15 Heol Gam, Pentyrch, Cardiff, CF15 9QA
About 15 Heol Gam
15 Heol Gam is an end-of-terrace house in Pentyrch, Cardiff, Cardiff (CF15 9QA). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (June 2012) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in November 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, lighting went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from June 2012, so improvements made since then won't be reflected.
Across 2010–2014, sale prices on this property compounded at 1.3% per year. Today's modelled estimate of £311,000 sits 66.3% above the 2014 sale of £187,000. On a £-per-square-foot basis, the last sale (£212/sq ft) was about 24.7% above the typical sold price in the postcode. Last changed hands 12 years ago, in October 2014.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Jun 2022
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
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Planning history
15 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
15 Heol Gam valuation sits well clear of the typical sold price in this postcode.
£311,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.3% per year over 4 years.
£187,000
Growth on file: 1.3% per year over 4 years.
Sales timeline
5 October 2014Most recent
£187,000
+5.4%over 4 years11 August 2010
£177,500
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
15 Heol Gam outperforms the street on years held by a wide margin.
Price per m²
£2,280
Street avg £2,596
Floor Area
82 m²
Street avg 86 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.1 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 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.







