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Get startedFlat 5 is a property in Sunbury On Thames (TW16 5BB). It has a recorded floor area of 79 m² (around 850 sq ft) and construction records dating it to 2003-2006. At 79 m² this is the largest unit on EPC record across the building (60–79 m²). The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (79 versus a best of 81). The latest certificate (June 2025) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (July 2015); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average.
On a £-per-square-foot basis, the last sale (£441/sq ft) was about 30% above the typical sold price in the postcode. Last sale on file: £375,000 in August 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Flat 5's carbon output is low for the local stock.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£375,000
Modelled from EPC, postcode comparables.
£375,000
Recorded with HM Land Registry.
Habitable Rooms for Flat 5 lags the street by a wide margin.
Price per m²
£4,747
Street avg £5,168
Floor Area
79 m²
Street avg 63 m²
Habitable Rooms
2 rooms
Street avg 3 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
The Avenue — bus stop.

Daytime· 07:00 – 23:00
54.5dB

Changes detected from historical EPC data
Roof insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
31 August 2021Most recent
£375,000
Median price across the last 5 sales in TW16 5BB: £650,000 (2025–2021).
62 Staines Road East Sunbury On Thames
Sold Aug 2025
82 Staines Road East Sunbury On Thames
Sold Dec 2022
90 Staines Road East Sunbury On Thames
Sold Aug 2021
Flat 1 90 Staines Road East Sunbury On Thames
Sold Aug 2021
Flat 4 90 Staines Road East Sunbury On Thames
Sold Aug 2021
CO₂ Emissions
1.5 t/year
Street avg 2.3 t/year
TW16 5DH
Closest school
0.5 km
St Paul's Catholic College. 28 schools nearby.
Night-time· 23:00 – 07:00
46.4dB
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