23 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA
About 23 Cefn Mably Park
23 Cefn Mably Park is a five-bedroom detached house in Michaelston-Y-Fedw, Cardiff, Cardiff (CF3 6AA). It has a recorded floor area of 323 m² (around 3477 sq ft) and construction records dating it to 1996-2002. Other recorded features include outbuildings and a basement. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The latest certificate (August 2015) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). The latest certificate is from August 2015, so improvements made since then won't be reflected.
Untraded for 24 years, with the last transfer in March 2002. At 323 m² the property is well over the postcode median (220 m² across 34 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2001–2002, sale prices on this property compounded at -8.5% per year. Today's modelled estimate of £1,112,000 sits 105.9% above the 2002 sale of £540,000. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 29.8% below the postcode norm.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- EnsuiteYes
- BasementYes
Outside
- Private gardenRear
- GarageDouble
- OutbuildingsYes
Building
- Previously extendedYes
- Extension potentialPossible
Energy performance
23 Cefn Mably Park'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This certificate is over 10 years old and is no longer valid.Expired 04 Aug 2025
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m² and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
23 Cefn Mably Park 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
23 Cefn Mably Park changed hands twice within eighteen months — unusual for the area.
£1,112,000
Modelled from EPC, postcode comparables and a sale-price growth of -8.5% per year over 1 year.
£540,000
Growth on file: -8.5% per year over 1 year.
Sales timeline
1 March 2002Most recent
£540,000
-8.5%13 September 2001
£590,000
Median price across the last 5 sales in CF3 6AA: £590,000 (2024–2021).
Nearby sales in CF3 6AA
4 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA
Sold Nov 2024
£450,00012 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA
Sold Jul 2024
£610,00016 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA
Sold Oct 2023
£1,250,0009 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA
Sold Jun 2023
£590,00043 Cefn Mably Park, Michaelston Y Fedw, Cardiff, CF3 6AA
Sold Nov 2021
£360,000
Versus other Cefn Mably Park homes
On years held, 23 Cefn Mably Park stands well clear of the street.
Price per m²
£1,672
Street avg £2,761
Floor Area
323 m²
Street avg 269 m²
Habitable Rooms
11 rooms
Street avg 8 rooms
CO₂ Emissions
9.8 t/year
Street avg 8.7 t/year
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
1.3 km
Cardiff Gate — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







