29 Castle Road, Isleworth, TW7 6QR
About 29 Castle Road
29 Castle Road is a four-bedroom mid-terrace house in Isleworth (TW7 6QR). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (August 2025) shows a C (score 73). The rating has held steady at C across 2 certificates since June 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Average; 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 B (score 87). Period features are noted in the property record. The home occupies a cul-de-sac position.
At 114 m² it's 26% larger than the typical home in the postcode (91 m² median across 30 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 2006–2017, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £797,000 is 24.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£522/sq ft) was about 65.2% above the typical sold price in the postcode. Last sold in December 2017, so it's been off the market for around 8 years. One historical planning record sits against the property in 2011.
Know exactly what you're buying at 29 Castle Road
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
- Bathrooms2
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- Period featuresYes
Energy performance
29 Castle Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- Jun 2011OutlineIn report
Certificate of Lawfulness for the retention of a rear roof extension and two rooflights to the house.
Retrospective- Reference
- P/2011/0901
We flagged 2 things worth checking at 29 Castle Road
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
29 Castle Road has more than doubled in price since the earliest registered sale in 2006.
£797,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 12 years.
£640,000
Growth on file: 8.4% per year over 12 years.
Sales timeline
21 December 2017Most recent
£640,000
+159.1%over 11 years28 February 2006
£247,000
Median price across the last 5 sales in TW7 6QR: £591,000 (2025–2023).
Everything we know about 29 Castle Road, 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 Castle Road homes
29 Castle Road outperforms the street on epc rating by a wide margin.
Price per m²
£5,614
Street avg £5,215
Floor Area
114 m²
Street avg 93 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.5 t/year
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
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