Some 47 million people in Europe were unable to heat their homes sufficiently last winter. This figure has risen dramatically since 2021. Three factors are decisive when it comes to “energy poverty”: obsolete buildings, high energy costs, and low household incomes. Experts warn that the result may be social conflict.
I know people don’t like to hear it but, assuming you and your neighbours collectively own the house, taking out a loan for a renovation like this isn’t the worst idea. Might be a massive headache though.