Having a tracker mortgage does not automatically mean you can repay or switch without a penalty. A tracker rate follows an external reference rate—often the Bank of England base rate—but the early repayment charge (ERC), overpayment allowance and any administration or redemption fee are separate contractual terms. Your mortgage offer and current lender tariff decide what you will pay.
Before making a lump-sum payment, clearing the loan, moving home or remortgaging, check your offer and illustration, then ask the lender for an up-to-date redemption statement. The maximum charge shown in an illustration may not be the amount that applies to your balance today.
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What a tracker mortgage is—and what it does not tell you
A tracker mortgage normally changes in line with an external rate, commonly the Bank of England base rate, plus or minus a fixed margin. When the reference rate changes, your interest rate and payment may change according to the product’s terms. The Financial Conduct Authority (FCA) explains tracker mechanics in its consumer mortgage guidance.
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Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →That rate formula says nothing by itself about exit costs. Two tracker products can have different rules for lump-sum overpayments, full repayment, switching to another deal or moving house. The charge period may end on a particular date, or the product may permit repayment at any time. Read the individual contract rather than assuming that “tracker” means either ERC-free or ERC-bearing.
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What is an early repayment charge (ERC)?
An ERC is a charge for repaying some or all of the mortgage, or changing product, in circumstances defined by the mortgage contract. It can be triggered by a full redemption, a partial overpayment above the permitted allowance, or a switch during the charge period. The trigger, calculation and end date are product-specific.
Some contracts express the charge as a percentage of the amount repaid; others use a flat amount or another disclosed calculation. MoneyHelper describes 1% to 5% as a general range for some ERCs and notes that flat-rate deals exist. That is general guidance, not a tracker-market benchmark or a quote for your account.
Regulatory standard for regulated mortgages
For a regulated mortgage contract, FCA rule MCOB 12.3.1R requires an ERC to be both expressible as a cash value and a reasonable pre-estimate of the costs resulting from repaying before the contract ends. The rule states:
“A firm must ensure that any regulated mortgage contract that it enters into does not impose, and cannot be used to impose, an early repayment charge other than one that is: (1) able to be expressed as a cash value; and (2) a reasonable pre-estimate of the costs as a result of the customer repaying the amount due under the regulated mortgage contract before the contract has terminated.”
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FCA guidance in MCOB 12.3.2G says a firm should not use the “Rule of 78”, because it effectively overstates the lender’s cost. This regulatory protection does not create one universal percentage cap for every mortgage fee, and it does not remove the need to read your contract.
How the ERC appears in your mortgage paperwork
FCA mortgage-illustration rules require the illustration to show the maximum ERC where one applies and provide cash examples. The illustration should also describe overpayment restrictions and state whether the balance on which interest is charged falls immediately after an overpayment.
Look in the mortgage offer, illustration and terms for:
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- the date or event when the ERC starts and ends;
- whether it applies to full repayment, partial repayment, product switching or all three;
- the calculation method and any stepped percentages;
- the amount that can be overpaid without a charge;
- the measurement period for that allowance and which payments count;
- whether an incentive, fee or cashback must be repaid if you leave early; and
- the lender’s current tariff for administration, redemption or other account fees.
An illustration’s maximum is not necessarily today’s account-specific amount. Ask the lender for a redemption statement or settlement quote dated for your intended repayment. Request a separate explanation of each line item if the total is unclear.
Is an exit fee the same as an ERC?
No. An ERC compensates for early repayment in the situations set out in the mortgage contract. An exit, administration or redemption fee is a separate charge for closing or processing the account, and it may be payable even when no ERC is due. A lender may charge one, several or none of these fees.
There is no universal tracker-mortgage exit fee established by the available evidence. The amount, name and trigger are in the lender’s current tariff and your offer. A redemption statement should identify an ERC separately from administration or discharge costs. Do not treat “no ERC” as proof that the total cost of leaving is zero.
Overpaying a tracker mortgage
Overpayment rights depend on the deal. A product may allow a penalty-free annual amount, but the allowance can differ by lender and may be measured from the anniversary of completion, by calendar year or over another period. The contract may also distinguish regular monthly overpayments, one-off lump sums and payments made when you sell.
MoneyHelper says an annual limit of 10% is common, not guaranteed. An allowance can be calculated against the original advance, the balance at the start of the allowance year or another figure. Exceeding it can trigger an ERC, and some contracts apply the charge only to the excess while others define a different basis.
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Questions to ask before paying a lump sum
- What is my penalty-free allowance for the current period, and when does that period reset?
- How much of my proposed payment falls within the allowance?
- Will the payment reduce the balance used to calculate future interest immediately?
- Will the lender shorten the term, reduce the payment, or require me to choose an option?
- Will any ERC, administration fee or incentive repayment be added?
- Can the lender apply the payment on a specific date to avoid crossing an allowance or charge-period boundary?
A lender-specific example: HSBC UK
HSBC UK publishes a tracker product statement saying: “No, HSBC Tracker rates allow unlimited overpayments without any charges, this means you can repay your mortgage in full or switch to another rate without paying an early repayment charge (ERC).” HSBC also states that its tracker has no exit fee on full repayment. These are HSBC’s published terms for that offer, not a general rule for tracker mortgages. Your own lender may use different conditions, and terms can change for new products.
How to calculate the real cost of leaving
Build the calculation from separate components rather than comparing rates alone:
| Cost or benefit | What to establish |
|---|---|
| ERC | Whether your action triggers it, the current cash amount and the date it expires. |
| Lender administration or redemption fee | Whether a separate tariff charge applies to closing, transferring or releasing the charge. |
| Incentive repayment | Whether cashback, a fee contribution or another benefit must be repaid under the offer. |
| Replacement product fee | The fee for the new rate or mortgage, including when it is payable and whether it can be added to the loan. |
| Legal, valuation and administration costs | Costs of the new lender, conveyancer, valuation and any broker or administration service. |
| Interest and payment exposure | How each rate could change and the payment you can afford if the reference rate rises. |
| Expected holding period | How long you expect to keep the replacement deal; a short stay can make upfront fees disproportionately important. |
Compare the total cost of switching with the cost of staying for the same expected period. APRC can help with a full-term comparison, but it assumes the mortgage is held for its entire term and may not answer whether a short-horizon switch is worthwhile. Include the current charge, new product fees and all legal, valuation and administration costs in your own time-period calculation.
Step-by-step: check your charge before acting
- Gather the documents. Find the mortgage offer, mortgage illustration, conditions, annual statements and any later variation notice. Use the version that applies to your current account, not only an old product leaflet.
- Mark the charge period. Note the ERC start and end dates, stepped rates and the events that count as early repayment or product switching.
- Check overpayment rules. Record the annual allowance, reset date, eligible payment types and the consequence of exceeding the limit.
- Check separate fees. Read the lender tariff for redemption, administration, discharge or account-closure charges and look for any incentive clawback.
- Request a dated redemption statement. Tell the lender whether you intend a partial overpayment, full repayment, remortgage or sale, and the proposed completion date.
- Ask for a written breakdown. Require the lender to identify the ERC, each administration fee, outstanding balance, daily interest and the date to which the quote is valid.
- Model alternatives. Compare staying, overpaying within the allowance, waiting until the charge ends, porting, and switching now. Use the same expected holding period for each option.
- Confirm timing. A quote can change with daily interest or a different completion date. Obtain a refreshed figure immediately before completion or repayment.
Moving home and portability
A portable mortgage may allow some borrowing to continue on the existing terms when you move, but portability is not an automatic right to a new loan. MoneyHelper says porting is treated like a new mortgage application, so affordability and lending checks apply. Any extra borrowing may be offered on different terms.
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If you cannot port, or if the amount and property do not fit the lender’s criteria, repaying the old loan can trigger the product’s ERC. Ask the lender how the charge applies to your intended move before you commit to a sale or purchase. Get the answer and the redemption figure in writing.
Switching rate or remortgaging
Ask whether your proposed change is an internal product switch, a remortgage to another lender or a full repayment. Each can have different triggers. A switch during an ERC period may be treated as early repayment even if the balance stays with the same lender.
Compare the complete package: the current ERC and redemption costs, the new rate, product fee, legal and valuation charges, administration costs, and the period you expect to keep the new deal. A lower headline rate can still cost more when a large ERC and upfront fees are included.
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First complain to the lender, explaining which term you believe was misapplied and attaching the offer, illustration and redemption statement. Ask the lender to explain the calculation, the event that triggered it and the tariff basis for each separate fee.
The Financial Ombudsman Service considers complaints about an unexplained charge, its amount, how it was applied, or a declined porting request. It looks at the mortgage terms, relevant rules and standards, how the fee was explained and the customer’s circumstances. It does not guarantee that a charge will be cancelled, so follow the lender’s complaints process and keep records of dates, documents and responses.
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Decision checklist
- Have you identified the exact ERC trigger and expiry date?
- Have you confirmed the remaining penalty-free overpayment allowance and reset date?
- Have you separated the ERC from redemption, administration and incentive-repayment costs?
- Do you have a current, dated redemption statement?
- Have you compared all switching costs with staying for the same expected period?
- If moving, have you checked portability and passed the lender’s affordability requirements?
- Can you afford the replacement payment if the tracker or new variable rate rises?
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