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Get started45 Helen Avenue is a three-bedroom semi-detached house in Feltham (TW14 9LA). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2018) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 7.8% per year against 0% for the wider region. Today's modelled estimate of £581,000 is 22.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£449/sq ft) was about 88.8% above the typical sold price in the postcode. Last sale on file: £473,500 in October 2018. One historical planning record sits against the property in 2007.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension: Single storey · Rear of property
Certificate of lawfulness for the erection of a single storey rear extension to house.
Sale price has grown by over 3x since 2001.
£581,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 17 years.
£473,500
Growth on file: 7.8% per year over 17 years.
Habitable Rooms for 45 Helen Avenue runs comfortably ahead of the street norm.
Price per m²
£4,832
Street avg £3,681
Floor Area
98 m²
Street avg 93 m²
Habitable Rooms
6 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

12 October 2018Most recent
£473,500
+265.6%over 17 years8 June 2001
£129,500
Median price across the last 5 sales in TW14 9LA: £475,000 (2025–2023).
Street avg 5 rooms
CO₂ Emissions
4.0 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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