Once the carpet was removed, we had a layer of tile to remove. This left a layer of glue, under which was - more tile!
The faucets were pulled for replacement and while work was being done, the flimsy paneling behind the washer was replaced with moisture resistant drywall. Another project will, someday, replace all the panelling.
Improvements are always warranted, and the light switch was moved for more easy access when entering the room.