Premium Subsoil is a high-quality sandy loam subsoil made from a blend of selected inert sands and quarried subsoil. Free draining and nutrient-rich, it provides excellent support for healthy root development and soil structure. Screened to 10mm, it is fully compliant with BS8601:2013 and meets NHBC Standards Plus 2021 for contamination testing. With balanced nutrients, a typical bulk density of 1500kg/m³, and a pH range of 7.5–8.6, it is ideal for professional landscaping and construction projects.