22 Blenheim Way, Isleworth, TW7 5TB
About 22 Blenheim Way
22 Blenheim Way is a three-bedroom semi-detached house in Isleworth (TW7 5TB). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (February 2026) returns a B (score 82), comfortably above the UK average. When first surveyed in February 2018 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Very Good and hot-water efficiency went from Poor to Very Good. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £626,000 is 21.6% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£532/sq ft) was about 393.8% above the typical sold price in the postcode. One planning record on file: change of use to residential refused in 2025. Last sale on file: £515,000 in January 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 22 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
- Bedrooms3
- Bathrooms1
Energy performance
22 Blenheim Way ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Cavity wall insulation installed
Floor insulation added or improved
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heat pump installed, significantly improving energy efficiency
Hot water system upgraded
Floor insulation added or improved
Hot water efficiency improved
Planning history
A change of use to residential application was refused at 22 Blenheim Way in 2025.
- Apr 2025Change of UseFullIn report
Change of use from a single family dwellinghouse (Class C3) to a children's care home (Class C2) with associated car parking, landscaping, cycle and refuse store
- Documents
- 5 docs on file
- Reference
- P/2025/0392
We flagged 3 things worth checking at 22 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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
Latest sale on 22 Blenheim Way was the highest on Land Registry record across the postcode.
£626,000
Modelled from EPC, postcode comparables.
£515,000
Recorded with HM Land Registry.
Sales timeline
20 January 2022Most recent
£515,000
Median price across the last 5 sales in TW7 5TB: £112,500 (2019–2000).
Everything we know about 22 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
- A planning decision worth checking

Versus other Blenheim Way homes
22 Blenheim Way outperforms the street on epc rating by a wide margin.
EPC Rating
82 (B)
Street avg 58 (D)
Floor Area
90 m²
Street avg 78 m²
CO₂ Emissions
0.6 t/year
Street avg 3.7 t/year
Habitable Rooms
5 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