21 Marle Close, Pentwyn, Cardiff, CF23 7EP
About 21 Marle Close
21 Marle Close is a mid-terrace house in Pentwyn, Cardiff, Cardiff (CF23 7EP). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (December 2015) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 89). The latest certificate is from December 2015, so improvements made since then won't be reflected.
At 110 m² the property is well over the postcode median (71 m² across 40 EPCs), placing it in the larger end of the local stock. Across 2006–2024, sale prices on this property compounded at 2% per year. On a £-per-square-foot basis, the last sale (£253/sq ft) was about 43.1% above the typical sold price in the postcode. Last sale on file: £300,000 in November 2024.
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Dec 2025
EPC Rating
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Planning history
21 Marle Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 Marle Close valuation sits well clear of the typical sold price in this postcode.
£318,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.0% per year over 18 years.
£300,000
Growth on file: 2.0% per year over 18 years.
Sales timeline
1 November 2024Most recent
£300,000
+46.0%over 7 years2 March 2017
£205,500
-2.1%over 10 years24 November 2006
£210,000
Median price across the last 5 sales in CF23 7EP: £158,000 (2025–2024).
Nearby sales in CF23 7EP
46 Marle Close, Pentwyn, Cardiff, CF23 7EP
Sold Jul 2025
£155,00024 Marle Close, Pentwyn, Cardiff, CF23 7EP
Sold Feb 2025
£153,00014 Marle Close, Pentwyn, Cardiff, CF23 7EP
Sold Feb 2025
£161,0002 Marle Close, Pentwyn, Cardiff, CF23 7EP
Sold Jul 2024
£158,00016 Marle Close, Pentwyn, Cardiff, CF23 7EP
Sold Jun 2024
£165,000
Versus other Marle Close homes
Years Held for 21 Marle Close lags the street by a wide margin.
Price per m²
£2,727
Street avg £2,014
Floor Area
110 m²
Street avg 114 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.6 t/year
Similar properties nearby
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
Pentwyn Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







