7 Castle View, Tongwynlais, Cardiff, CF15 7LY
About 7 Castle View
7 Castle View is a semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LY). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2018) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since April 2011. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 80).
At 86 m² the property is well over the postcode median (63 m² across 23 EPCs), placing it in the larger end of the local stock.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
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Planning history
7 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
7 Castle View has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£223,000
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
EPC Rating for 7 Castle View lags the street by a wide margin.
EPC Rating
64 (D)
Street avg 68 (D)
Floor Area
86 m²
Street avg 82 m²
CO₂ Emissions
3.5 t/year
Street avg 3.1 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
Similar properties nearby
1 Church Street, Taffs Well
CF15 7PG
1 Castle Street, Taffs Well
CF15 7RL
1 Catherine Drive, Tongwynlais
CF15 7JT
1 Anchor Street, Taffs Well
CF15 7RH
1 Abbey Close, Taffs Well
CF15 7RS
1 Castell Coch View, Tongwynlais
CF15 7LA
1 Ffordd Y Felin, Old Caerphilly Road, Nantgarw
CF15 7TA
1 Chapel Cottage, Tabor Street, Taffs Well
CF15 7PS
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.







