Here’s another term used a lot in retrofit. ‘Fabric first’ means prioritising repairs, insulation, draught-proofing and ventilation ahead of ‘add-ons’ such as solar panels. Basically, improving the performance of the building fabric before adding extra systems.
If you’re tight on budget or you need help to prioritise your improvements, it’s worth considering a fabric first approach. This route has lots of benefits and there’s no point fitting a shiny new PV system on a damaged roof, or a heat pump into a draughty and damp home.
Marianne Heaslip, Retrofit Architect from URBED explains why: