37 Pantgwynlais, Tongwynlais, Cardiff, CF15 7LT
About 37 Pantgwynlais
37 Pantgwynlais is a semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LT). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1950-1966 and council tax band B. At 62 m² this is the smallest unit on EPC record across the building (62–113 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2025) shows a C (score 71). The rating has held steady at C across 2 certificates since March 2015. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor.
At 62 m² it's 26.2% smaller than the typical home in the postcode (84 m² median across 17 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
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Planning history
37 Pantgwynlais 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
37 Pantgwynlais has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£136,000
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 7LT: £250,000 (2022–2021).
Nearby sales in CF15 7LT
52 Pantgwynlais, Tongwynlais, Cardiff, CF15 7LT
Sold Dec 2022
£250,00031 Pantgwynlais, Tongwynlais, Cardiff, CF15 7LT
Sold Nov 2022
£200,00055 Pantgwynlais, Tongwynlais, Cardiff, CF15 7LT
Sold Jun 2022
£186,50068 Pantgwynlais, Tongwynlais, Cardiff, CF15 7LT
Sold Dec 2021
£270,00057 Pantgwynlais, Tongwynlais, Cardiff, CF15 7LT
Sold Oct 2021
£267,000
Versus other Pantgwynlais homes
EPC Rating for 37 Pantgwynlais lags the street by a wide margin.
EPC Rating
71 (C)
Street avg 74 (C)
Floor Area
62 m²
Street avg 64 m²
CO₂ Emissions
2.3 t/year
Street avg 1.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
1 Beech Court, Catherine Drive, Tongwynlais
CF15 7JU
1 Ffordd Y Felin, Old Caerphilly Road, Nantgarw
CF15 7TA
1 Catherine Drive, Tongwynlais
CF15 7JT
1 Castle Street, Taffs Well
CF15 7RL
1 Church Street, Taffs Well
CF15 7PG
1 Anchor Street, Taffs Well
CF15 7RH
1 Abbey Close, Taffs Well
CF15 7RS
1 Castell Coch View, Tongwynlais
CF15 7LA
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.







