256a, Flat 1, Whitton Dene, Isleworth, TW7 7LU
About 256a
256a is a detached house in Isleworth (TW7 7LU). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 2007-2011. The latest certificate (February 2024) returns an A (score 92), the top energy band on the EPC scale. When first surveyed in July 2012 the rating was C, the property has climbed 2 bands since. Between certificates, lighting went from Good to Very Good.
At 53 m² it sits well below the postcode median (94 m² across 22 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension refused in 2022.
Know exactly what you're buying at 256a
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
256a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Planning history
A a single-storey extension application was refused at 256a in 2022.
- Mar 2022ExtensionFullIn report
Extension: Single storey
Erection of a third floor extension to provide a self contained flat with associated waste storage and car parking
- Documents
- 18 docs on file
- Reference
- P/2022/0251
We flagged 2 things worth checking at 256a
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.
- Larger development activity nearby
- A planning decision worth checking
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Sales history & valuation
256a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£320,000
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 7LU: £590,000 (2023–2021).
Nearby sales in TW7 7LU
Everything we know about 256a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
- A planning decision worth checking
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Whitton Dene — bus stop.
Closest school
0.5 km
Chase Bridge Primary School. 48 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
51.4dB
Night-time· 23:00 – 07:00
42.4dB