Sky Broadband cooling off period

Does sky broadband have a cooling off period or once active do you have to stay with them for 12 months ?

From http://www.sky.com/shop/terms-conditions/new/

"30 day Broadband and Talk Satisfaction Guarantee: You can cancel your Sky Broadband and Talk services at any time within the first 30 days of all your services being activated. You'll receive a pro-rata refund for any subscription you've paid but not any set-up charges or non-inclusive call charges. Your statutory rights are not affected. Guarantee does not apply to Sky TV or existing customers changing their current packages."