This Savings Calculator will give you an indication of typical savings that can be achieved.
Your individual savings performance may vary depending on:
Insulation level
Layout, open plan houses may be slightly easier to heat
Local climate
Long term measurements have confirmed these factors can vary the extremely low average annual Energy savings cost of £ 200 by only 20 to 30%.
How to use
Change only the first two (Heating source and AnnualHeating Bill)
For Gas and Heating oil, input the amount you pay for Gas or Heating Oil (exclude electricity costs)
For Electricity, input the full cost
This calculation is an estimate based on long term usage measurements (see here for more details). Individual savings may vary from the above.