18 Lon Y Fro, Pentyrch, Cardiff, CF15 9TE
About 18 Lon Y Fro
18 Lon Y Fro is a four-bedroom detached house in Pentyrch, Cardiff, Cardiff (CF15 9TE). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (January 2014) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2009. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Average to Poor and roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £408,000 sits 94.3% above the 2013 sale of £210,000. On a £-per-square-foot basis, the last sale (£197/sq ft) was about 25.1% below the postcode norm. Last sold in May 2013, so it's been off the market for around 13 years.
What this property has
Inside
- Bedrooms4
- Dining roomYes
- CloakroomYes
Outside
- Private gardenFront and rear
- GarageSingle
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This certificate is over 10 years old and is no longer valid.Expired 19 Jan 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Fuel source changed
Window efficiency improved
Changed to a more efficient fuel source
Hot water efficiency improved
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Planning history
18 Lon Y Fro 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
18 Lon Y Fro valuation sits well clear of the typical sold price in this postcode.
£408,000
Modelled from EPC, postcode comparables.
£210,000
Recorded with HM Land Registry.
Sales timeline
30 May 2013Most recent
£210,000
Median price across the last 5 sales in CF15 9TE: £435,000 (2025–2019).
Nearby sales in CF15 9TE
31 Lon Y Fro, Pentyrch, Cardiff, CF15 9TE
Sold Aug 2025
£470,00011 Lon Y Fro, Pentyrch, Cardiff, CF15 9TE
Sold Nov 2023
£460,00019 Lon Y Fro, Pentyrch, Cardiff, CF15 9TE
Sold Jan 2021
£350,00027 Lon Y Fro, Pentyrch, Cardiff, CF15 9TE
Sold Aug 2020
£435,0003 Lon Y Fro, Pentyrch, Cardiff, CF15 9TE
Sold Feb 2019
£305,000
Versus other Lon Y Fro homes
18 Lon Y Fro is notably below the street on price per m².
Price per m²
£2,121
Street avg £2,930
Floor Area
99 m²
Street avg 124 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Penffordd — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







