Allens Court, Flat 4, 3 St Edeyrns Road, Cardiff, CF23 6TB
About Allens Court
Allens Court is a semi-detached house in Cardiff (CF23 6TB). It has a recorded floor area of 127 m² (around 1363 sq ft) and construction records dating it to 1976-1982. At 127 m² this is the 3rd smallest of 4 units on EPC record in Allens Court, where floor areas span 101–130 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (58 versus a best of 73). The latest certificate (April 2010) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from April 2010, so improvements made since then won't be reflected.
On the market in July 2012 and unlisted since — roughly 14 years. Across 2010–2012, sale prices on this property compounded at 1.5% per year. Today's modelled estimate of £287,000 is 19.6% above the 2012 sale price.
Energy performance
Allens Court's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Apr 2020
EPC Rating
Certificate validity
Expired on 28 April 2020
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Planning history
Allens Court 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
£287,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.5% per year over 2 years.
£240,000
Growth on file: 1.5% per year over 2 years.
Sales timeline
19 July 2012Most recent
£240,000
+3.0%over 1 year9 August 2010
£233,000
Median price across the last 5 sales in CF23 6TB: £348,500 (2026–2024).
Nearby sales in CF23 6TB
Brynhill, Flat 1, 1 St Edeyrns Road, Cardiff, CF23 6TB
Sold Mar 2026
£250,000Brynhill, Flat 8, 1 St Edeyrns Road, Cardiff, CF23 6TB
Sold Mar 2026
£240,0006 St Edeyrns Road, Cardiff, CF23 6TB
Sold Jan 2026
£630,00014a, St Edeyrns Road, Cardiff, CF23 6TB
Sold Jul 2025
£852,500Allens Court, Flat 1, 3 St Edeyrns Road, Cardiff, CF23 6TB
Sold May 2024
£348,500
Versus other St Edeyrns Road homes
On co₂ emissions, Allens Court runs well behind the street norm.
Price per m²
£1,895
Street avg £2,402
Floor Area
127 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
6.1 t/year
Street avg 3.1 t/year
Similar properties nearby
Allens Court, Flat 3, 3 St Edeyrns Road
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Allens Court, Flat 1, 3 St Edeyrns Road
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The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
St Ederyn's Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







