I am sure somebody has said it already, but if you have a che@p supply of wood, and it is allowed, then it is not a bad thing 5o get a wood burning system.
I had a such system with additional electric heating once.
Electrics kicked in when the Central heating water went below a certain temperature.
In my current house in Northern Norway we have a heat exchanger in one spot downstairs with additional underfloor heating in both bathrooms.
If the temperature goes cold and the heat exchanger can not warm the whole house, to prevent pipes and toilets freezing, the underfloor heating kicks in.
I had a such system with additional electric heating once.
Electrics kicked in when the Central heating water went below a certain temperature.
In my current house in Northern Norway we have a heat exchanger in one spot downstairs with additional underfloor heating in both bathrooms.
If the temperature goes cold and the heat exchanger can not warm the whole house, to prevent pipes and toilets freezing, the underfloor heating kicks in.