1 Penmaes, Pentyrch, Cardiff, CF15 9QS
About 1 Penmaes
1 Penmaes is a detached house in Pentyrch, Cardiff, Cardiff (CF15 9QS). It has a recorded floor area of 140 m² (around 1507 sq ft) and construction records dating it to 2021. The latest certificate (October 2021) returns a high B (score 91), putting the home a stone's throw from an A rating. When first surveyed in March 2019 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Very Good. The recommended improvements would push it to A (score 92).
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2000–2017, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £534,000 sits 356.4% above the 2017 sale of £117,000. On a £-per-square-foot basis, the last sale (£78/sq ft) was about 64% below the postcode norm. Last changed hands 9 years ago, in July 2017.
Energy performance
1 Penmaes ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
High performance glazing installed
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Planning history
1 Penmaes 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
Sale price has at least doubled since 2000.
£534,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 17 years.
£117,000
Growth on file: 4.4% per year over 17 years.
Sales timeline
6 July 2017Most recent
£117,000
+103.5%over 16 years22 December 2000
£57,500
Median price across the last 5 sales in CF15 9QS: £325,000 (2022–2016).
Nearby sales in CF15 9QS
Versus other Penmaes homes
1 Penmaes is notably below the street on price per m².
Price per m²
£836
Street avg £2,625
Floor Area
140 m²
Street avg 123 m²
CO₂ Emissions
1.1 t/year
Street avg 4.7 t/year
Years Held
9 years
Street avg 10 years
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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
Pentyrch Surgery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







