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Get started1 Summer Trees is a four-bedroom detached house in Sunbury On Thames (TW16 5DY). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (July 2019) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since May 2009. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 72).
Held since August 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 10.6% per year against 0% for the wider region. Today's modelled estimate of £709,000 sits 93.5% above the 2005 sale of £366,500. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 16.1% below the postcode norm.
1 Summer Trees's carbon output runs well above what efficient homes in the postcode produce.
Sale price has at least doubled since 1996.
£709,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 9 years.
£366,500
Growth on file: 10.6% per year over 9 years.
EPC Rating for 1 Summer Trees lags the street by a wide margin.
EPC Rating
56 (D)
Street avg 64 (D)
Floor Area
126 m²
Street avg 131 m²
CO₂ Emissions
6.2 t/year
Street avg 5.0 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
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 August 2005Most recent
£366,500
+24.2%over 4 years17 November 2000
£295,000
+103.4%over 4 years31 May 1996
£145,000
Median price across the last 5 sales in TW16 5DY: £503,000 (2025–2000).
Habitable Rooms
5 rooms
Street avg 5 rooms
TW16 5DU
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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