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Get started11 Allen Road is a two-bedroom mid-terrace house in Sunbury On Thames (TW16 5LS). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2015) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in April 2013 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 6.8% per year against 0% for the wider region. Most recent transfer: June 2021 at £380,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 10 Jun 2025
11 Allen Road saw 3 transfers in just over a decade — high turnover for the postcode.
£414,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 8 years.
£380,000
Growth on file: 6.8% per year over 8 years.
On floor area, 11 Allen Road runs well behind the street norm.
Price per m²
£5,278
Street avg £4,895
Floor Area
72 m²
Street avg 83 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Bowater Gardens — bus stop.

Daytime· 07:00 – 23:00
50.8dB

Changes detected from historical EPC data
Upgraded to gas central heating
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 June 2021Most recent
£380,000
+29.9%over 6 years28 July 2014
£292,500
+29.4%over 1 year15 July 2013
£226,000
Median price across the last 5 sales in TW16 5LS: £440,000 (2025–2022).
CO₂ Emissions
2.8 t/year
Street avg 2.3 t/year
TW16 5JP
Closest school
0.2 km
Chennestone Primary School. 22 schools nearby.
Night-time· 23:00 – 07:00
42.1dB
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