I've half looked into external insulation. I don't think the roof overhang is enough though. So I'm not sure it's worth it as the roof would need sorting too.

I've half looked into external insulation. I don't think the roof overhang is enough though. So I'm not sure it's worth it as the roof would need sorting too. Ultimately my direct debit for gas electricity is only £10pm at the mo after the govt bung so my house is about as good as I'm going to get it anyway.