12 Penmaes, Pentyrch, Cardiff, CF15 9QS
About 12 Penmaes
12 Penmaes is a four-bedroom detached house in Pentyrch, Cardiff, Cardiff (CF15 9QS). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (October 2013) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from October 2013, so improvements made since then won't be reflected.
At 105 m² it's 19.2% smaller than the typical home in the postcode (130 m² median across 12 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £449,000 sits 58.4% above the 2018 sale of £283,500. On a £-per-square-foot basis, the last sale (£251/sq ft) was about 30.3% above the typical sold price in the postcode. Most recent transfer: November 2018 at £283,500.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
Outside
- GarageYes
Energy performance
12 Penmaes sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Oct 2023
EPC Rating
Certificate validity
Expired on 17 October 2023
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Planning history
12 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
12 Penmaes valuation sits well clear of the typical sold price in this postcode.
£449,000
Modelled from EPC, postcode comparables.
£283,500
Recorded with HM Land Registry.
Sales timeline
16 November 2018Most recent
£283,500
Median price across the last 5 sales in CF15 9QS: £333,500 (2025–2017).
Nearby sales in CF15 9QS
Versus other Penmaes homes
EPC Rating for 12 Penmaes lags the street by a wide margin.
Price per m²
£2,700
Street avg £2,582
Floor Area
105 m²
Street avg 126 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
6.4 t/year
Street avg 4.3 t/year
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The neighbourhood at a glance
Crime
85/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.







