Case Studies

Solar Panels and Battery Installation in a Modern Bungalow

*** Update : Gordon updated us on his first spring with the Solar Panels: “Just to update you on my Solar Panels. I only used £1.92 of electricity during May 2024 and my bill for the month was £18.16 (Ed: Predominantly made up of standing charges).” *** The photographer Gordon Ridgewell moved to Littlebury about

Modern House with Air Source Heat Pump

Cindy Whife and Malcolm Domb have lived in a recently built three bedroom detached house in Peggys Walk since 2013. Although these well-insulated houses were designed for low carbon heating, the initial prototype ASHPs performed badly and have generally been replaced with new much more effective and efficient models. Cindy says “The original heat pumps

Listed Building with Retrofitted Air Source Heat Pump (ASHP)

Charlie Wittich lives with his wife and two children in a Grade 2 Listed (applies to whole house), 4 bed house in the Littlebury Conservation Area. The house is in 3 sections – an original 1560 part fronting the high street and mid-1800’s and mid-1900’s extensions. The house had a very old oil boiler when

Solar and Battery in 1960s House

In 2014 we had Solar Photovoltaic panels installed on the roof. The system is oriented East – West because of the pitch of the roof and consists of 13 panels (Renesola 255W with Solar Edge inverter and voltage optimisers), 3 panels oriented to the East and 10 to the west giving a combined capacity of 3,32 kW. On average the panels generate 2.74MWh of electricity per year over the past years.

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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