1 De Clare Drive, Radyr, Cardiff, CF15 8FY
About 1 De Clare Drive
1 De Clare Drive is a five-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8FY). It has a recorded floor area of 177 m² (around 1905 sq ft), construction records dating it to 2007-2011 and council tax band G. The latest certificate (September 2020) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (September 2009); the latest reading is one band lower. Between certificates, lighting went from Average to Good; while 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 86). Records show the property has been extended at some point in its history.
At 177 m² the property is well over the postcode median (88 m² across 78 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2009–2021, sale prices on this property compounded at 2.2% per year. Today's modelled estimate of £540,000 is 31.7% above the 2021 sale price. Last sale on file: £410,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- GarageDetached
Building
- Previously extendedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
Floor insulation added or improved
More low energy lighting installed
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Planning history
1 De Clare Drive has 2 separate extension applications on the council record.
2 applications on record at 1 De Clare Drive, Radyr, Cardiff, CF15 8FY
- Aug 2020ExtensionAmendmentOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY EXTENSION TO THE REAR
- Documents
- 6 docs on file
- Reference
- 20/01164/DCH
- More recent applications — locked
- ExtensionSept 2020Decision
Unlock 1 De Clare Drive, Radyr, Cardiff, CF15 8FY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 3 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£540,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.2% per year over 11 years.
£410,000
Growth on file: 2.2% per year over 11 years.
Sales timeline
12 February 2021Most recent
£410,000
+28.5%over 11 years21 October 2009
£319,000
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
On floor area, 1 De Clare Drive stands well clear of the street.
Price per m²
£2,316
Street avg £2,773
Floor Area
177 m²
Street avg 102 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 2.4 t/year
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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.







