I was stunned by the wealth of information in this forum discussion from MoneySaving Old Stylers (thrift fans) on preparing for winter, including thicker curtains, snuggly duvets and sweep your chimney. Forum Note: Batten down the hatches!
This information came from Martin Money Tips email. On a regular basis this email arrives and has interesting information, it is well worth subscribing: www.moneysavingexpert.com/tips