MortgageIQ — UK & US Mortgage Calculator

Mortgage Details

🇬🇧 UK

Property Price

£

Deposit / Down Payment

£

%

LTV: 90%

Interest Rate

%

Mortgage Term

yrs

Repayment Type

Stamp Duty / SDLT

— First Time Buyer

Additional Monthly Fees

£

e.g. service charge, insurance

Monthly Payment

Breakdown

Your monthly repayment

£0

— principal + — interest

Loan Amount —

Total Repaid —

            Total Interest
            —
          

            Interest Saved (overpay)
            —
          

Effective Rate —

Stamp Duty —

0%

interest

Principal Interest

Balance & Payments Over Time

Overpayment Calculator

Save Interest ⚡

Extra Monthly Payment

£

📅

Term Reduced By

—

💰

Interest Saved

—

🏁

New Pay-off Date

—

📊

New Total Interest

—

Rate Renewal Simulator

What-If 🔄

See how your payments change when your fixed deal ends and you renew at a different rate.

Fixed Deal Ends After

yrs

New Rate at Renewal

%

Renewal Term (remaining years)

yrs

Leave blank to auto-calculate remaining term

Current Deal

4.5%

—

per month

→

After Renewal

5.5%

—

per month

—

Balance at Renewal —

Total Interest (full term) —

Extra Cost vs Current Rate —

Amortisation Schedule

Year	Opening Balance	Principal Paid	Interest Paid	Closing Balance