hmmm ive just checked with fasthosts and would cost me £60 ouch
Crikey move to a host that offers lets encrypt which is FREE!
If you fancy moving grab my Kloudhost offer for £2.99 a month and they will move your entire site over for you and set up the certificate for you
https://blog.themoneyshed.co.uk/run-self-hosted-blog-2-99-month/