8 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
About 8 Heol Y Nant
8 Heol Y Nant is a three-bedroom semi-detached house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HE). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2016) shows an E (score 45), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2010); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from January 2016, so improvements made since then won't be reflected.
At 125 m² it's 26.3% larger than the typical home in the postcode (99 m² median across 12 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer was December 2024 at £303,000 — fresh data. One planning record on file: tree works approved in 2016. Past consents include tree works, meaningful when judging how the property has evolved. Today's modelled estimate of £368,000 is 21.5% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£225/sq ft) was about 52.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- FireplaceYes
Outside
- Private gardenRear
Building
- Heating systemGas
Energy performance
8 Heol Y Nant 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This certificate is over 10 years old and is no longer valid.Expired 29 Jan 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
1 application on record at 8 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
- Aug 2016Tree WorksTreesOutcome in report
Remove x1 beech growing offset over garden.Remove x1 ash sapling growing over rear garden.
- Reference
- GWEA/TP/16/00169
Unlock 8 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE's full planning history
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Sales history & valuation
8 Heol Y Nant valuation sits well clear of the typical sold price in this postcode.
£368,000
Modelled from EPC, postcode comparables.
£303,000
Recorded with HM Land Registry.
Sales timeline
5 December 2024Most recent
£303,000
Median price across the last 5 sales in CF15 9HE: £300,250 (2022–2011).
Nearby sales in CF15 9HE
12 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
£335,00018 Heol Y Nant, Gwaelod Y Garth, Cardiff, CF15 9HE
Sold Nov 2021
£300,2503 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
8 Heol Y Nant is notably below the street on years held.
Price per m²
£2,424
Street avg £1,885
Floor Area
125 m²
Street avg 107 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
8.3 t/year
Street avg 4.6 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.







