33 Clos Derwen, Cardiff, CF23 5HJ
About 33 Clos Derwen
33 Clos Derwen is a three-bedroom detached house in Cardiff (CF23 5HJ). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (March 2016) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Across 2000–2022, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£456/sq ft) was about 100.8% above the typical sold price in the postcode. At 83 m² it's 27.5% smaller than the typical home in the postcode (115 m² median across 22 EPCs). Most recent transfer: September 2022 at £407,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms3
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenRear
- ParkingOff road
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Mar 2026
EPC Rating
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Planning history
33 Clos Derwen 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
Sale price has grown by over 3x since 2000.
£397,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 22 years.
£407,000
Growth on file: 5.3% per year over 22 years.
Sales timeline
11 September 2022Most recent
£407,000
+33.0%over 6 years16 June 2016
£306,000
+135.5%over 16 years6 June 2000
£129,950
Median price across the last 5 sales in CF23 5HJ: £425,000 (2025–2021).
Versus other Clos Derwen homes
Price per m² for 33 Clos Derwen runs comfortably ahead of the street norm.
Price per m²
£4,904
Street avg £3,171
Floor Area
83 m²
Street avg 116 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.6 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
0.2 km
Brandreth Rd — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







