What are the real advantages of employing an interior designer? From seamless project management to decisive styling, David Nicholls explores why the experts are worth it
ABOVE: Salvesen Graham's work at Trewithen, a Grade-I listed Georgian house in Cornwall. While the end result may look effortless, it belies the huge organisational and logistical effort behind every professionally designed project – from managing contractors and suppliers, to sticking to budgets and timelines, adhering to regulations and ensuring a high-quality finished product