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About 21 Helen Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Helen Avenue is a three-bedroom semi-detached house in Feltham (TW14 9LA). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (September 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2015. Between certificates, window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 78).
Today's modelled estimate of £561,000 sits 51.2% above the 2015 sale of £371,000. On a £-per-square-foot basis, the last sale (£355/sq ft) was about 52% above the typical sold price in the postcode. Last changed hands 11 years ago, in September 2015.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Sept 2025
EPC Rating
A
B
C
D
D64
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.7 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Helen Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£561,000
Modelled from EPC, postcode comparables.
Last sold (2015)
£371,000
Recorded with HM Land Registry.
Sales timeline
Versus other Helen Avenue homes
Four headline reads against 23 similar houses on this street, drawn from the latest EPC and Land Registry data.
Price per m²
£3,825
Street avg £3,732
Floor Area
97 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Feltham district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around TW14 9LA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
54.1dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 60 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Helen Avenue, Feltham, TW14 9LA. Each answer is also embedded as structured data for search engines.