15 Duffryn Avenue, Cardiff, CF23 6LE
About 15 Duffryn Avenue
15 Duffryn Avenue is a semi-detached house in Cardiff (CF23 6LE). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (March 2023) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump.
It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). On a £-per-square-foot basis, the last sale (£386/sq ft) was about 38.5% above the typical sold price in the postcode. Most recent transfer: July 2023 at £440,000.
Everything you need to know about 15 Duffryn Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
15 Duffryn Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Planning history
15 Duffryn Avenue has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
15 Duffryn Avenue valuation sits well clear of the typical sold price in this postcode.
£475,000
Modelled from EPC, postcode comparables.
£440,000
Recorded with HM Land Registry.
Sales timeline
2 July 2023Most recent
£440,000
Median price across the last 5 sales in CF23 6LE: £365,000 (2022–2016).
Nearby sales in CF23 6LE
Versus other Duffryn Avenue homes
15 Duffryn Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£4,151
Street avg £3,206
Floor Area
106 m²
Street avg 145 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.8 t/year
Street avg 5.7 t/year
Everything you need to know about 15 Duffryn Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Duffryn Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.