Currently Britain has just 15 days of gas storage against 99 days in France and 122 days in Germany, leaving it far more exposed to disruptions.

http://www.engineerlive.com/Oil-and-Gas-Engineer/Interview_Opinon/More_U…

Britain’s plans to increase gas storage run the risk of being left in tatters by the credit crunch. If we are to effectively bolster Britain’s energy security, then government and the energy industry need to act now to increase UK gas storage capacity. This means investment measures need to be put in place urgently to ensure at the very least that all of the planned gas storage projects come to [...]