21 Heol Gam, Pentyrch, Cardiff, CF15 9QA
About 21 Heol Gam
21 Heol Gam is a mid-terrace house in Pentyrch, Cardiff, Cardiff (CF15 9QA). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2015. Between certificates, lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 84), 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
More low energy lighting installed
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Planning history
21 Heol Gam 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
21 Heol Gam has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£266,000
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 9QA: £205,000 (2025–2016).
Nearby sales in CF15 9QA
3 Heol Gam, Pentyrch, Cardiff, CF15 9QA
Sold Aug 2025
£300,0008 Heol Gam, Pentyrch, Cardiff, CF15 9QA
Sold Jul 2020
£110,0005 Heol Gam, Pentyrch, Cardiff, CF15 9QA
Sold Dec 2017
£270,0004 Heol Gam, Pentyrch, Cardiff, CF15 9QA
Sold Jan 2017
£205,00012 Heol Gam, Pentyrch, Cardiff, CF15 9QA
Sold May 2016
£120,000
Versus other Heol Gam homes
Habitable Rooms for 21 Heol Gam lags the street by a wide margin.
EPC Rating
65 (D)
Street avg 61 (D)
Floor Area
79 m²
Street avg 86 m²
CO₂ Emissions
3.4 t/year
Street avg 4.2 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
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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 Cemetery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







