6 Alton Close, Isleworth, TW7 6AL
About 6 Alton Close
6 Alton Close is a mid-terrace house in Isleworth (TW7 6AL). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2025) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 89), a 2-band jump.
3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
Know exactly what you're buying at 6 Alton Close
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Mar 2025Loft ConversionOutlineIn report
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows to the house.
- Documents
- 20 docs on file
- Reference
- P/2025/0931
- Dec 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension and removal of chimney stack to the house.
- Documents
- 19 docs on file
- Reference
- P/2025/3026
We flagged 2 things worth checking at 6 Alton Close
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
6 Alton Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£572,000
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 6AL: £450,000 (2020–2013).
Everything we know about 6 Alton Close, 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 Alton Close homes
On floor area, 6 Alton Close runs well behind the street norm.
EPC Rating
63 (D)
Street avg 56 (D)
Floor Area
80 m²
Street avg 93 m²
CO₂ Emissions
3.6 t/year
Street avg 4.8 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
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
Alton Close — bus stop.
Closest school
0.2 km
Isleworth Town 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
54.7dB
Night-time· 23:00 – 07:00
44.8dB