10 Heddfan South, Cardiff, CF23 7EA
About 10 Heddfan South
10 Heddfan South is a mid-terrace house in Cardiff (CF23 7EA). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (November 2023) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Average to Very Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
10 Heddfan South 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
10 Heddfan South has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£164,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF23 7EA: £103,000 (2025–2014).
Nearby sales in CF23 7EA
Versus other Heddfan South homes
On epc rating, 10 Heddfan South runs well behind the street norm.
EPC Rating
64 (D)
Street avg 74 (C)
Floor Area
95 m²
Street avg 91 m²
CO₂ Emissions
3.9 t/year
Street avg 2.5 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Heddfaen South — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







