The office has been painted. An orangy-red. Or a reddish-orange. Whichever you prefer.
Also, office stuff is now in said office instead of the “spare room.” Thus the office now looks like a real room. And the spare room is now truly a “spare room.” Both in the sense that it’s where we keep “spare stuff” and in the sense that the room itself is spare, or lacking in things to fill it up.