Rabbits have a reputation for being quite smelly, but this is unfounded. In fact, rabbits only smell bad if they are kept in unhygienic conditions. Choose a plastic cage rather than a wooden one as it's easier to keep clean. And use absorbent bedding, such as paper pellets.
Will rabbits make my house smell?
But don't rabbits smell bad? No they don't! Rabbits themselves are very clean animals with odourless fur and they fastidiously groom themselves all day. Only their urine smells so as long as you keep their living area clean (spot clean every few days and a full clean-out once a week) you shouldn't have a problem.
Do pet rabbit cages smell?
Cleanliness. When the living quarters and litter box are kept clean, with soiled litter removed regularly, a pet rabbit is virtually odorless, except for a few minutes following urination when the smell is strongest. ... If your rabbit smells, it's probably because his cage and litter box need cleaned.