Case Studies

Estimating Littlebury’s Overall Energy Use Version 1

I have had a go at a rough estimate of the Annual Littlebury energy usage: The result is between 5800 and 6300 MWh depending on method of averaging. We should regard this as an initial range finder of the amount given the details and caveats below, and an estimate that can be improved.  The average […]

Listed Home Restoration

The Old Bakery is a Grade II Listed building in Littlebury, with the majority of the house dating from the early to mid 1700’s. It was originally a number of small cottages, including the village shop and presumably a bakery. Over the years the house was modified and extended, including the combination of the various

1930s Home – Retrofitted Air-Source Heat Pump

An example of a 12kW air-source heat pump replacing a gas boiler in a 1930’s four-bedroom semi-detached house in Saffron Walden. In 2019, we had building work done to add an external office and workshop. This required that the gas boiler and hot water tank be moved, so it was a good opportunity to replace

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