20 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
About 20 Stryd Boyd
20 Stryd Boyd is a mid-terrace house in Old St. Mellons, Cardiff, Cardiff (CF3 6YS). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 2021. The latest certificate (September 2021) returns a B (score 83), comfortably above the UK average. The recommended improvements would push it to A (score 98).
At 51 m² it sits well below the postcode median (82 m² across 26 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £220,000 is 14.3% above the 2021 sale price. Last sale on file: £192,495 in November 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
20 Stryd Boyd's carbon output is low for the local stock.
EPC Rating
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Planning history
20 Stryd Boyd 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£220,000
Modelled from EPC, postcode comparables.
£192,495
Recorded with HM Land Registry.
Sales timeline
5 November 2021Most recent
£192,495
Median price across the last 5 sales in CF3 6YS: £237,995 (2025–2021).
Nearby sales in CF3 6YS
26 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
Sold Jul 2025
£229,00017 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
Sold Mar 2025
£235,0005 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
Sold Oct 2022
£285,0001 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
Sold Jul 2022
£340,00016 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
Sold Dec 2021
£237,995
Versus other Stryd Boyd homes
20 Stryd Boyd outperforms the street on co₂ emissions by a wide margin.
Price per m²
£3,774
Street avg £3,285
Floor Area
51 m²
Street avg 78 m²
CO₂ Emissions
0.8 t/year
Street avg 1.2 t/year
Years Held
5 years
Street avg 4 years
Similar properties nearby
1 Boyce Way, Old St Mellons
CF3 6AB
1 Lewis Crescent, Old St Mellons
CF3 6YQ
1 Ffordd Crabtree, Old St Mellons
CF3 6AN
1 Bridge Terrace, Michaelston Y Fedw
CF3 6YZ
1 Potter Street, Old St Mellons
CF3 6AR
1 Ffordd Williamson, Old St Mellons
CF3 6AE
1 Druidstone House, Druidstone Road, Old St Mellons
CF3 6XF
1 Clos Grehan, Old St Mellons
CF3 6BF
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
0.3 km
Rogers Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







