7 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
About 7 Clos Alyn
7 Clos Alyn is a detached house in Pontprennau, Cardiff, Cardiff (CF23 8LB). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (April 2015) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected.
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This certificate is over 10 years old and is no longer valid.Expired 13 Apr 2025
EPC Rating
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Planning history
7 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
7 Clos Alyn has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£325,000
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 8LB: £220,000 (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
£181,5005 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold Nov 2019
£220,000
Versus other Clos Alyn homes
Habitable Rooms for 7 Clos Alyn runs comfortably ahead of the street norm.
EPC Rating
60 (D)
Street avg 68 (D)
Floor Area
82 m²
Street avg 80 m²
CO₂ Emissions
3.9 t/year
Street avg 3.0 t/year
Habitable Rooms
7 rooms
Street avg 5 rooms
Similar properties nearby
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Charnwood Drive, Pontprennau
CF23 8NN
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Clos Alyn, Pontprennau
CF23 8LB
1 Blackberry Way, Pontprennau
CF23 8FE
1 Ambergate Drive, Pontprennau
CF23 8AX
1 Amblecote Close, Pontprennau
CF23 8BY
1 Amber Close, Pontprennau
CF23 8AW
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.







