The Chapel of the Order is the Henry VII Lady Chapel in Westminster Abbey. Every four years, an installation ceremony, presided over by the Great Master, and a religious service are held in the Chapel; the Sovereign attends every alternate ceremony. The last such service was Thursday, 24 May 2018, in the Order's 293rd year, and was presided over by the Prince of Wales The Sovereign and each knight who has been installed is allotted a stall in the choir of the chapel.