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Get started3 Summer Trees is a detached house in Sunbury On Thames (TW16 5DY). It has a recorded floor area of 145 m² (around 1561 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (May 2017) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in June 2016 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 79).
Sale prices here have outpaced England HPI: 10.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£572/sq ft) was about 160.7% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved. At 145 m² it's 15.1% larger than the typical home in the postcode (126 m² median across 3 EPCs). Last sale on file: £893,000 in August 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Extension: Side and rear of property
Erection of a two storey side extension and single storey rear extension.
Latest sale on 3 Summer Trees was the highest on Land Registry record across the postcode.
£888,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 6 years.
£893,000
Growth on file: 10.5% per year over 6 years.
3 Summer Trees outperforms the street on floor area by a wide margin.
EPC Rating
66 (D)
Street avg 61 (D)
Floor Area
145 m²
Street avg 125 m²
CO₂ Emissions
5.1 t/year
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Avenue — bus stop.

Daytime· 07:00 – 23:00
55.7dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Pine Group G1 Reduce 2 lowest limbs growing towards property by 30%.
26 August 2022Most recent
£893,000
+77.5%over 3 years24 May 2019
£503,000
25 November 2016
£502,000
Median price across the last 5 sales in TW16 5DY: £295,000 (2025–1997).
Street avg 5.3 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
TW16 5LG
Closest school
0.4 km
St Paul's Catholic College. 30 schools nearby.
Night-time· 23:00 – 07:00
47.3dB
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