Not only do we have a list of great shed companies in the UK over at the ShedRectory (Shed Directory)
The following companies have been involved with readersheds and the shedblog in the past I can only recommend them because of that, but give them a go.
Garden buildings direct offer Cheap Wooden Sheds, Cheap Log Cabins, Cheap Summerhouses, Cheap Garden Sheds
Shed Store
Established, leading specialist retailer of timber, metal and plastic garden buildings – all at discount prices! Our extensive range of over 750 buildings includes; garden sheds, summerhouses, log cabins, children’s playhouses, greenhouses and much more. We offer free UK delivery, installation services, brochures and advice.
Taylors Garden Buildings
High quality garden buildings at discounted prices including sheds, log cabins, summerhouses, playhouses and accessories. Free UK Delivery. Largest range in the UK
Simply Log Cabins
Simply Log Cabins is a Premier UK Importer and Distributor direct to the Public of a Large range of Log Cabins and other Timber Buildings. We hold a large stock of cabins and with many of our cabins we deliver within 7 days (industry average about 6 weeks!). Delivery is Free to UK Mainland Addresses.
B&Q Diy.com Sheds, B&Q are doing a lot better range online than you may mind in store.