In most buildings over 70% of the energy used is for space heating and hot water. Improving
thermal insulation, the efficiency of your heating system and installing an alternative
source of heating will make the largest reductions to your energy usage.
Since 2000 the price of natural gas has risen by 95% and the price of heating oil
increased 70%. So reducing the amount of energy you use significantly reduces the
amount you spend on energy. For information on the price of fuels in the UK go to