How much does a new oil tank cost to install?
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Does my tank installer need to be OFTEC registered?
If you use an OFTEC registered engineer then your installation will be signed off by that engineer and building control notified. If you do not use an Oftec engineer (or similar competent persons scheme member) then you will have to pay for local authority building control to inspect and sign off the works, although this is getting harder and harder as local authorities do not always have the requisite specialist knowledge.
The benefits of using an OFTEC registered engineer is that they will have undergone training in oil tanks and be an experienced installer.