if your cavity-wall insulation is deemed ‘hard to treat’, you may be able to benefit from a subsidy under the Energy Company Obligation. ‘Hard to treat’ walls are those that are not straightforward to ...
if your cavity-wall insulation is deemed ‘hard to treat’, you may be able to benefit from a subsidy under the Energy Company Obligation. ‘Hard to treat’ walls are those that are not straightforward to ...
Cavity Wall Insulation Most homes built between 1920 and 1990 have a gap between internal and external walls. Filling this cavity with insulating material keeps out cold air and retains warm air, but ...