20 Duffryn Close, Cardiff, CF23 6HT
About 20 Duffryn Close
20 Duffryn Close is a two-bedroom semi-detached house in Cardiff (CF23 6HT). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1996-2002 and council tax band E. At 73 m² this is the 3rd 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 (October 2018) shows a C (score 74).
Untraded for 27 years, with the last transfer in June 1999. Across 1995–1999, sale prices on this property compounded at 22.4% per year. Today's modelled estimate of £245,000 sits 235.6% above the 1999 sale of £73,000. On a £-per-square-foot basis, the last sale (£93/sq ft) was about 58.6% below the postcode norm.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
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Planning history
20 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
20 Duffryn Close has more than doubled in price since the earliest registered sale in 1995.
£245,000
Modelled from EPC, postcode comparables and a sale-price growth of 22.4% per year over 4 years.
£73,000
Growth on file: 22.4% per year over 4 years.
Sales timeline
15 June 1999Most recent
£73,000
+108.6%over 3 years24 October 1995
£35,000
Median price across the last 5 sales in CF23 6HT: £249,950 (2025–2021).
Nearby sales in CF23 6HT
Versus other Duffryn Close homes
20 Duffryn Close is notably below the street on price per m².
Price per m²
£1,000
Street avg £2,534
Floor Area
73 m²
Street avg 79 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.0 t/year
Similar properties nearby
1 Duffryn Close
CF23 6HT
1 Forest Oak Close
CF23 6QN
1 Cefn Coed Avenue
CF23 6HE
1 Dan Y Coed Close
CF23 6NJ
1 Dan Yr Heol
CF23 6JU
1 Glenwood
CF23 6UR
1 Celyn Grove
CF23 6SH
1 Duffryn Avenue
CF23 6LE
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.







