A room redesigned by us is romantic (7)
I believe the answer is:
amorous
'is romantic' is the definition.
(I've seen this before)
'a room redesigned by us' is the wordplay.
'redesigned' indicates an anagram.
'by' is a charade indicator (letters next to each other).
'room' is an anagram of 'moro'.
'a'+'moro'+'us'='AMOROUS'
(Other definitions for amorous that I've seen before include "Showing desire" , "Relating to love" , "Impassioned and loving" , "Lustful" , "Feeling or showing romantic love" .)