He has designed gardens for Jonathan Ive, Paul Smith, art dealer Ivor Braka, real estate businessman Vladislav Doronin, Torrecchia Vecchia for Carlo Caracciolo (the late owner of the Italian newspaper l'Espresso), and his colleague on "The Guardian" newspaper, Nigel Slater (this garden was a joint effort with Monty Don). He restored the landscape at Althorp House (after Diana's death) after 1997 and worked on the landscape for the Millennium Dome. He has worked at the Botanic Garden of Jerusalem. He designed the roof garden of Roppongi Hills in Japan in 2002. Another large project was the Tokachi Millennium Forest Garden, in Shimizu, Hokkaido, which was featured on the BBC Radio 4 programme "Designed in Britain, Built in Japan". Another project is Maggie's Centre in Charing Cross, London. In 2020, he designed a new courtyard garden for The Garden Museum in London.