Richardson House, Flat 15, 13 Malting Way, Isleworth, TW7 6SD
About Richardson House
Richardson House is a one-bedroom semi-detached house in Isleworth (TW7 6SD). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 1991-1995. At 50 m² this is the 2nd smallest of 16 units on EPC record in Richardson House, where floor areas span 49–63 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (November 2019) shows a C (score 74). The rating has held steady at C across 2 certificates since December 2008. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Poor to Very Good.
Across 1996–2021, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £295,000 is 13.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£483/sq ft) was about 108.9% above the typical sold price in the postcode. Most recent transfer: August 2021 at £260,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Richardson House
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
- Bedrooms1
- Bathrooms1
Outside
- Private gardenYes
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Planning history
Richardson House has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at Richardson House
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
Richardson House has more than tripled in price since its earliest registered sale in 1996.
£295,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 25 years.
£260,000
Growth on file: 5.5% per year over 25 years.
Sales timeline
12 August 2021Most recent
£260,000
+136.4%over 21 years10 July 2000
£110,000
+61.9%over 3 years28 August 1996
£67,950
Median price across the last 5 sales in TW7 6SD: £322,500 (2025–2023).
Nearby sales in TW7 6SD
Alcott House, Flat 13, 12 Malting Way, Isleworth, TW7 6SD
Sold Aug 2025
£322,500Richardson House, Flat 7, 13 Malting Way, Isleworth, TW7 6SD
Sold Feb 2025
£307,00016 Malting Way, Isleworth, TW7 6SD
Sold Jul 2024
£515,000Richardson House, Flat 12, 13 Malting Way, Isleworth, TW7 6SD
Sold May 2024
£345,000Alcott House, Flat 17, 12 Malting Way, Isleworth, TW7 6SD
Sold Sept 2023
£256,000
Everything we know about Richardson House, 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 Malting Way homes
Years Held for Richardson House lags the street by a wide margin.
Price per m²
£5,200
Street avg £3,903
Floor Area
50 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 1.6 t/year
Similar properties nearby
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TW7 6SD
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Alcott House, Flat 18, 12 Malting Way
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Alcott House, Flat 5, 12 Malting Way
TW7 6SD
Alcott House, Flat 8, 12 Malting Way
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Alcott House, Flat 16, 12 Malting Way
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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
0.2 km
Grainger Road — bus stop.
Closest school
0.3 km
Gumley House RC Convent School, FCJ. 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
53.3dB

Night-time· 23:00 – 07:00
43.4dB