63a, Castle Road, Isleworth, TW7 6QR
About 63a
63a is a mid-terrace house in Isleworth (TW7 6QR). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to before 1900 and council tax band C. At 48 m² this is the smallest unit on EPC record across the building (48–130 m²). The building's EPC ratings span G to C across 31 units on file. The latest certificate (March 2023) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 5 certificates since November 2009. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 72).
At 48 m² it sits well below the postcode median (93 m² across 30 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 63a
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
Heating controls changed
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
63a has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 63a
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
63a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£308,000
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 6QR: £591,000 (2025–2023).
Everything we know about 63a, 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
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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
St John The Baptist — bus stop.
Closest school
0.4 km
Isleworth Town Primary School. 44 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
54.2dB
Night-time· 23:00 – 07:00
44.2dB