Bunk Beds and Lofts Bunk beds and lofts have been a standard in children's bedrooms for decades. These pieces are available in a vast variety of configurations and provide style and function to any bedroom for children. Typical bunk beds consist of two twin-sized mattresses stacked one over the other. https://www.bunkbedsstore.uk/products/children-s-pine-bunk-bed-3ft-single-heavy-duty