Most clients arrive at our studio after meeting two or three other designers. They've understood the portfolios and the price ranges. What they're still trying to assess is harder — what it will actually be like to spend two years on a project together. This article is for that conversation.

Same city. Same price bracket. Completely different design language. After working on homes in both Mayfair and Belgravia, we've come to understand how profoundly each neighbourhood shapes the brief — and why great design starts not with Pinterest, but with the postcode.

After twenty years specifying stone for luxury London interiors, I've learned that the difference between a marble bathroom that looks extraordinary and one that quietly disappoints rarely comes down to the marble itself. It comes down to how the marble was chosen. Here are the five mistakes that turn six-figure stone budgets into expensive regrets — and how we avoid them at Supremati.