Before the visit of George III – and only 30 years after the formal gardens were established – a start was made on extensively re-landscaping the grounds from plans drawn-up by John Speyers, working with Capability Brown. This plan removed the more formal aspect of the garden to create a naturalistic park. Part of the plan also turned a group of small fishponds into a series of lakes – and this was done in the late 18th or early 19th century.