35 Castle View, Tongwynlais, Cardiff, CF15 7LY
About 35 Castle View
35 Castle View is a semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LY). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1950-1966 and council tax band C. At 55 m² this is the 4th smallest of 24 units on EPC record in the building, where floor areas span 35–101 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (July 2018) shows a C (score 72). When first surveyed in June 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average; while lighting dropped from Very Good to Very Poor.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Low energy lighting percentage decreased
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Planning history
35 Castle View has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
35 Castle View has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£165,000
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 CF15 7LY: £178,000 (2025–2021).
Nearby sales in CF15 7LY
Castle View Bungalow, Castle View, Tongwynlais, Cardiff, CF15 7LY
Sold Jan 2025
£272,00031 Castle View, Tongwynlais, Cardiff, CF15 7LY
Sold Nov 2024
£178,00023 Castle View, Tongwynlais, Cardiff, CF15 7LY
Sold Feb 2024
£175,00033 Castle View, Tongwynlais, Cardiff, CF15 7LY
Sold Nov 2021
£135,00027 Castle View, Tongwynlais, Cardiff, CF15 7LY
Sold Dec 2019
£145,000
Versus other Castle View homes
On habitable rooms, 35 Castle View stands well clear of the street.
EPC Rating
72 (C)
Street avg 70 (C)
Floor Area
55 m²
Street avg 61 m²
CO₂ Emissions
2.0 t/year
Street avg 2.3 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
Similar properties nearby
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1 Castle Street, Taffs Well
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1 Church Street, Taffs Well
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1 Anchor Street, Taffs Well
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1 Abbey Close, Taffs Well
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1 Castell Coch View, Tongwynlais
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cwm Gwynlais — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







