18 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
About 18 Heol Y Nant
18 Heol Y Nant is a four-bedroom mid-terrace house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HE). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (August 2021) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 124 m² it's 25.3% larger than the typical home in the postcode (99 m² median across 12 EPCs). Today's modelled estimate of £395,000 is 31.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£225/sq ft) was about 52.6% above the typical sold price in the postcode. Sold November 2021 for £300,250. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
Building
- Central heatingYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
18 Heol Y Nant 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£395,000
Modelled from EPC, postcode comparables.
£300,250
Recorded with HM Land Registry.
Sales timeline
18 November 2021Most recent
£300,250
Median price across the last 5 sales in CF15 9HE: £303,000 (2024–2011).
Nearby sales in CF15 9HE
8 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
Sold Dec 2024
£303,00012 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
Sold Aug 2022
£260,00016 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
Sold Jul 2022
£335,0003 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
Sold Sept 2021
£390,00026 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
Sold Mar 2011
£113,000
Versus other Heol Y Nant homes
Habitable Rooms for 18 Heol Y Nant runs comfortably ahead of the street norm.
Price per m²
£2,421
Street avg £1,886
Floor Area
124 m²
Street avg 107 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol y Nant — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







