9 Roundwood Close, Penylan, Cardiff, CF23 9HH
About 9 Roundwood Close
9 Roundwood Close is a semi-detached house in Penylan, Cardiff, Cardiff (CF23 9HH). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (March 2024) shows a C (score 71). The recommended improvements would push it to B (score 86).
At 71 m² it's 22% smaller than the typical home in the postcode (91 m² median across 14 EPCs).
Energy performance
EPC Rating
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Planning history
9 Roundwood Close 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
9 Roundwood Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£264,000
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 9HH: £290,000 (2025–2020).
Nearby sales in CF23 9HH
20 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Jan 2025
£275,0006 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Dec 2022
£320,0003 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Mar 2022
£290,00019 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Jun 2021
£295,0001 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Dec 2020
£285,000
Versus other Roundwood Close homes
9 Roundwood Close is notably below the street on floor area.
EPC Rating
71 (C)
Street avg 66 (D)
Floor Area
71 m²
Street avg 93 m²
CO₂ Emissions
2.4 t/year
Street avg 3.5 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
Similar properties nearby
1 Howardian Close, Penylan
CF23 9AG
1 Eastside Quarter, Maelfa, Llanedeyrn
CF23 9PN
1 Grafton Close, Penylan
CF23 9JA
1 Ffordd Nowell, Penylan
CF23 9FA
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
0.1 km
Llanedeyrn Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







