I wouldn’t count on that. https://www.lifestyledaily.co.uk/article/2021/03/23/how-much-it-costs-heat-bridgerton-and-crown-lookalike-palaces https://www.lifestyl

I wouldn’t count on that. https://www.lifestyledaily.co.uk/article/2021/03/23/how-much-it-costs-heat-bridgerton-and-crown-lookalike-palaces https://www.lifestyledaily.co.uk/article/2021/03/23/how-much... gives £209k as an estimate for heating the main house from Downton Abbey. Now, Italy is a bit warmer than the UK, and most castles a bit smaller, but castles in Italy can be on colder mountaintops.