12 Blenheim Way, Isleworth, TW7 5TB
About 12 Blenheim Way
12 Blenheim Way is a two-bedroom mid-terrace house in Isleworth (TW7 5TB). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (August 2021) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 89).
Untraded for 26 years, with the last transfer in August 2000. Across 1996–2000, sale prices on this property compounded at -5.3% per year. Today's modelled estimate of £469,000 sits 594.8% above the 2000 sale of £67,500. On a £-per-square-foot basis, the last sale (£81/sq ft) was about 83.8% below the postcode norm. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).
Know exactly what you're buying at 12 Blenheim Way
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
What this property has
Inside
- Bedrooms2
Outside
- ParkingOff road
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Floor insulation added or improved
More low energy lighting installed
Ventilation system changed
Planning history
12 Blenheim Way has an approved single-storey rear extension on the planning record.
- Jun 2018ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension to the house
- Documents
- 6 docs on file
- Reference
- P/2018/1633
We flagged 2 things worth checking at 12 Blenheim Way
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
12 Blenheim Way's modelled value sits at over four times its earliest registered sale price (1996).
£469,000
Modelled from EPC, postcode comparables and a sale-price growth of -5.3% per year over 4 years.
£67,500
Growth on file: -5.3% per year over 4 years.
Sales timeline
9 August 2000Most recent
£67,500
-20.6%over 4 years30 May 1996
£85,000
Median price across the last 5 sales in TW7 5TB: £123,750 (2022–2003).
Everything we know about 12 Blenheim Way, 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
Versus other Blenheim Way homes
On epc rating, 12 Blenheim Way stands well clear of the street.
EPC Rating
77 (C)
Street avg 59 (D)
Floor Area
77 m²
Street avg 79 m²
CO₂ Emissions
1.8 t/year
Street avg 3.6 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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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
Turnpike Way — bus stop.
Closest school
0.1 km
Marlborough Primary School. 39 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
54.0dB
Night-time· 23:00 – 07:00
45.3dB