Grand Designs Live London Excel grows in average visitor numbers and in exhibitor numbers. Exhibition space by 14%, making the show the biggest yet. “This year’s London show was once again a resounding success. Grand Designs Live, London is our flagship show and continues to go from strength to strength, demonstrating even in the wake of a major election, there is still a huge appetite for home improvement, design and self build advice,” said Media 10 managing director Lee Newton.