33 year old Steven Carolan has last seen on Friday the 3rd November, getting off a bus near Putney Bridge at around 18:50.
He got on the 28 bus at 17:28 from West Kensington Station to Wandsworth, then the 220 from Mapleton Crescent to Putney Bridge.
He was last seen wearing all black clothing and black trainers with white soles.
Police are growing increasingly concerned for his welfare as he suffers from epilepsy.
Anyone with information should contact them on 101.