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Get started19 Cassiobury Avenue is a two-bedroom mid-terrace house in Feltham (TW14 9JE). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2015) shows a C (score 69), just inside the C band. When first surveyed in May 2013 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and main heating went from Poor to Good; while roof efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 88). The latest certificate is from September 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 7.3% per year against 0% for the wider region. Today's modelled estimate of £413,000 is 23.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£479/sq ft) was about 69.3% above the typical sold price in the postcode. Sold March 2020 for £335,000. One historical planning record sits against the property in 2013.
This certificate is over 10 years old and is no longer valid.Expired 01 Sept 2025
Extension: Single storey · Rear of property
Erection of a single storey rear extension to the house
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£413,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 7 years.
£335,000
Growth on file: 7.3% per year over 7 years.
Price per m²
£5,154
Street avg £4,233
Floor Area
65 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cassiobury Avenue — bus stop.

Daytime· 07:00 – 23:00
51.3dB

Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 March 2020Most recent
£335,000
+59.5%over 6 years12 August 2013
£210,000
Median price across the last 5 sales in TW14 9JE: £425,000 (2025–2022).
CO₂ Emissions
2.4 t/year
Street avg 3.1 t/year
TW14 9DL
Closest school
0.1 km
Rivers Academy West London. 22 schools nearby.
Night-time· 23:00 – 07:00
43.0dB
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