What is a Deep Retrofit?
A deep retrofit looks at the house as a whole and addresses all aspects of energy use in the home. The aim of a deep retrofit is to achieve a BER A-rating. To achieve this a number of areas need to upgraded together to increase the energy efficiency such as:
- Wall insulation
- Replacing windows and doors.
- air tightness and
- Providing a renewable energy resource
The work involved is extensive and would be likened in scale to an extension.