I had major pelvic problems so put a change mat on top of a chest of drawers in the bedroom so I didn't have to bend. We also kept an extra stash of nappies/wipes in a drawer I cleaned out in the entertainment unit in the lounge (classy I know) so I could change DD on the couch if I wasn't putting her back to bed straightaway.

I reckon even if I'd bought a change table, I would only have used it for six months max as after that DD was a crazy wriggler and I wouldn't have felt safe. So now I just change her on the floor or the bed.