13. Optional building requirements.

Building regulations1 made by the Secretary of State2 in relation to England may include a requirement that applies only where a planning authority3 makes compliance with the requirement a condition of a grant of planning permission ('optional requirement')4.

Building regulations may specify:


    (1)     that an optional requirement is capable of applying only in respect of development5 of a kind described in the regulations6;


    (2)     conditions that must be satisfied before a planning authority may make compliance with an optional requirement a condition of the grant of planning permission