16 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
About 16 Clos Alyn
16 Clos Alyn is a two-bedroom end-of-terrace house in Pontprennau, Cardiff, Cardiff (CF23 8LB). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (February 2022) shows a C (score 73). The rating has held steady at C across 2 certificates since May 2009. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to B (score 87).
Today's modelled estimate of £235,000 sits 59.9% above the 2015 sale of £147,000. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 26.9% above the typical sold price in the postcode. At 55 m² it sits well below the postcode median (90 m² across 20 EPCs), making it one of the more compact homes locally. 11 years since the last transfer (September 2015).
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Certificate validity
Valid until 3 February 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Floor insulation added or improved
More low energy lighting installed
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Planning history
16 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
16 Clos Alyn valuation sits well clear of the typical sold price in this postcode.
£235,000
Modelled from EPC, postcode comparables.
£147,000
Recorded with HM Land Registry.
Sales timeline
20 September 2015Most recent
£147,000
Median price across the last 5 sales in CF23 8LB: £270,000 (2026–2021).
Nearby sales in CF23 8LB
4 Clos Alyn, Pontprennau, Cardiff, CF23 8LB
Sold Feb 2026
£300,00021 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
£181,500
Versus other Clos Alyn homes
16 Clos Alyn outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,673
Street avg £2,713
Floor Area
55 m²
Street avg 81 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
1.8 t/year
Street avg 3.1 t/year
Similar properties nearby
1 Almond Drive, Pontprennau
CF23 8HD
1 Butterfield Drive, Pontprennau
CF23 8NE
1 Amber Close, Pontprennau
CF23 8AW
1 Amblecote Close, Pontprennau
CF23 8BY
1 Clos Alyn, Pontprennau
CF23 8LB
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Blackberry Way, Pontprennau
CF23 8FE
The neighbourhood at a glance
Crime
169/mo
Falling 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.







