Get a new bed first for residence (7)
I believe the answer is:
Here is my best explanation:
'residence' is the definition.
'get a new bed first' is the wordplay.
'new' is an anagram indicator.
'bed' becomes 'cot' (cot is a kind of bed).
'first' says to put letters next to each other.
'geta' with letters rearranged gives 'tage'.
'tage' put after 'cot' is 'COTTAGE'.
'for' is the link.
(Other definitions for cottage that I've seen before include "Small house with a single storey", "Small home", "Cheese pie industries all may chase this", "Small one-storied house", "building", "Small single-storey dwelling", "small house", "Modest accommodation", "Country residence" and "Small place".)