17 Cefn Bychan, Pentyrch, Cardiff, CF15 9PG
About 17 Cefn Bychan
17 Cefn Bychan is a semi-detached house in Pentyrch, Cardiff, Cardiff (CF15 9PG). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2018) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2010. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 90), a 2-band jump.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
Ventilation system changed
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Planning history
17 Cefn Bychan has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
17 Cefn Bychan has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£233,000
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 9PG: £280,000 (2022–1998).
Nearby sales in CF15 9PG
6 Cefn Bychan, Pentyrch, Cardiff, CF15 9PG
Sold Jul 2022
£536,0005 Cefn Bychan, Pentyrch, Cardiff, CF15 9PG
Sold Apr 2010
£308,0007 Cefn Bychan, Pentyrch, Cardiff, CF15 9PG
Sold Jul 2007
£280,000Gelli Dawel, Cefn Bychan, Pentyrch, Cardiff, CF15 9PG
Sold Sept 2006
£237,500Brynllwynog, Cefn Bychan, Pentyrch, Cardiff, CF15 9PG
Sold Aug 1998
£181,500
Versus other Cefn Bychan homes
On co₂ emissions, 17 Cefn Bychan stands well clear of the street.
EPC Rating
68 (D)
Street avg 66 (D)
Floor Area
38 m²
Street avg 64 m²
CO₂ Emissions
1.8 t/year
Street avg 2.8 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
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1 Bronllwyn, Pentyrch
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1 Cefn Penuel, Pentyrch
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1 2, Post Office Row, Gwaelod Y Garth
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Pentyrch War Memorial — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







