[HarryHamster]

there is also the Alexander 101 x 52.5 51
Great deals on small pet cages at zooplus: Alexander Small Pet Cage
or
there is the ferplast maxi multy
Ferplast Maxi Duna Multy Guinea Pig and Rabbit Cage, 99 x 51.5 x 36 cm, Grey: Amazon.co.uk: Pet Supplies
or
there is the zoozone habitat
Zoozone Habitat, Large, Blue: Amazon.co.uk: Pet Supplies

hope this helps