Step-by-step retrofit
LETI Climate emergency retrofit guide, How existing homes can be adapted to meet UK climate targets, published by LETI in October 2021, defines step-by-step retrofit as: ‘The concept of planning a retrofit in a series of stages – perhaps over several years. This approach goes alongside the whole house approach to ensure that the final result is a dwelling which has been retrofitted to its full potential without adverse impact on the building fabric or the internal living environment.’
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