Mattress Online

Mattress Online is one of the longer-running UK mattress specialists, founded in Sheffield in 2004 and still operating from the same base. They've built the catalogue around the major British and American brands rather than chasing the bed-in-a-box direct-to-consumer wave, which makes them a useful retailer if you want side-by-side comparisons across Silentnight, Sealy, Hypnos, Sleepeezee, Slumberland and the rest.

The 2,700+ listings cover three categories. Mattresses (1,600 listings) is the heart of the catalogue, spanning every common size from small single up to emperor and zip-link, in pocket-sprung, memory-foam, hybrid and natural-fibre constructions. Beds and divan bases (835 listings) include matched divans, ottoman storage bases, headboards and bed frames. The accessories layer covers toppers, protectors and pillows.

What makes Mattress Online worth checking is the brand depth and the regular promotional cycle. They run frequent price-match commitments, free delivery thresholds, and seasonal sale events that drop the upper-tier ranges into more attainable territory. The trade-off is that delivery on the bigger sets can run two to three weeks during peak periods.

We list every Mattress Online product available across the categories above. Filter by brand, size or price to narrow things down. Prices update daily.