Downing Street

The prime minister acted 'unwisely' in allowing the refurbishment of his Downing Street flat to go ahead without 'more rigorous regard' of how it was funded.

It comes after Downing Street spent more than £2.6 million on renovations in order to hold White House-style briefings

The White-house style briefing room has proved controversial - suffering a number of setbacks and delays and branded a 'vanity project'.