21 Allen Road, Sunbury-On-Thames, TW16 5LS is a freehold terraced property built between 1950-1966. The property offers approximately 1,109 square feet of living space. In this location, properties of similar size usually have four bedrooms.

The estimated current market value of the property is £489,135 , which equates to approximately £441 per square foot. It was last sold on 25 Mar 2025 for £499,950. Since then, the value has decreased by £10,815, representing a 2.2% decrease, or approximately 3.1% per year.

The current estimated value of £489,135 is:

  • 9.9% higher than the average property price on Allen Road
  • 0.9% lower than the average in the TW16 5LS postcode area
  • and 16.9% lower than the average price for Sunbury-On-Thames as a whole

Based on EPC inspection history, this property has been mostly owner-occupied (3 out of 3 inspections). This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 1 October 2024, the property was recorded as owner-occupied.

View sold house prices in TW16 5LS

Building approximate location

About Property

Type
Terraced House
Built
1950-1966
Interior Size
1109 sq ft
Tenure
Freehold
Price (estimate)
£489,135
Price Per sq ft (estimate)
£441
Bedroom Count (estimate)
4 bedrooms

EPC Summary

21 Allen Road, Sunbury-On-Thames, Spelthorne, Surrey, TW16 5LS has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 1 Oct 2024.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 6 Mar 2013, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 4.4%.

Since the previous assessment, several changes were observed:

  • The wall construction or insulation changed from cavity wall, as built, no insulation (assumed) to solid brick, as built, no insulation (assumed), changing energy efficiency from poor to very poor.
  • The lighting was updated from no low energy lighting to low energy lighting in all fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, no insulation (assumed)
Very Poor
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to TW16 5LS

9 th / 22
Price Rank
1% lower than average
3 rd / 18
Size Rank
22% bigger than average
17 th / 18
Price Per Sq FT Rank
19% lower than average

Compared to other properties in TW16 5LS , this house's estimated value ranks 9th out of 22. Based on price per square foot, it ranks 17th out of 18 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 3rd out of 18 properties in its postcode area.

Sale History

Today
£489,135
streetscan.co.uk estimate
-2 %
25 Mar 2025
£499,950
Leasehold
+58.7 %
9 Jul 2013
£315,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 958 sq ft
sale price: £435,000
sale date: 26 May 2017

Data Sources

The property at 21 Allen Road, Sunbury-On-Thames, TW16 5LS appears two times in the Land Registry records, with the latest transaction recorded on 25 Mar 2025. It also has three Energy Performance Certificates (EPC) entries, the earliest dating back to 1 Oct 2024. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.