I waved the white flag years ago and 'gave' my lot the spare bedroom!
They have a high single bunk bed leading onto the top of fitted wardrobes, numerous radiator beds and scratch posts in there. (its the only room totally off limits to the dog so litter trys and food and water live there also).
Plus they have a cat run with shelves and scratch posts in. Oh and Ive just bought a jolly nice bed to go on top of the fridge
Spoilt little monkeys!!!