The German Rex's most defining physical trait — its short, curly coat lacking guard hairs — directly shapes its housing requirements. Without the insulating outer layer of fur that most cats possess, the German Rex is more sensitive to temperature fluctuations than typical domestic breeds. This means the indoor environment must maintain a comfortable and relatively stable temperature, ideally between 68 and 75 degrees Fahrenheit. Drafty rooms, uninsulated windows, and cold tile floors can cause discomfort and even contribute to stress-related health issues over time.
Beyond thermal comfort, the German Rex is a sociable and people-oriented breed that does not tolerate isolation well. Housing arrangements should position the cat's primary resting and activity areas in parts of the home where family life takes place. A German Rex banished to a back bedroom or utility room will become anxious and may develop behavioral problems such as excessive vocalization or destructive scratching. These cats want to be where their people are, and their housing setup should reflect that.
Vertical space is important for almost all cats, and the German Rex is no exception. This breed enjoys climbing and observing its surroundings from elevated perches. However, because the German Rex is a moderate climber rather than an extreme acrobat, the vertical elements in its environment do not need to be excessively tall or complex. A well-placed cat tree with multiple platforms and a sturdy window perch will satisfy most individuals.
Safety is a fundamental housing concern. German Rex cats are curious and intelligent, which means they will investigate cabinets, drawers, and small spaces that may not be cat-safe. Securing toxic household products, blocking access to spaces behind appliances, and ensuring windows and balcony doors are properly screened are baseline precautions. Their thin coat also offers less physical protection against abrasions, so sharp edges on furniture or hardware should be identified and addressed.