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Affordability calculator

  • Estimate how much you could borrow and what your repayments might look like

Remortgage calculator

  • Work out how much you could save by switching to a new deal

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Remortgage rates comparison

  • View the latest remortgage rates and available deals from over 100 lenders

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Remortgage savings

Remortgage savings calculator

Find out how much you could save by switching to a more competitive mortgage deal with favourable rates or better terms.

Your details

Outstanding mortgage Enter the remaining balance of your mortgage. This helps calculate how much you'll need to remortgage.

Mortgage term (years) How many years you plan to repay your mortgage over.

Current interest rate The interest rate on your current mortgage.

New interest rate Enter the new mortgage interest rate you're considering.

Repayment type Interest only: Pay interest monthly.
Repayment: Pay interest and principal monthly.

Estimate how much you could save by remortgaging

Use our remortgage savings calculator to estimate whether switching to a new mortgage deal could reduce your monthly repayments. Your result can help you compare your current mortgage against a potential new deal, including how much you may save each month and over time.

However, the headline saving is not the full story. Arrangement fees, early repayment charges, valuation fees, legal costs and the length of your new deal can all affect whether remortgaging is worth it.

How a remortgage savings calculator can help

Compare your current and new deal

See how your existing mortgage payment could compare with a potential new rate.

Estimate your possible savings

Check the difference between what you pay now and what you could pay on a new deal.

Check the savings beyond the headline

Get a clearer starting point before reviewing fees, early repayment charges, timing and the full cost of switching.

Compare remortgage deals across 100+ lenders

Muttuo Mortgages can compare remortgage deals across 100+ lenders, helping you review rates, fees, early repayment charges and lender criteria before you decide whether to switch, transfer product or stay where you are.

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Your remortgage savings questions answered

A remortgage savings calculator estimates how much you could save by comparing your current mortgage payment with a potential new deal.

It can show a possible monthly saving, but it may not include every fee, charge or product cost.

Not always. A lower monthly payment can help your monthly budget, but it does not automatically mean the mortgage costs less overall.

Fees, early repayment charges, term length and total interest can all affect the true saving.

You may need to check arrangement fees, valuation fees, legal fees, broker fees and early repayment charges.

Some deals also offer free valuations or legal work, but the overall cost should still be compared carefully.

Yes. If you leave your current mortgage deal before the end of the fixed, tracker or discounted period, an early repayment charge may apply.

This charge can reduce the saving from switching, so it should be factored in before you make a decision.

Many borrowers start reviewing their options several months before their current deal ends.

This can give you time to compare rates, avoid moving onto your lender’s standard variable rate and check whether switching, product transfer or staying put makes sense.

No. A product transfer with your current lender may be simpler, but it is not always the cheapest or most suitable option.

Comparing both can help you see whether staying with your lender or switching elsewhere gives you the better overall outcome.

Your results are for guidance only

Your results are for guidance only and are based on the information you enter. They are not a mortgage offer, approval in principle or financial advice.

Your actual savings may depend on your mortgage balance, interest rate, remaining term, product fees, early repayment charges, valuation, legal costs, lender criteria, credit profile and wider circumstances.

A lower monthly payment does not always mean a lower overall cost. You should compare the full cost of remortgaging before switching, transferring product or staying with your current lender.