Both in Alexandria and in Cairo, Nicolaides published several works: two volumes of short stories in Alexandria and three volumes of lyric prose and two novels in Cairo. He produced theatrical pieces in the Cairo Opera House and elsewhere and with amateur companies drawn from the Greek community. He painted. He gave painting lessons and exhibited in art exhibitions. He designed pavilions for the Gezira Exhibition Grounds at Cairo. He sketched the famous Tower of Tsanaklis in the Egyptian desert. He participated actively in peace movement rallies and other events in the Greek community (in favour of democracy in Greece and independence for Cyprus). He took a leading part in various artistic and other endeavours within the Greek community.