Question to the HM Treasury:

To ask the Chancellor of the Exchequer, if the Government will make it mandatory for all public infrastructure owners to undertake a should-cost estimate as a reference point, as recommended in the Government's Outsourcing Playbook and endorsed by the Institution of Civil Engineers.

The Outsourcing Playbook sets out the Government’s guidance on outsourcing services rather than infrastructure projects. All infrastructure projects are required to estimate costs as part of the Government’s business case process, in accordance with the guidance set out in the Green Book.