3 Roundwood Close, Penylan, Cardiff, CF23 9HH
About 3 Roundwood Close
3 Roundwood Close is a three-bedroom semi-detached house in Penylan, Cardiff, Cardiff (CF23 9HH). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (March 2020) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
Across 2020–2022, sale prices on this property compounded at 27.2% per year. Today's modelled estimate of £321,000 is 10.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£359/sq ft) was about 71.3% above the typical sold price in the postcode. At 75 m² it's 17.6% smaller than the typical home in the postcode (91 m² median across 14 EPCs). Last sale on file: £290,000 in March 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- ParkingOff road
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
3 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
3 Roundwood Close changed hands twice within eighteen months — unusual for the area.
£321,000
Modelled from EPC, postcode comparables and a sale-price growth of 27.2% per year over 1 year.
£290,000
Growth on file: 27.2% per year over 1 year.
Sales timeline
11 March 2022Most recent
£290,000
+34.9%over 1 year11 December 2020
£215,000
Median price across the last 5 sales in CF23 9HH: £295,000 (2025–2019).
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
£320,00019 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Jun 2021
£295,0001 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Dec 2020
£285,00024 Roundwood Close, Penylan, Cardiff, CF23 9HH
Sold Apr 2019
£303,000
Versus other Roundwood Close homes
3 Roundwood Close outperforms the street on price per m² by a wide margin.
Price per m²
£3,867
Street avg £2,545
Floor Area
75 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.5 t/year
Similar properties nearby
1 Kingwood Close, Penylan
CF23 9HE
1 Firstbrook Close
CF23 9ER
1 Hugon Close
CF23 9BY
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Earl S Court Road, Penylan
CF23 9DD
1 Doe Close, Penylan
CF23 9HJ
1 Ffordd Nowell, Penylan
CF23 9FA
1 Baber Close
CF23 9BX
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.







