They will not be permitted to carry out the home improvement or repair unless they agree to fork out for measures such as loft or wall insulation.
The work is expected to add ten per cent to the cost of any building project in the home.
Those who do not have the money will have to borrow it under the Coalition’s Green Deal – and pay it back for years through an extra charge on their energy bills.
Costs: Many will not be permitted to carry out the home improvements or even repairs unless they agree to pay for measures such as loft or wall insulation
Critics say the scheme is yet another grab from the incomes of people who are already struggling to heat their homes or make ends meet.
There are also fears the stealth charge on home improvements could drive people into the arms of cowboy builders who fit boilers without the correct paperwork, putting the householder at risk.