BER Energy Cost Calculator

See how much each BER rating costs to heat per year. Compare ratings side-by-side and calculate how much you'd save by upgrading.

Property Details

Annual Energy Cost by BER Rating

Based on your floor area of 110m² at 2026 energy prices. Your selected rating is highlighted.

Estimated Annual Savings from Upgrade
€1,200
Upgrading from B3 to A2
Current Annual Cost
€1,540
Target Annual Cost
€580
10-Year Savings
€12,000
Green Mortgage Bonus
0.2% lower rate

Know Your BER. Know Your Costs.

A BER assessment tells you exactly where your home loses energy and what upgrades will make the biggest difference.

Book a BER Assessment → SEAI Grant Calculator