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Get started3 Dunnell Close is a two-bedroom semi-detached house in Sunbury On Thames (TW16 6PX). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (February 2025) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since November 2009. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. At 64 m² this is the 7th smallest of 14 units on EPC record in the building, where floor areas span 54–119 m². The building's EPC ratings span C to B, with this unit at the top.
It hasn't traded since December 2009, a hold of 16 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £318,000 is 42% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 16.7% below the postcode norm.
3 Dunnell Close's carbon output is low for the local stock.
Latest sale on 3 Dunnell Close was the lowest on Land Registry record across the postcode.
£318,000
Modelled from EPC, postcode comparables.
£224,000
Recorded with HM Land Registry.
3 Dunnell Close outperforms the street on years held by a wide margin.
Price per m²
£3,500
Street avg £4,578
Floor Area
64 m²
Street avg 67 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Ignatius Church — bus stop.

Daytime· 07:00 – 23:00
56.7dB

Changes detected from historical EPC data
Hot water efficiency decreased
Floor insulation added or improved
More low energy lighting installed
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4 December 2009Most recent
£224,000
Median price across the last 5 sales in TW16 6PX: £545,000 (2024–2018).
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.2 t/year
TW16 6EP
Closest school
0.2 km
St Ignatius Catholic Primary School. 21 schools nearby.
Night-time· 23:00 – 07:00
47.9dB
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