(1) What steps is he taking with regard to contractors who built flawed houses for Government housing schemes; (2) whether they will have to (a) reimburse the money they were paid and (b) demolish and rebuild at own cost; if not, why not in each case, if so, what are the relevant details; (3) how will officials (a) be held accountable who accepted substandard building work and (b) share in the cost to the Government?