A building consisting of a ground storey only. (A separated part which consists of a ground storey only, with a roof to which access is only provided for repair or maintenance…) Basements are not included in counting the number of storey’s in a building.

Single storey buildings are the largest sector of the UK structural steelwork market, representing upwards of 60% of total activity. These buildings are typically used for workshops, factories, industrial and distribution warehouses and retail and leisure. Referred to colloquially as ‘sheds’, sizes vary from small workshops of just a few hundred square meters up to massive distribution warehouses covering over one hundred thousand square meters.