5 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
About 5 Clos Alyn
5 Clos Alyn is a semi-detached house in Pontprennau, Cardiff, Cardiff (CF23 8LB). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (February 2014) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2014. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.
Across 2006–2019, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £304,000 is 38.2% above the 2019 sale price. Sold November 2019 for £220,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Feb 2024
EPC Rating
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Planning history
5 Clos Alyn 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
5 Clos Alyn's sale-price growth has lagged the wider UK trajectory across its history on file.
£304,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.4% per year over 13 years.
£220,000
Growth on file: 1.4% per year over 13 years.
Sales timeline
29 November 2019Most recent
£220,000
+19.6%over 12 years18 December 2006
£184,000
Median price across the last 5 sales in CF23 8LB: £270,000 (2025–2019).
Nearby sales in CF23 8LB
21 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold Sept 2025
£334,0003 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold Jun 2023
£270,00033 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold May 2022
£215,00023 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold May 2021
£181,50011 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold Nov 2019
£281,000
Versus other Clos Alyn homes
5 Clos Alyn is notably below the street on epc rating.
Price per m²
£2,340
Street avg £2,667
Floor Area
94 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 3.0 t/year
Similar properties nearby
1 Amblecote Close, Pontprennau
CF23 8BY
1 Charnwood Drive, Pontprennau
CF23 8NN
1 Amber Close, Pontprennau
CF23 8AW
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Clos Alyn, Pontprennau
CF23 8LB
1 Butterfield Drive, Pontprennau
CF23 8NE
1 Blackberry Way, Pontprennau
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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
Sindercombe Cl — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







