MPs collectively stop benefit (5)

I believe the answer is:

house

I'm a little stuck... Click here to teach me more about this clue!

'mps collectively' is the definition.
I can't judge whether this defines the answer.

'stop benefit' is the wordplay.
'stop' becomes 'ho' (I can't justify this - if you can you should believe this answer much more).
'benefit' becomes 'use' (I've seen this before).
'ho'+'use'='HOUSE'

Can you help me to learn more?

(Other definitions for house that I've seen before include "Company; dwelling" , "See 1" , "Residence; legislative meeting-place" , "Abode" , "Royal family" .)

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