17 Clos Derwen, Cardiff, CF23 5HJ
About 17 Clos Derwen
17 Clos Derwen is a four-bedroom detached house in Cardiff (CF23 5HJ). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (April 2012) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). The latest certificate is from April 2012, so improvements made since then won't be reflected.
Across 2000–2012, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £564,000 sits 56.7% above the 2012 sale of £360,000. On a £-per-square-foot basis, the last sale (£263/sq ft) was about 15.2% above the typical sold price in the postcode. At 127 m² it's 18.7% larger than the typical home in the postcode (107 m² median across 22 EPCs). Last changed hands 13 years ago, in December 2012.
What this property has
Inside
- Bedrooms4
Everything you need to know about 17 Clos Derwen
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
17 Clos Derwen's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Apr 2022
EPC Rating
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Planning history
17 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
17 Clos Derwen valuation sits well clear of the typical sold price in this postcode.
£564,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 13 years.
£360,000
Growth on file: 4.8% per year over 13 years.
Sales timeline
14 December 2012Most recent
£360,000
+82.8%over 12 years4 February 2000
£196,950
Median price across the last 5 sales in CF23 5HJ: £425,000 (2025–2021).
Versus other Clos Derwen homes
17 Clos Derwen is notably below the street on epc rating.
Price per m²
£2,835
Street avg £3,265
Floor Area
127 m²
Street avg 114 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 3.5 t/year
Everything you need to know about 17 Clos Derwen
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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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.