Smaller house in Canberra chosen at estate centre (6)
I believe the answer is:
senate
'smaller house' is the definition.
'senate' can be an answer for 'house' (I have seen 'Second house ' mean 'senate' so perhaps 'house' could also mean 'senate'). I'm not sure about the 'smaller' bit.
'canberra chosen at estate centre' is the wordplay.
'centre' indicates a hidden word (hidden in the middle of the letters).
'SENATE' is hidden within 'canberra chosen at estate'.
'in' is the link.
Can you help me to learn more?
(Other definitions for senate that I've seen before include "House where politicians" , "Second house of Government" , "Legislative body" , "State assembly" , "Political body" .)