4 Algar Close, Isleworth, TW7 7AQ
About 4 Algar Close
4 Algar Close is a semi-detached house in Isleworth (TW7 7AQ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (September 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in March 2012 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. The recommended improvements would push it to C (score 79). At 56 m² this is the 8th smallest of 21 units on EPC record in the building, where floor areas span 54–131 m². The building's EPC ratings span E to B across 21 units on file.
One historical planning record sits against the property in 2025.
Know exactly what you're buying at 4 Algar 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Planning history
A recent planning application at 4 Algar Close was refused — worth checking the council file.
- Sept 2025OutbuildingFullIn report
Erection of garages on Algar Close
- Documents
- 8 docs on file
- Reference
- P/2025/1635
We flagged 2 things worth checking at 4 Algar 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.
- Larger development activity nearby
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
4 Algar Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£319,000
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 7AQ: £347,000 (2025–2022).
Nearby sales in TW7 7AQ
14 Algar Close, Isleworth, TW7 7AQ
Sold Feb 2025
£347,0004 Stainton Terrace, Algar Close, Isleworth, TW7 7AQ
Sold Oct 2024
£940,00016 Algar Close, Isleworth, TW7 7AQ
Sold Oct 2023
£267,00012a, Algar Close, Isleworth, TW7 7AQ
Sold Sept 2023
£290,0003 Stainton Terrace, Algar Close, Isleworth, TW7 7AQ
Sold Jun 2022
£850,000
Everything we know about 4 Algar 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
- Larger development activity nearby
- A planning decision worth checking

Versus other Algar Close homes
4 Algar Close is notably below the street on epc rating.
EPC Rating
60 (D)
Street avg 64 (D)
Floor Area
56 m²
Street avg 56 m²
CO₂ Emissions
3.0 t/year
Street avg 2.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Isleworth Library — bus stop.
Closest school
0.2 km
Worple Primary School. 45 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
52.1dB

Night-time· 23:00 – 07:00
43.4dB