4 Ffordd Y Felin, Old Caerphilly Road, Nantgarw, Cardiff, CF15 7TA
About 4 Ffordd Y Felin
4 Ffordd Y Felin is a detached house in Nantgarw, Cardiff, Cardiff (CF15 7TA). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 2012-2021. At 50 m² this is the smallest unit on EPC record across the building (50–62 m²). On EPC score it ranks last in the building (81 versus a best of 84). The latest certificate (August 2025) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since May 2015. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average.
At 50 m² it's 18% smaller than the typical home in the postcode (61 m² median across 8 EPCs).
Energy performance
4 Ffordd Y Felin's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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Planning history
4 Ffordd Y Felin 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
4 Ffordd Y Felin has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£144,000
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 2 sales in CF15 7TA: £210,000 (2022–2006).
Nearby sales in CF15 7TA
Versus other Old Caerphilly Road homes
On epc rating, 4 Ffordd Y Felin runs well behind the street norm.
EPC Rating
81 (B)
Street avg 83 (B)
Floor Area
50 m²
Street avg 58 m²
CO₂ Emissions
0.8 t/year
Street avg 0.9 t/year
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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
Cross Keys Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







