Remove the existing turf to a depth of 75mm.
Inset a timber frame around the perimeter.
Reinstate the area with aggregate and compact using a vibrating plate.
Screed the area with 2-6mm of granite stone creating a flat surface.
Cover the area using a geo-textile membrane.
Lay the grass out, cut to the perimeter then fix to the timber frame.
Cover the area with kiln dried sand.
Grass installation complete, and ready for years of enjoyment!