6 Duffryn Close, Cardiff, CF23 6HT
About 6 Duffryn Close
6 Duffryn Close is a semi-detached house in Cardiff (CF23 6HT). It has a recorded floor area of 75 m² (around 806 sq ft), construction records dating it to 1967-1975 and council tax band E. At 75 m² this is the 9th smallest of 18 units on EPC record in the building, where floor areas span 70–98 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2010) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 81). The latest certificate is from May 2010, so improvements made since then won't be reflected.
Today's modelled estimate of £232,000 sits 71.9% above the 2012 sale of £135,000. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 24.3% below the postcode norm. On the market in January 2012 and unlisted since — roughly 14 years.
Energy performance
6 Duffryn Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 May 2020
EPC Rating
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Planning history
6 Duffryn Close 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
6 Duffryn Close valuation sits well clear of the typical sold price in this postcode.
£232,000
Modelled from EPC, postcode comparables.
£135,000
Recorded with HM Land Registry.
Sales timeline
27 January 2012Most recent
£135,000
Median price across the last 5 sales in CF23 6HT: £249,950 (2025–2021).
Nearby sales in CF23 6HT
Versus other Duffryn Close homes
EPC Rating for 6 Duffryn Close runs comfortably ahead of the street norm.
Price per m²
£1,802
Street avg £2,484
Floor Area
75 m²
Street avg 78 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.0 t/year
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
Rhydypenau Library — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







