Nowadays, there are just as many great mattress retailers online as there are physical shops, which gives you far more choice when it comes to picking up the best mattress for your sleeping style. Here at House & Garden, we’ve tested countless mattresses from a variety of online and physical stores, and we know the best ones out there. Read on to find out which stores to buy from, whether you want a hybrid, memory foam or pocket sprung mattress. Where to buy a mattress in the UK in 2026Physical shops vs online shopsModern mattresses are increasingly sold online, with many arriving vacuum packed in a box for convenience. For some people, there’s no substitute for a physical store and actually lying on a variety of mattresses.