Question: how much does it cost to add a kitchen in the basement?
Answer: A wet/bar or kitchenette of modest size can cost between $1,000 and $5,000. For a more full-featured guest apartment kitchen, plan on $12,000 to $20,000. A closet, which is a necessary feature if a basement room is to officially qualify as a bedroom, costs between $1,200 and $1,900.