In southern Spain, among the sprawling terracotta-roofed villas that line the Costa del Sol, plans for Villa Noon at Sotogrande stand as a symbol of the future. The work of architect Fran Silvestre, it will consist of five large marble-clad cylinders connected like a Jenga puzzle, providing 2,000sq m of living space. The villa, for sale off-plan at €11.4mn with a projected two-year build, is designed to be Spain’s first zero-emission luxury house with the Bisol solar panels alone…

