Unhelpfully, I ended my service at the end of my current bill, they confirmed this by email
Dear Kenneth Walker (MK Safety Solutions),
This email is to confirm that we have received your cancellation request for the service listed below.
Product/Service: Hippo Linux Starter
The service will be cancelled at the end of your current billing period on 24/02/2015.
Thank you for using Planet Hippo Internet and we hope to see you again in the future.
Then they shut down my website now 26 days before the end of my currently bill and they state.. "we can shut down anything if we want" outrageous, WILL NEVER RECOMMEND THEM!!!!.