The design fee is rarely the main expense. A full London renovation runs roughly £800 to £3,500 per square metre depending on specification, and the build dwarfs everything else. Enter your floor area and finish level to get a realistic budget, split into build, design fee and contingency.
Your renovation
Per square metre rates cover the building work and finishes. Furniture and appliances sit on top and vary hugely with taste. Read the full breakdown in our guide to what an interior designer costs in London.