495a, London Road, Isleworth, TW7 4DA
About 495a
495a is an end-of-terrace house in Isleworth (TW7 4DA). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 2003-2006 and council tax band B. At 72 m² this is the smallest unit on EPC record across the building (72–111 m²). The building's EPC ratings span G to C across 5 units on file. The latest certificate (March 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since June 2018. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Very Poor to Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 76). Main heating runs on electricity.
3 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 72 m² it's 25.4% smaller than the typical home in the postcode (97 m² median across 4 EPCs).
Know exactly what you're buying at 495a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
Low energy lighting percentage decreased
Hot water system upgraded
More low energy lighting installed
Planning history
495a has 3 separate extension applications on the council record.
- Mar 2017ExtensionFullIn report
Erection of a rear roof extension to first floor flat with two roof windows to front elevation.
- Reference
- P/2017/0437
- Dec 2016ExtensionFullIn report
Erection of a rear roof extension to first floor flat with two roof windows to front elevation
- Documents
- 2 docs on file
- Reference
- P/2016/5234
We flagged 2 things worth checking at 495a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
495a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£310,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TW7 4DA: £276,000 (2020–2007).
Nearby sales in TW7 4DA
Everything we know about 495a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Isleworth Station / Rennels Way — bus stop.
Closest school
0.2 km
West Thames College. 46 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
54.1dB
Night-time· 23:00 – 07:00
43.6dB