Norfolk: The Periscope House

Natasha Cargill wants to build a home shaped like two enormous periscopes in rural Norfolk, but to obtain planning permission, she has to ensure not only that the materials are sustainable, but also agree to measure the transportation used to deliver them. If these strict criteria are not met, she won't be allowed to live there, and to add to the pressure, she has just £330,000 to spend on construction and six months to complete the project