[5] In 1889 Monkhouse again appeared in London, playing Bouillabaisse in Robert Planquette's Paul Jones for the Carl Rosa opera company at the Prince of Wales Theatre.
After touring in his own production of Pat, he returned to the West End in 1892 to play Bartolo in The Mountebanks by W. S. Gilbert and Alfred Cellier; The Era said of his performance that it compelled the audience to hold their sides, "for we laugh until they ache".
The following January at the Shaftesbury Theatre he produced but did not appear in La Rosière, his own adaptation of Jaconde, an old French opéra comique with new music by Edward Jakobowski.
After appearing as Carambollas in The Magic Opal at the Lyric and in the title role in Poor Jonathan he played the Rev Montagu Brierly in A Gaiety Girl in the West End in 1893–1894 and then on a world tour in 1894–1895.
[8] Back in the West End, he created the roles of Marquis Imar in The Geisha in April 1896,[9] and Sir Titus Wemyss in The Circus Girl in December of that year.