Think of the planet and your pocket! - you could save a packet by simply insulation your home effectively.

It is the tenant that is elegable for a insulation grant as they pay the bills. You do not pay anything to the cost if they are over 70+
It is the tenant that qualifies for the insulation grant, so if your tenant is only eligible for a partial grant it is them that pays the remainder.
Fill in the form on this website to see if your tenants qualify.