KarbonKit / Calculator

Get an idea of costs and savings for heat pumps, solar PV, and batteries for your home

Your home
The more the calculator knows about your home, the closer the estimate: typical homes like yours from the basics, what the assessor recorded from your energy certificate, or what you really use from your bills.

Enter your postcode to fill in the details from your home's energy certificate (EPC), or fill them in yourself below.

Your postcode

House number/name and street (optional)

Property type

Number of bedrooms

Property age

Floor area (m²)

Number of occupants

Enter your postcode, or your home's details, to begin.