14 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
About 14 Stryd Boyd
14 Stryd Boyd is a semi-detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6YS). It has a recorded floor area of 71 m² (around 764 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 96).
One planning record on file: an extension approved in 2023. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £284,000 is 18.3% above the 2021 sale price. Last sale on file: £239,995 in November 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
14 Stryd Boyd's carbon output is low for the local stock.
EPC Rating
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Planning history
14 Stryd Boyd has an approved rear extension on the planning record.
1 application on record at 14 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS
- May 2023ConservatoryFullOutcome in report
Extension: Rear of property
Erect a conservatory to the rear elevation
Extension- Documents
- 9 docs on file
- Reference
- 23/00767/HSE
Unlock 14 Stryd Boyd, Old St Mellons, Cardiff, CF3 6YS's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 9 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.
£284,000
Modelled from EPC, postcode comparables.
£239,995
Recorded with HM Land Registry.
Sales timeline
4 November 2021Most recent
£239,995
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
Price per m²
£3,380
Street avg £3,300
Floor Area
71 m²
Street avg 77 m²
CO₂ Emissions
1.1 t/year
Street avg 1.2 t/year
Years Held
5 years
Street avg 4 years
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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
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.







