Estimate of Annual Fuel Cost

The estimated annual fuel cost for a boiler whose efficiency is
and fuel is
under typical conditions in properties of average size and construction is
Flat
Bungalow
Terraced
Semi-detached
Detached

For comparison, the fuel cost for older less efficient boilers is
Boiler Type
Efficiency
Flat
Bungalow
Terraced
Semi-detached
Detached
Heavy weight
55%
Light weight
65%


This assumes a fuel price of
standing charge (per quarter)
£
unit charge (pence per kWh)
The fuel price is taken from Table 12 of
SAP 2005
or User Entered


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