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Get started31 Helen Avenue is a semi-detached house in Feltham (TW14 9LA). It has a recorded floor area of 98 m² (around 1056 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (December 2009) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). The latest certificate is from December 2009, so improvements made since then won't be reflected.
Untraded for 16 years, with the last transfer in February 2010. Today's modelled estimate of £509,000 sits 92.1% above the 2010 sale of £265,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).
31 Helen Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 03 Dec 2019
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Single storey · Rear of property
Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 3.00 metres high to the eaves
31 Helen Avenue valuation sits well clear of the typical sold price in this postcode.
£509,000
Modelled from EPC, postcode comparables.
£265,000
Recorded with HM Land Registry.
On epc rating, 31 Helen Avenue runs well behind the street norm.
Price per m²
£2,701
Street avg £3,788
Floor Area
98 m²
Street avg 93 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

Certificate of lawfulness for the erection of a rear roof extension with a hip to gable conversion and front roof windows
19 February 2010Most recent
£265,000
Median price across the last 5 sales in TW14 9LA: £475,000 (2025–2023).
CO₂ Emissions
6.7 t/year
Street avg 4.3 t/year
TW14 9LZ
Closest school
0.7 km
Sparrow Farm Primary School. 30 schools nearby.
Night-time· 23:00 – 07:00
45.8dB
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