(1) Subject to any contrary intention set out in this Act—
(a) any term in a domestic building contract that is contrary to this Act, or that purports to annul, vary or exclude any provision of this Act, is void; and
(b) any term of any other agreement that seeks to exclude, modify or restrict any right conferred by this Act in relation to a domestic building contract is void.
(2) However, the parties to a domestic building contract may include terms in the contract that impose greater or more onerous obligations on a builder than are imposed by this Act.