Unbelievable, Flying Mansion, A massive Boeing 747 that was converted into a home on Air for a billionaire. The custom-built plane comes complete with bedrooms with eight full beds, multiple lounges, a state room and an onboard restaurant. It cost the billionaire owner £400million for it to be customized to his taste and took over three years to be achieved. See the amazing photos after the cut...

Inside the £400m mansion in the sky: This Boeing 747 has luxury bedrooms, restaurant & VIP room

Unbelievable Mansion on Air, A massive Boeing 747 that carries over 600 passengers as a commercial plane was converted into a home for a mystery billionaire. The custom-built plane comes complete with bedrooms with eight full beds, multiple lounges, a state room and an onboard restaurant. It cost the billionaire owner £400million for it to be customized to his taste and took over three years to be achieved. See the amazing photos after the cut...

And that's the plane...