In almost constant use by prime ministers for 300 years, the topsy-turvy townhouse at the heart of government has a plethora of frustrating issues due to its age and design Sign up for the View from Westminster email for expert analysis straight to your inbox Get our free View from Westminster email Get our free View from Westminster email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Creaky, idiosyncratic, mice in the