Building Department.

Concrete Blocks 450 x 225 x 100mm solid 450 x 225 x 150mm solid 450 x 225 x 150mm hollow 450 x 225 x 100mm solid 450 x 225 x 100mm Padstones	Breeze Blocks 450 x 225 x 100mm solid 450 x 225 x 100mm insulation	Cellular Concrete Blocks 450 x 225 x 100mm solid 450 x 225 x 125mm solid