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Get started9 Helen Avenue is a three-bedroom semi-detached house in Feltham (TW14 9LA). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2021) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
Sale prices here have outpaced England HPI: 5.7% per year against 0% for the wider region. Today's modelled estimate of £520,000 is 16.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£486/sq ft) was about 104.6% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Sold June 2021 for £445,000. 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.
Sale price has grown by over 3x since 2000.
£520,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 21 years.
£445,000
Growth on file: 5.7% per year over 21 years.
9 Helen Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£5,235
Street avg £3,661
Floor Area
85 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Harlington Road East — bus stop.

Daytime· 07:00 – 23:00
54.1dB

28 June 2021Most recent
£445,000
+224.9%over 21 years14 April 2000
£136,950
Median price across the last 5 sales in TW14 9LA: £475,000 (2025–2023).
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.4 t/year
TW14 9XF
Closest school
0.7 km
Sparrow Farm Primary School. 30 schools nearby.
Night-time· 23:00 – 07:00
45.8dB
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