Northerner's home including empty bathroom (5)
I believe the answer is:
igloo
'northerner's home' is the definition.
(home built by people who live near the north pole)
'including empty bathroom' is the wordplay.
'empty' says to hollow out the word (remove centre letters).
'bathroom' becomes 'loo' (loo is a kind of bathroom).
'including' with its middle removed is 'ig'.
'ig'+'loo'='IGLOO'
(Other definitions for igloo that I've seen before include "series of chilly blocks" , "White House" , "Dome-shaped dwelling" , "Traditional Inuit house" , "Eskimo's dwelling" .)