Keeping warm or cool: Page 90 & page 91
Decarbonising heating and cooling
This is a massive challenge especially on older, poorly insulated buildings. There are many aspects to consider. These resources won’t give you all the answers, but they will steer you in the right direction and help you take the first steps.
The Passivhaus Trust is the thought leader in this area and is setting the standards for what is required https://www.passivhaustrust.org.uk/
And here’s a story showing how, with imagination, these principles can be put into practice https://www.youtube.com/watch?v=s--1w1PQeF8
The SuperHomes website has many examples of refurbishment/retrofit projects: http://www.superhomes.org.uk/
The CAT information pages give more advice on all these measures, including using natural & renewable insulation materials, and further links: https://www.cat.org.uk/free-information-service
The Energy Saving Trust has lots of information about general energy saving measures, such as insulation and heating controls: http://www.energysavingtrust.org.uk
You can find out more about heat pumps here: https://heatpumps.co.uk/about-us
And find skilled advisers who can do heat loss surveys, as well as competent installers here:
https://mcscertified.com
https://carbon.coop/
Smart digital control systems are a key part of the mix https://www.which.co.uk/reviews/smart-thermostats/article/guides