(1)A building warrant is subject to the following conditions—
(a)that the work or conversion in respect of which the warrant was granted is carried out or, as the case may be, made as described in the warrant (including any related plans and specifications) and in accordance with building regulations, and
(b)where a direction has been given under section 3, that any conditions specified in the direction are observed.
(2)A building warrant for the demolition of a building is subject to the condition that the demolition is completed within such period as is specified in the warrant.