Phones4U billionaire's massive mansion plans revealed

Sarah Coles
The Global Angels Awards - London
The Global Angels Awards - London

John Caudwell, the man who made more than £1 billion from Phones 4U, has been given permission to start work on an enormous Mayfair mega-mansion - including an incredible 14,999 square foot underground extension.

So what is he doing, and how unusual is this sort of project?%VIRTUAL-SkimlinksPromo%