[jnsaff2]

I lived in a Georgian (so built somewhere in 19th century) flat in London with Nest, gas boiler and thermostats on radiators. My experience was similar.

In a while I realized that to make the experience smart would not be to add a different thermostat but to change the windows and have some proper insulation. To get that I had to ditch the whole country tho. It's just abysmal how much gas is fired to heat the streets.

Insulating an old house in the city is expensive but it had been there for 150ish years .. the breakeven from adding insulation would be what? 10 years? 20?