Quick Answers to Common UK Building Questions

How many bags of plaster for a room?

~22 bags multi-finish for a standard 3.5m x 4m room

How many plasterboard sheets for a room?

~13 sheets (2400x1200mm) for a standard room

How many bricks for a wall?

~792 bricks for a 5m x 2.4m single-skin wall

How much concrete for a shed base?

0.72m³ for a 3m x 2.4m x 100mm slab

How many blocks for a wall?

~132 blocks for a 5m x 2.4m wall

How much gravel for a driveway?

~1.28 tonnes for a 5m x 3m driveway at 50mm depth

How many paving slabs for a patio?

~35 slabs (600x600mm) for a 4m x 3m patio

How much topsoil for a garden?

~10.5 tonnes for a 10m x 5m garden at 150mm depth

How many roof tiles per square metre?

10-60 tiles/m² depending on type

How much felt and batten for a roof?

4 rolls of felt + 145m battens for a 50m² roof

How many packs of laminate flooring?

~8 packs (2.0m²) for a 4m x 3.5m room

How much screed for a floor?

0.78m³ for a 4m x 3m floor at 65mm depth

How much loft insulation do I need?

~6 rolls of mineral wool for an 8m x 6m loft

What U-value do I need?

Part L 2021: walls 0.30, roof 0.16, floor 0.25

How many bricks on a pallet?

~500 facing bricks or ~300 engineering bricks