jul 2013£315,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 710 metres of 21, Allen Road, Sunbury-On-Thames across the last 2 years.
Most recently, 8, Batavia Road, Sunbury-On-Thames, TW16 5NB, a freehold house, sold at £520,000 on the 31st March 2025.
Read more about house prices in TW16.
- Sold Mar 2025£520,000 | 3 Bed House8, Batavia Road, Sunbury-On-Thames, TW16 5NB8, Batavia Road, Sunbury-On-Thames, TW16 5NB
- Sold Apr 2024£490,000 | 4 Bed House186, Staines Road East, Sunbury-On-Thames, TW16 5AY186, Staines Road East, Sunbury-On-Thames, TW16 5AY
- Sold Oct 2022£470,000 | 4 Bed House192, Staines Road East, Sunbury-On-Thames, TW16 5AY192, Staines Road East, Sunbury-On-Thames, TW16 5AY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Allen Road, Sunbury-On-Thames as the 3rd largest and the 5th most expensive of the 38 addresses on Allen Road, Sunbury-On-Thames, TW16.
Against the TW16 postcode district average, it is £4k less expensive than the typical property.
More reading links
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.
