5 Courtenay Close, Old St Mellons, Cardiff, CF3 5UL
About 5 Courtenay Close
5 Courtenay Close is a five-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5UL). It has a recorded floor area of 232 m² (around 2497 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (November 2019) shows a C (score 71).
At 232 m² the property is well over the postcode median (160 m² across 3 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 1999–2021, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £653,000 is 19.1% above the 2021 sale price. Most recent transfer: March 2021 at £548,500. 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
- CloakroomYes
Energy performance
5 Courtenay Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 19 November 2029
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Planning history
5 Courtenay Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Latest sale on 5 Courtenay Close was the highest on Land Registry record across the postcode.
£653,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 21 years.
£548,500
Growth on file: 5.4% per year over 21 years.
Sales timeline
10 March 2021Most recent
£548,500
+204.8%over 21 years17 December 1999
£179,950
Median price across the last 5 sales in CF3 5UL: £435,000 (2025–2014).
Nearby sales in CF3 5UL
Versus other Courtenay Close homes
Floor Area for 5 Courtenay Close runs comfortably ahead of the street norm.
Price per m²
£2,364
Street avg £2,118
Floor Area
232 m²
Street avg 169 m²
Habitable Rooms
10 rooms
Street avg 7 rooms
CO₂ Emissions
6.1 t/year
Street avg 5.4 t/year
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Bluebell Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







