[4] Beginning in 2008 the golf course was significantly altered as part of a £20-million redevelopment of the complex.

The course designed by Jack Nicklaus was officially opened in 1988 with the hosting of a USA vs GB match featuring Jack Nicklaus (himself) and Tom Watson representing the USA against Sandy Lyle and Nick Faldo representing Great Britain.

St Mellion's Nicklaus Course is a contender for future PGA European Tour events, following its £100 million redevelopment completed in 2010.

[7] However, St Mellion's initially-proposed hosting of the English Open tournament was postponed after the developers ran into financial difficulties following the Great Recession.

[5][10] St Mellion has hosted the Benson & Hedges International Open on the European Tour on 7 occasions.