On being ushered into Lord March's office it is immediately obvious that the heir to the 12,000-acre Goodwood estate in south-east England has more than a passing interest in cars. Every surface is covered with motoring memorabilia and models of classic marques.

But Lord March has more than horsepower on his mind. His family seat is a multi-million pound business. He is responsible for ensuring that Goodwood is not only glorious, but also a profitable and exportable brand.