23 Marbaix Gardens, Isleworth, TW7 4FD
About 23 Marbaix Gardens
23 Marbaix Gardens is a four-bedroom detached house in Isleworth (TW7 4FD). It has a recorded floor area of 153 m² (around 1644 sq ft) and council tax band G. The latest certificate (November 2011) returns a high B (score 85), putting the home a stone's throw from an A rating. The latest certificate is from November 2011, so improvements made since then won't be reflected.
Across 2012–2019, sale prices on this property compounded at 3.6% per year. On a £-per-square-foot basis, the last sale (£505/sq ft) was about 34% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Most recent transfer: February 2019 at £830,000.
Know exactly what you're buying at 23 Marbaix Gardens
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
- Bedrooms4
- Bathrooms3
- Dining roomYes
- EnsuiteYes
Outside
- Communal gardenYes
- GarageYes
Building
- ConciergeYes
- RefurbishedYes
Energy performance
23 Marbaix Gardens's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Nov 2021
EPC Rating
Planning history
- Jul 2021OutbuildingFullIn report
Erection of a 2.2 metre high pergola and an 80 cm-high raised bed within the rear garden.
- Documents
- 8 docs on file
- Reference
- P/2021/2224
- Jul 2021FullIn report
Installation of air conditioning unit.
- Documents
- 9 docs on file
- Reference
- P/2021/0938
We flagged 2 things worth checking at 23 Marbaix Gardens
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
23 Marbaix Gardens valuation sits well clear of the typical sold price in this postcode.
£822,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 7 years.
£830,000
Growth on file: 3.6% per year over 7 years.
Sales timeline
28 February 2019Most recent
£830,000
+25.8%over 6 years21 August 2012
£660,000
Median price across the last 5 sales in TW7 4FD: £840,000 (2025–2019).
Nearby sales in TW7 4FD
Everything we know about 23 Marbaix Gardens, 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 Marbaix Gardens homes
Years Held for 23 Marbaix Gardens lags the street by a wide margin.
Price per m²
£5,434
Street avg £4,437
Floor Area
153 m²
Street avg 141 m²
CO₂ Emissions
2.0 t/year
Street avg 2.0 t/year
Years Held
7 years
Street avg 12 years
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
Thornbury Avenue/Great West Rd — bus stop.
Closest school
0.4 km
Isleworth and Syon School for Boys. 46 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
55.4dB

Night-time· 23:00 – 07:00
45.8dB