Free, private tools
Practical calculators for UK households. They run entirely in your browser — nothing is stored or sent anywhere.
-
Family readiness check
A 2-minute check on how ready your family is — documents, renewals and whether both partners know where everything is.
Open tool -
Mortgage repayment calculator
Monthly payment, total interest, and how much overpaying saves you.
Open tool -
Mortgage rate change calculator
See exactly how a new interest rate changes your monthly payment.
Open tool -
Loyalty penalty checker
Compare your insurance renewal with the best quote — and see what staying put costs.
Open tool -
Renewal reminder calendar
Add your renewal dates and download a calendar that reminds you — every year.
Open tool -
Subscription cost calculator
List your subscriptions and see the real yearly total. Private, no bank linking.
Open tool
More tools coming — a renewal-reminder calendar, stamp duty and overpayment calculators.