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What elements should be inspected by Building Control inspectors at the various construction stages?

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The following elements should be inspected throughout the construction process:

Design – Paper Assessment (S11 requests) - Parts A-M of the Building Regulations.

Formation Level – Substructure and Drains - Parts A, C, D and H of the Building Regulations - Ground-bearing, drainage.

Foundations – Excavation ready for inspection - Parts A, B, C, D, H, K, L and M of the Building Regulations - Foundations, pipe covers.

Ground Floor Level – Superstructure walls and floor joists laid - Parts A, B, C, D, H, K, L and M of the Building Regulations - Access, ventilation, walls.

Wall Plate Level – Services, ventilation etc. - Parts A, B, D, E, F and M of the Building Regulations - Fire, insulation, floors (sound).

Roof – Roof construction and bracing complete - Parts A, B, J and K of the Building Regulations - Fire, bracing, water storage.

Certification – First fix services complete and ready for occupation - Parts A-M of the Building Regulations - Installation manuals.

Substructure Superstructure First fix Second fix Fire safety Ventilation Roof Floors External insulation Cavity wall insulation Underfloor insulation Wall ties Air to water heat pump Air to ground heat pump Ceiling insulation Roof insulation Joists Suspended floor Battery storage Intermediate floors Time and temperature Drainage Foundations Ground conditions Fire stopping Fire mastic Fire wraps Fire board Sound insulation Tongue and groove Building energy rating Retrofit assessment Home energy assessment Water pump Water tank Bead insulation Pumped insulation External wall insulation Roof lights Fire doors Wall tiles Floor tiles Ventilation Mechanical ventilation Natural ventilation Water membrane Water vapour membrane Fire cable