Are you looking for 2nd hand as zooplus are selling the savic hamster heaven
Savic Hamster Heaven 80 Cage | Great deals at zooplus!
Also I did this video which may help:
Best UK Hamster Cages 2021 - YouTube
Links to all cages in the pinned comment - i also have a post on here with all the links, but too ill/tired to look right now