1. Bunded oil storage tanks Bunded oil storage tanks are essentially a tank within a tank. The “bund” being the area surrounding the inner tank, hence bunded tank. Bunded oil tanks are used for safely storing domestic heating oil amongst other items. Bunded oil tanks are considered to be one of the safest forms of oil storage. Bunded oil tanks are generally a requirement from most insurance companies as opposed to single skinned oil storage tanks. Due to the safer oil storage solutions brought about by bunded oil storage tanks, some places in the UK can see the Environmental Agency ask you to install bunded oil tanks. Read more information on bunded oil storage tanks or view information on hiring bunded oil storage tanks.