12 Hardy House, Union Lane, Isleworth, TW7 6GU
About 12 Hardy House
12 Hardy House is a two-bedroom property in Isleworth (TW7 6GU). It has a recorded floor area of 73 m² (around 789 sq ft) and council tax band D. The latest certificate (July 2010) returns a high B (score 86), putting the home a stone's throw from an A rating. The latest certificate is from July 2010, so improvements made since then won't be reflected. At 73 m² this is the 23rd smallest of 35 units on EPC record in the building, where floor areas span 46–97 m². The building's EPC ratings span C to B, with this unit at the top. Other recorded features include a balcony.
Today's modelled estimate of £221,000 sits 53.5% above the 2016 sale of £144,000. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 18% below the postcode norm. Last sold in November 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at 12 Hardy 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
- Bedrooms2
- Bathrooms1
Outside
- Communal gardenYes
- BalconyYes
Building
- Central heatingYes
- LiftYes
Energy performance
12 Hardy House's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Jul 2020
EPC Rating
Planning history
12 Hardy House has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 12 Hardy 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
£221,000
Modelled from EPC, postcode comparables.
£144,000
Recorded with HM Land Registry.
Sales timeline
28 November 2016Most recent
£144,000
Median price across the last 5 sales in TW7 6GU: £266,000 (2025–2022).
Nearby sales in TW7 6GU
11 Hardy House, Union Lane, Isleworth, TW7 6GU
Sold Oct 2025
£146,00017 Hardy House, Union Lane, Isleworth, TW7 6GU
Sold Mar 2025
£202,50022 Hardy House, Union Lane, Isleworth, TW7 6GU
Sold Sept 2024
£345,00020 Hardy House, Union Lane, Isleworth, TW7 6GU
Sold Dec 2022
£420,0006 Hardy House, Union Lane, Isleworth, TW7 6GU
Sold Mar 2022
£266,000
Everything we know about 12 Hardy 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 Union Lane homes
On price per m², 12 Hardy House runs well behind the street norm.
Price per m²
£1,964
Street avg £3,386
Floor Area
73 m²
Street avg 69 m²
CO₂ Emissions
0.3 t/year
Street avg 0.7 t/year
Years Held
10 years
Street avg 7 years
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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
0.1 km
Twickenham Road / West Middlesex Hospital — bus stop.
Closest school
0.2 km
The Smallberry Green Primary School. 43 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
52.5dB
Night-time· 23:00 – 07:00
44.0dB