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Get started21 Kilmiston Avenue is a three-bedroom detached house in Shepperton (TW17 9DL). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2017) shows a C (score 74). The recommended improvements would push it to B (score 82). Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 3.7% per year against 0% for the wider region. Today's modelled estimate of £697,000 is 14.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£472/sq ft) was about 21.1% above the typical sold price in the postcode. One planning record on file: an extension approved in 2006. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. At 120 m² it's 22.5% larger than the typical home in the postcode (98 m² median across 23 EPCs). Its energy rating outperforms most of the postcode (better than 78% of similar EPCs). Last sale on file: £610,000 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Extension: Single storey · Side of property
Erection of single storey side extension and loft conversion including 3 roof dormer additions and erection of a new roof.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£697,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 18 years.
£610,000
Growth on file: 3.7% per year over 18 years.
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On epc rating, 21 Kilmiston Avenue stands well clear of the street.
Price per m²
£5,083
Street avg £5,212
Floor Area
120 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Manygate Lane — bus stop.

Daytime· 07:00 – 23:00
52.5dB

23 June 2021Most recent
£610,000
+92.1%over 17 years29 August 2003
£317,500
Median price across the last 5 sales in TW17 9DL: £710,000 (2024–2021).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 5.0 t/year
TW17 9LE
Closest school
0.2 km
Thamesmead School. 17 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
44.0dB