Step 2/3 - Property Eligibility 4. How much loft insulation does your property have?* NoneLittle (1mm - 100mm)Moderate (101mm - 200mm)Lots (201+ mm)Unknown 5. What fuel is used to heat the property?* Mains gasElectricOilLPGBiomassSolid fuel (coal, wood, etc.)UnknownOther 6. How old is your heating system?* Recent upgrade (0-5 years)Moderately old (6-15 years)Aging system (20+ years)Unknown
