The question of whether to allow cats outdoor access involves genuine welfare trade-offs between freedom of movement and the risks of traffic, disease, predation, and harm to wildlife.
The welfare assessment of indoor versus outdoor cat keeping is genuinely complex. Indoor cats live longer on average but have higher rates of obesity, urinary problems, and boredom-related behavioural issues. Outdoor cats express more natural behaviour, maintain healthier weights, and have richer environmental experiences, but face serious risks. The ideal solution for many cats is access to an enclosed outdoor space that provides environmental complexity and natural stimulation while eliminating road and predation risks. The best choice depends on the individual cat, its personality and history, and the specific environment.