Well to be fair to Plusnet on that point it is in fairly large type at the bottom of the page, and when you click on
Find out more about our packages and on that page if you click on "Show Detail" there is a link to the T's & C's. Amongst the Links at the very bottom of the page, there is also a link to "Legal" . However as a lot of people will click on the
Read all the FAQs link, the information should be there as well.