1) Clean 2) Clean and tidy up the house 3) Clean house 4) Clean up 5) Neaten 6) Remove the undesirables 7) Square away 8) Straighten 9) Straighten out 10) Tidy 11) Tidy up 12) To clean house 13) To make major reforms Found on https://www.crosswordclues.com/clue/houseclean