Rabbits are one of the most commonly under-housed pets in the UK, largely because traditional pet shop hutches are far smaller than rabbits actually need. Both the Rabbit Welfare Association & Fund (RWAF) and the RSPCA are clear on the minimum: two average-sized rabbits need continuous access to an area of at least 3 metres by 2 metres by 1 metre high, available to them 24 hours a day, not just during supervised playtime.
You can check your current or planned set-up against this guidance using our /rabbit-hutch-size-checker, and work out how much your rabbits should be eating with the /rabbit-food-calculator.
Why the numbers matter
The 3-metre length is not arbitrary — rabbits need to be able to perform at least three hops in a row and reach full running speed to express normal behaviour and stay physically fit. A hutch that is 1.2 metres long, even a well-built one, simply does not allow this, no matter how nice it looks.
The 1-metre height requirement matters too: rabbits need to be able to stand fully upright on their back legs without their ears touching the roof. This is important both for periscoping to check for danger, a completely natural behaviour, and for general comfort and joint health.
Why an upper floor doesn't double your space
Many hutches include a ramp up to a smaller, enclosed top section. This is genuinely useful as an extra hiding or sleeping spot, but it should not be counted towards the minimum floor area. The RWAF guidance is about ground-level running and hopping space, and a small upper platform does not let a rabbit build up speed or take multiple hops in a row, so it cannot substitute for it.
Bigger breeds and more rabbits need more room
3m × 2m × 1m is a minimum for two average-sized rabbits, not a one-size-fits-all figure. Giant breeds such as Continental Giants need considerably more space to move comfortably, and if you keep more than a pair, the whole set-up needs to scale up accordingly, both for physical space and to reduce the chance of squabbles over territory.
Rabbits need company
Rabbits are highly social animals and should be kept in bonded pairs or small groups wherever possible, ideally a neutered male and female. A single rabbit still needs the full amount of space described above — space requirements do not shrink just because there is only one rabbit, and a lone rabbit also needs plenty of human interaction to make up for the missing companionship.
What about guinea pigs?
Guinea pigs have their own, slightly different, minimum: at least 1.2 metres by 0.6 metres of continuous space for a pair, plus a larger secure run for daytime exercise. Despite sometimes being sold as companions for each other, rabbits and guinea pigs should not be housed together. They have different dietary needs, different body language, and rabbits can seriously injure guinea pigs, even without meaning to, through boisterous behaviour or a well-aimed kick.
Indoor rabbits and puppy pens
House rabbits are increasingly popular and can thrive indoors, but the same space rules apply. A large, secure puppy pen linked to a rabbit-proofed room, with round-the-clock access rather than being shut in a small cage overnight, is a good way to meet the guidelines indoors. Whatever the set-up, rabbits need constant access to hide boxes, tunnels and safe chewing material to feel secure and to keep their teeth in good condition.
Enrichment beyond floor space
Space is the foundation, but rabbits also need mental stimulation to stay happy. Rotate cardboard tunnels, dig boxes filled with shredded paper, willow balls and foraging toys to keep things interesting, and make sure grazing areas include constant access to good quality hay or grass, which should make up the majority of the diet.
Weather and shelter for outdoor rabbits
Outdoor enclosures need a weatherproof, draught-free shelter area that rabbits can retreat to at any time, insulated well enough for winter and shaded and ventilated well enough for summer. Position hutches out of direct wind and rain, raise them off the ground if freestanding, and check daily that bedding is dry and the whole area is secure against foxes and other predators.
When to speak to your vet
Speak to your vet if a rabbit seems reluctant to move, is overweight, has sore hocks, or shows signs of stress such as hiding constantly or reduced appetite — cramped housing is a common contributing factor to all of these. The figures in this guide are a guide to the recommended minimum, and your vet or an exotics-experienced professional can advise on your particular rabbits' needs.