Window perches for 4 cats, reducing conflict

Four cats competing for window spots is a classic recipe for tension — resource guarding at the window is one of the most common friction points in multi-cat homes, and the fix is genuinely straightforward: give each cat their own dedicated perch so there's nothing worth fighting over. Window perches are one of the best enrichment additions for indoor cats full stop — birds, movement, sunlight, all the stimulation they'd otherwise be missing. The main things to get right are suction cup strength and a weight rating that suits each individual cat. So — how much do your four weigh roughly, what are your windows like (double glazing, UPVC frames, older single-pane?), and are you looking to put perches on multiple windows around the townhouse or concentrate them in one room?

Good news — UPVC double glazing is actually the best surface for suction cup perches, you get a really solid seal. With cats up to 6kg you need a perch rated comfortably above that, and you want heavy-duty suction cups rather than the cheaper single-cup designs that can slowly peel away. Spreading them across different windows is exactly the right approach — vertical separation between rooms works even better than putting four perches side by side on one window, because each cat gets genuine territory rather than just a designated patch of the same contested space. What are the cats like — do any of them tend to be the bolder, heavier ones who'll claim the best spot if given the chance?

That settles it — you want the K&H Pet Products EZ Mount Window Bed. It's the one I'd point you to for this exact situation. It mounts flush to the glass with four large industrial suction cups, has a documented weight rating of up to 13.6kg (so your 6kg cat is well within range with a proper safety margin), and the hammock-style bed is genuinely comfortable so cats actively choose to use it rather than abandoning it after a week. Critically, because each unit is self-contained on the glass, the cats register them as separate territories — no shared frame connecting them. I'd put the two K&H perches for your bigger cats on the living room windows at slightly different heights if your window space allows it, and the other two in the bedrooms. The smaller cats will actually use theirs more reliably once the dominant pair have their own spots and stop patrolling. It comes in a few sizes — go with the large for the two heavier cats, standard is fine for your 4kg ones.

Yes, and the reason cheap ones fail is almost always the cup count and cup size — most budget perches use two small cups, which creates a rocking motion that gradually breaks the seal. The K&H EZ Mount uses four large cups spread wide across the frame, which distributes the load evenly and stops that rocking. The other thing that kills suction cups is installation — the glass needs to be completely clean and dry, no residue from cleaning products. If you do that prep properly on your UPVC glass, these hold solidly. K&H have been making this specific product for well over a decade and it's become the default recommendation precisely because the suction cup failure rate is low when installed correctly. Worth checking them every few months and re-pressing if you ever hear any movement, but that's true of any suction mount.

Great choice. Get two large for the 5.5kg and 6kg cats, two standard for the lighter ones, and do that glass prep before mounting — it genuinely makes the difference. Spreading them across different rooms is going to do more for your household harmony than almost anything else you could do. Good luck with the installation.