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Get started21 Aragon Close is a four-bedroom detached house in Sunbury On Thames (TW16 7JR). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (December 2019) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The home occupies a corner plot.
At 93 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 and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £610,000 is 22% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£499/sq ft) was about 55.3% above the typical sold price in the postcode. Most recent transfer: August 2020 at £500,000.
21 Aragon Close has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Proposed Single Storey Rear Extension
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£610,000
Modelled from EPC, postcode comparables.
£500,000
Recorded with HM Land Registry.
21 Aragon Close outperforms the street on habitable rooms by a wide margin.
Price per m²
£5,376
Street avg £4,784
Floor Area
93 m²
Street avg 64 m²
Habitable Rooms
7 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 · Rear of property
Erection of a single storey rear extension and converting integral garage into habitable accomodation
17 August 2020Most recent
£500,000
Median price across the last 5 sales in TW16 7JR: £465,000 (2025–2021).
Street avg 3 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.1 t/year
TW16 7PN
Closest school
0.7 km
Kenyngton Manor Primary School. 29 schools nearby.
Night-time· 23:00 – 07:00
46.6dB
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