Please click on the links below to view our Declaration of Performance certificates. A paper copy of any ‘Declaration of Performance’ will be supplied upon request.

2025 07 01 Tudor Griffiths Certificate TG004 – Ellesmere – 0-2mm FP Fine aggregate – Sand

2025 07 01 Tudor Griffiths Certificate TG006 – Cefn Graianog – 0-4mm Fine aggregate – Sand

2025 07 01 Tudor Griffiths Certificate TG007 – Cefn Graianog – 4-10mm Single size aggregate

2025 07 01 Tudor Griffiths Certificate TG008 – Cefn Graianog – 4-20mm Graded aggregate

2025 07 01 Tudor Griffiths Certificate TG022 – Ellesmere – 4-20mm Graded blended aggregate 60-40

2025 07 01 Tudor Griffiths Certificate TG027 – Ellesmere – 0-4mm Blended fine aggregate – Sand