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Get started39 Helen Avenue is a three-bedroom semi-detached house in Feltham (TW14 9LA). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (November 2022) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £524,000 is 10.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£566/sq ft) was about 141.9% above the typical sold price in the postcode. At 78 m² it's 17.9% smaller than the typical home in the postcode (95 m² median across 23 EPCs). Most recent transfer: June 2023 at £475,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
39 Helen Avenue valuation sits well clear of the typical sold price in this postcode.
£524,000
Modelled from EPC, postcode comparables.
£475,000
Recorded with HM Land Registry.
On floor area, 39 Helen Avenue runs well behind the street norm.
Price per m²
£6,090
Street avg £3,618
Floor Area
78 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 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

23 June 2023Most recent
£475,000
Median price across the last 5 sales in TW14 9LA: £455,000 (2025–2021).
CO₂ Emissions
3.4 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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