Bombed British house (6)
I believe the answer is:
blotto
'bombed' is the definition.
(I've seen this in another clue)
'british house' is the wordplay.
'british' becomes 'b' (abbreviation e.g. in 'BBC').
'house' becomes 'lotto' (I've seen this before).
'b'+'lotto'='BLOTTO'
(Other definitions for blotto that I've seen before include "Cockeyed drunk" , "Helplessly drunk (slang)" , "Blind drunk" , "Three sheets to the wind" , "Slangily drunk - ready to bolt" .)