Independent planning tools for UK homeowners

Make the numbers behind your home easier to understand.

Compare costs and options before speaking to an installer, lender or adviser.

A modern UK home with solar panels and a heat pump beside a household planning illustration

Your tools

Choose a tool to start planning

Home Energy Upgrade Planner

Compare the costs and savings from heat pumps, solar, batteries, air conditioning and EV charging.

Open the upgrade planner

Advanced Mortgage Planner

Explore repayments, overpayments, interest and alternative mortgage scenarios in one place.

Open the mortgage planner