78a, De Clare Drive, Radyr, Cardiff, CF15 8FY
About 78a
78a is a three-bedroom semi-detached house in Radyr, Cardiff, Cardiff (CF15 8FY). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 2007 onwards and council tax band E. The latest certificate (June 2016) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (October 2009); the latest reading is one band lower. Between certificates, window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 89). The latest certificate is from June 2016, so improvements made since then won't be reflected.
At 106 m² it's 20.5% larger than the typical home in the postcode (88 m² median across 78 EPCs). On the market in October 2017 and unlisted since — roughly 9 years. Across 2010–2017, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £340,000 is 28.3% above the 2017 sale price.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Jun 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
78a has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
78a valuation sits well clear of the typical sold price in this postcode.
£340,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 8 years.
£265,000
Growth on file: 3.7% per year over 8 years.
Sales timeline
5 October 2017Most recent
£265,000
+32.5%over 7 years11 February 2010
£199,995
Median price across the last 5 sales in CF15 8FY: £295,000 (2025–2024).
Nearby sales in CF15 8FY
88 De Clare Drive, Radyr, Cardiff, CF15 8FY
Sold Mar 2025
£295,00010 De Clare Drive, Radyr, Cardiff, CF15 8FY
Sold Feb 2025
£137,50086 De Clare Drive, Radyr, Cardiff, CF15 8FY
Sold Jan 2025
£297,500152 De Clare Drive, Radyr, Cardiff, CF15 8FY
Sold Nov 2024
£347,000108 De Clare Drive, Radyr, Cardiff, CF15 8FY
Sold Sept 2024
£160,000
Versus other De Clare Drive homes
Price per m²
£2,500
Street avg £2,768
Floor Area
106 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.4 t/year
Similar properties nearby
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1 Blaen Y Coed, Radyr
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1 Caer Graig, Radyr
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1 Clos Y Gwyddfid, Morganstown
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1 Clos Y Mynydd, Morganstown
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Mellingriffith Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







