Yes, your shed does need a base. This is to give it a solid, level foundation. Open soil will not help with the longevity of the shed itself or the contents within. The best materials to use to make your shed base are concrete, natural stone or wood.
New Tredegar
New Tredegar is a former mining town and community in the Rhymney Valley, Caerphilly county district, Wales, within the historic boundaries of Monmouthshire. New Tredegar is currently residence to 'The Winding House', a region museum which opened up in 2008. It is regulated by CCBC Museums solution and the Friends of the Winding House area group. The area is rich in the mining heritage of the South Wales mining market. The area is sustained by 2 primary schools; White Rose Primary school as well as Phillipstown Primary school. The area additionally contains a variety of religious structures including; Saint Dingat's Church as well as the Presbyterian Church of Wales. Together with various other parts of Rhymney, New Tredegar was one of the last areas within Monmouthshire to preserve the Welsh Language, with native speakers making use of the language in stores as well as banks right into the 1970s. Welsh-only monuments in the local burial ground bear witness the toughness of the language locally in the very first quarter of the 20th century.