guest·house 
/ˈgɛstˌhaʊs/ noun
plural guest·hous·es /ˈgɛstˌhaʊs/ noun [count] 1 chiefly US : a building that is separate from the main house of a property and that is used for guests
▪ The estate includes a small guesthouse. 2 chiefly Brit : a small hotel ; also : a private house that accepts paying guests
▪ The estate includes a small guesthouse.
