The energy consumption for space and water heating is computed for a group of seven public-sector houses, over a particular period of time. The results are compared with measured solid fuel and electricity consumption for the same period. Good agreement is obtained except in cases where the heating system allows the occupiers to use very intermittent heating. The efficiency of solid fuel heating in three of the houses, taking both the appliance and the heat transfer system into account, is deduced from the results, and is found to be between 52 and 54.5 per cent.
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