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Get started20 Aragon Close is a four-bedroom detached house in Sunbury On Thames (TW16 7JR). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (February 2022) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
Sale prices here have outpaced England HPI: 6.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£559/sq ft) was about 70.7% above the typical sold price in the postcode. At 108 m² the property is well over the postcode median (44 m² across 19 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold September 2022 for £650,000. 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.
20 Aragon Close has an approved single-storey side extension on the planning record.
Roof alteration comprising increase in height of roof over existing first floor extension and erection of rear facing dormer.
Latest sale on 20 Aragon Close was the highest on Land Registry record across the postcode.
£678,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 24 years.
£650,000
Growth on file: 6.1% per year over 24 years.
20 Aragon Close outperforms the street on price per m² by a wide margin.
Price per m²
£6,019
Street avg £4,744
Floor Area
108 m²
Street avg 64 m²
Habitable Rooms
6 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
Green Lane — bus stop.

Daytime· 07:00 – 23:00
56.0dB

Extension: Single storey · Side of property
Erection of a first floor side extension to the existing property.
26 September 2022Most recent
£650,000
+311.4%over 24 years18 September 1998
£158,000
Median price across the last 5 sales in TW16 7JR: £280,000 (2025–2021).
Street avg 3 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.1 t/year
TW16 7QA
Closest school
0.7 km
Kenyngton Manor Primary School. 29 schools nearby.
Night-time· 23:00 – 07:00
46.6dB
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