Insulation Savings Calculator
See how much insulating your loft, walls or floors could save.
You'd save each year
Tell us your bill, install cost and what you're insulating.
How it works
We use typical Energy Saving Trust percentages: loft ~20%, cavity wall ~15%, solid wall ~25%, suspended floor ~10% off your heating bill.
Real savings depend on your home's age, current insulation and how warm you keep it.