1a, Cefn Coed Crescent, Cardiff, CF23 6AT
About 1a
1a is a four-bedroom detached house in Cardiff (CF23 6AT). It has a recorded floor area of 296 m² (around 3186 sq ft) and construction records dating it to 1900-1929. The latest certificate (May 2024) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Today's modelled estimate of £999,000 sits 108.1% above the 2014 sale of £480,000. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 27.9% below the postcode norm. On the market in March 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
1a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
1a 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
1a valuation sits well clear of the typical sold price in this postcode.
£999,000
Modelled from EPC, postcode comparables.
£480,000
Recorded with HM Land Registry.
Sales timeline
7 March 2014Most recent
£480,000
Median price across the last 5 sales in CF23 6AT: £710,000 (2025–2008).
Nearby sales in CF23 6AT
1 Cefn Coed Crescent, Cardiff, CF23 6AT
Sold Aug 2025
£1,159,0004 Cefn Coed Crescent, Cardiff, CF23 6AT
Sold Jun 2017
£620,0009 Cefn Coed Crescent, Cardiff, CF23 6AT
Sold Apr 2011
£710,0008 Cefn Coed Crescent, Cardiff, CF23 6AT
Sold Jul 2009
£850,0002 Cefn Coed Crescent, Cardiff, CF23 6AT
Sold Nov 2007
£500,000
Versus other Cefn Coed Crescent homes
1a is notably below the street on price per m².
Price per m²
£1,622
Street avg £3,140
Floor Area
296 m²
Street avg 281 m²
Habitable Rooms
10 rooms
Street avg 10 rooms
CO₂ Emissions
11.0 t/year
Street avg 10.4 t/year
Similar properties nearby
1 Dan Y Coed Rise
CF23 6NN
1 Alderbrook, Cyncoed
CF23 6QD
1 Duffryn Avenue
CF23 6LE
1 Celyn Grove
CF23 6SH
1 Glenwood
CF23 6UR
1 Dan Yr Heol
CF23 6JU
1 Dan Y Coed Close
CF23 6NJ
1 Cefn Coed Avenue
CF23 6HE
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
Cefn Coed Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







