2 Gervis Court, Penwerris Avenue, Isleworth, TW7 4QU
About 2 Gervis Court
2 Gervis Court is a two-bedroom semi-detached house in Isleworth (TW7 4QU). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band D. At 61 m² this is the smallest unit on EPC record across the building (61–67 m²). On EPC score it ranks first in the building (77 versus a worst of 70). Other recorded features include a balcony. The latest certificate (February 2023) shows a C (score 77), near the top of the C band. The rating has held steady at C across 3 certificates since February 2009. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average.
Untraded for 17 years, with the last transfer in June 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £353,000 sits 72.2% above the 2009 sale of £205,000. On a £-per-square-foot basis, the last sale (£312/sq ft) was about 40.9% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved.
Know exactly what you're buying at 2 Gervis Court
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
Outside
- Private gardenRear
- BalconyYes
Building
- Central heatingYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Hot water efficiency decreased
Windows upgraded, improving insulation
Ventilation system changed
Planning history
- Oct 2017Garage ConversionFullIn report
Conversion of the existing out door garage into a gym area
- Documents
- 6 docs on file
- Reference
- P/2017/3386
- Jul 2017Garage ConversionFullIn report
Extension to an existing outbuilding to convert the garage into a gym area.
- Reference
- P/2017/2159
We flagged 2 things worth checking at 2 Gervis Court
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
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£353,000
Modelled from EPC, postcode comparables.
£205,000
Recorded with HM Land Registry.
Sales timeline
17 June 2009Most recent
£205,000
Median price across the last 3 sales in TW7 4QU: £375,000 (2016–1998).
Everything we know about 2 Gervis Court, 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 Penwerris Avenue homes
2 Gervis Court outperforms the street on epc rating by a wide margin.
Price per m²
£3,361
Street avg £4,553
Floor Area
61 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 2.2 t/year
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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
0.3 km
Osterley Underground Station — subway entrance.
Closest school
0.9 km
Alexandra Primary School. 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
52.6dB

Night-time· 23:00 – 07:00
44.8dB