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The only different smell is the furniture. but we had some smokers in the house yesterday (not smoking inside but recognise the smell). the furniture definitely smells of tobacco, suggesting the previous owners were regular smokers. it is cane furniture, so have sprayed the cane part of it with furniture polish, same one as i always used. have also got a little soft cloth and rubbed it against the cat's face, then onto the cane. the cushions have now to be washed and rinsed in fabric conditioner, the same as i always used. since removing the cushions and temporarily replacing them with some i already had, and the other measures, the cat has seemed much less anxious, and after moving the litter tray into an upstairs bathroom, and putting food bowls down where she has toileted inappropriately, she did use the litter tray last night. she hasnt been again since, so fingers and toes crossed, touch wood, maybe the habit has been re-established. the fact that she has used it confirms to me there is no medical problem, but this is behavioural. she is anyway a very skittish cat, easily disturbed. god knows what will happen when we have some building work and decorating done which is to be later in the year. i was going to buy some feliway but if the problem is sorted will maybe leave it until the builders/decorators move in. i am actually wondering whether she may be better in the cattery while they are here. having read all the advice, and the links provided, can't think of anything else, hope it all works.