The £234m building cost £28m more in real terms than original forecasts, and a further £13m went on legal costs and removal work before the bronze-clad building was opened in 2000.
Edward Leigh, chairman of the powerful Public Accounts Committee, complained that a number of risks had not been identified and that legal arguments over the window contract had cost too much.
He said: ‘We are still waiting for a satisfactory explanation for this, including who should be held personally to account for it.’
UK senior partner Phil Verity has been elected for a second term at Mazars
An audit partner has been appointed at Grant Thornton in its North West offices
KPMG has been appointed with “immediate” effect as the auditor of Dorcaster
The audit for Ibstock will be taken over by Deloitte following a competitive tender process