18 Clos Gwrgi, Penylan, Cardiff, CF23 9FQ
About 18 Clos Gwrgi
18 Clos Gwrgi is a semi-detached house in Penylan, Cardiff, Cardiff (CF23 9FQ). It has a recorded floor area of 84 m² (around 904 sq ft) and construction records dating it to 2019. The latest certificate (December 2022) returns a high B (score 86), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 97).
At 84 m² it's 18.4% smaller than the typical home in the postcode (103 m² median across 40 EPCs).
Energy performance
18 Clos Gwrgi's carbon output is low for the local stock.
EPC Rating
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Planning history
18 Clos Gwrgi has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Clos Gwrgi has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£278,000
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 9FQ: £450,000 (2024–2022).
Nearby sales in CF23 9FQ
5 Clos Gwrgi, Penylan, Cardiff, CF23 9FQ
Sold Nov 2024
£498,00043 Clos Gwrgi, Penylan, Cardiff, CF23 9FQ
Sold May 2024
£450,0004 Clos Gwrgi, Penylan, Cardiff, CF23 9FQ
Sold Dec 2023
£498,0002 Clos Gwrgi, Penylan, Cardiff, CF23 9FQ
Sold Jan 2023
£387,50010 Clos Gwrgi, Penylan, Cardiff, CF23 9FQ
Sold Dec 2022
£220,000
Versus other Clos Gwrgi homes
CO₂ Emissions for 18 Clos Gwrgi runs comfortably ahead of the street norm.
EPC Rating
86 (B)
Street avg 86 (B)
Floor Area
84 m²
Street avg 109 m²
CO₂ Emissions
0.9 t/year
Street avg 1.2 t/year
Similar properties nearby
1 Grafton Close, Penylan
CF23 9JA
1 Howardian Close, Penylan
CF23 9AG
1 Ffordd Nowell, Penylan
CF23 9FA
1 Eastside Quarter, Maelfa, Llanedeyrn
CF23 9PN
1 Ferny Court, Waterloo Road, Penylan
CF23 9BU
1 Kingwood Close, Penylan
CF23 9HE
1 Doe Close, Penylan
CF23 9HJ
1 Firstbrook Close
CF23 9ER
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
0.3 km
Hampton Court Rd — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







