3. a non-natural use of land

• Rickards v Lothian


  must amount to a non-natural use of land, use must not be common place
• Transco v Stockport


  Use shouldn't be 'extraordinary and unusual considering time and place'
• Mason v Levy auto parts


  Storing flammable material can be non-natural use of land
• Cambridge water


  Bulk storage of chemicals can be a non-natural use of land even on industrial land