Well SKY have responded. Here is their response
Dear Customer
Thank you for your email. I understand your concern about the blocked 
website.
I would request you to contact your Broadband service provider and they 
will be able to assist you further.
I hope this information has helped with your enquiry. If you require any 
further assistance, you can reply to my email.
To help us improve our service, please take a few seconds to answer the 
question on the following link: 
http://bit.ly/sky-email
Kind regards
*********
Sky Help Centre
http://www.sky.com
As I feared, they are trying to pass the buck. If someone can enlighten 
me as to why my ISP can help remove a block that SKY has applied, then I 
would be grateful.
It looks like I will have to revert to OFCOM.
Stephen Davies
-- 
Please post to: Hampshire@???
Web Interface: 
https://mailman.lug.org.uk/mailman/listinfo/hampshire
LUG URL: 
http://www.hantslug.org.uk
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