Ok Rosella Here's what I have
1, 10 year old medium cat tree, 1 small cat tree, 1 homemade very large cat tree, 1 homemade free standing window bed, 6 window pads, 3 radiator beds, 1 furry igloo, 2 bean bag beds, 2 oval beds, 4 wall mounted hammocks, and a kitty city which is full of beds . I did have a few more but they went to the rescue.
During the day they use the large homemade tree, 2 beds in the kitty city get used and the hammocks get used a lot and so do the window pads.
At night they use my bed, a chair in the living room or the sofa.
I am at the moment planning and designing something else for them, maybe some bunk beds. I got hold of a lot of floorboard offcuts and other bits.
I really need help