39 Castle Road, Isleworth, TW7 6QR
About 39 Castle Road
39 Castle Road is a three-bedroom mid-terrace house in Isleworth (TW7 6QR). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2022) shows a C (score 75), near the top of the C band. When first surveyed in August 2020 the rating was F, the property has climbed 3 bands since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Poor to Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 86). Records show the property has been extended at some point in its history.
At 129 m² the property is well over the postcode median (91 m² across 30 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2021–2023, sale prices on this property compounded at 25.9% per year. On a £-per-square-foot basis, the last sale (£551/sq ft) was about 79.9% above the typical sold price in the postcode. Sold April 2023 for £765,000.
Know exactly what you're buying at 39 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
- Bedrooms3
- Bathrooms3
Outside
- ParkingAllocated
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
39 Castle Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
Planning history
39 Castle Road has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 39 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
Latest sale on 39 Castle Road was the highest on Land Registry record across the postcode.
£829,000
Modelled from EPC, postcode comparables and a sale-price growth of 25.9% per year over 2 years.
£765,000
Growth on file: 25.9% per year over 2 years.
Sales timeline
25 April 2023Most recent
£765,000
+64.5%over 2 years25 February 2021
£465,000
Median price across the last 5 sales in TW7 6QR: £591,000 (2025–2023).
Everything we know about 39 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
On epc rating, 39 Castle Road stands well clear of the street.
Price per m²
£5,930
Street avg £5,202
Floor Area
129 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.4 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
0.1 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