How much does it cost to tile a small bathroom?Β Β Β Β Β Β “A plumber should be able to retrofit a bathroom in two or three days, as well as removing the old one β this would cost around $3,000. To tile a small bathroom would take one to three days and cost between $1400 and $1600. These prices will vary depending on the tiles and sanitary ware you specify.Oct 3, 2018