What are early repayment charges and how do they affect the sale of my house during a fixed term mortgage?
An early repayment charge (ERC) is a fee your mortgage lender may apply if you repay a fixed-term mortgage, including through the sale of your house, before the deal ends. It increases the amount needed to redeem the mortgage and can reduce the funds left from the sale, so you should request an up-to-date redemption statement before committing to a sale.
An early repayment charge can make selling during a fixed-rate mortgage more expensive because the lender may require the charge, the remaining mortgage balance and any other redemption costs to be paid when the loan is repaid. Whether it applies depends on the terms of your mortgage and the date on which the lender receives the repayment.
How an early repayment charge affects your sale proceeds
The amount available to you is not simply the agreed sale price less the mortgage balance. A practical calculation should also allow for:
- the early repayment charge;
- any mortgage exit, administration or redemption fees;
- legal fees and other selling costs;
- repayment of any secured loan or second charge; and
- adjustments dealt with on completion, such as agreed repairs or apportionments.
The result is the net equity released by the sale. If the property is sold for enough to cover all secured borrowing and sale costs, the charge reduces the amount you receive. If the sale price is insufficient, you may need to provide additional funds or obtain the lender’s agreement to an alternative arrangement.
When the charge is normally assessed
The relevant date is usually the date the mortgage is actually redeemed, which is commonly linked to completion rather than the date you accept an offer or exchange contracts. This distinction matters if your fixed period is due to end between exchange and completion. Completing after the fixed term may avoid the ERC, but it could also expose you to the lender’s follow-on rate or other interest before redemption. Your mortgage conditions and redemption statement should confirm how the lender treats the dates.
An ERC may reduce during the fixed period or disappear on a specified date, depending on the product. Some mortgages also include an annual overpayment allowance. Using that allowance may reduce the balance without triggering the full charge, but it does not automatically remove an ERC on the remaining balance when the property is sold. The exact rules vary, so do not assume that making an overpayment or delaying completion will be cheaper without checking the figures.
Request a redemption statement before deciding
Ask your lender for a redemption statement based on a realistic proposed completion date. It should show the balance required to repay the mortgage and identify applicable charges. If the completion date changes, request an updated statement because daily interest, the end of the fixed period or a change in the ERC band can alter the amount.
Give the statement to your conveyancer. The solicitor normally requests the final redemption figure, receives the sale proceeds, pays the lender and accounts to you for any remaining balance. The lender’s figure is more reliable than an estimate based on your latest monthly statement, which may not include the charge or interest up to completion.
Can you avoid or reduce the charge?
- Wait until the charge period ends: If your circumstances allow, compare the cost of delaying completion with the additional mortgage interest, property costs and risk of the sale falling through.
- Use an allowed overpayment: Check whether your mortgage permits penalty-free overpayments and whether the allowance applies before redemption. The allowance may be subject to conditions.
- Port the mortgage: If you are buying another property, the lender may allow you to transfer the mortgage product to it. This is not automatic: the new property and your finances may need to satisfy the lender’s assessment. Any additional borrowing may be placed on different terms, and selling without completing an approved port can still result in an ERC.
- Ask whether a refund applies: Some mortgage arrangements have specific provisions where a property is sold and another loan is completed within the lender’s required process. Only the lender can confirm whether such a provision applies to your product.
- Compare the full cost of alternatives: A lower ERC is not necessarily the cheapest option if it requires a more expensive mortgage, bridging arrangement, further interest or additional professional fees.
Do not assume that a buyer’s cash position changes the lender’s contractual right to charge an ERC. A cash-funded purchase may remove the buyer’s need for a mortgage, but your existing mortgage still has to be redeemed in accordance with its terms.
What if the sale price will not cover the charge?
Where the expected sale proceeds will not repay the mortgage and associated costs, tell the lender and conveyancer before committing to the transaction. The lender may require evidence of how the shortfall will be paid and may need to approve the sale. This is sometimes referred to as a shortfall or negative-equity situation. Do not rely on completion proceeds that are not contractually available, and do not exchange contracts until the funding position is clear.
Depending on the circumstances, possible sources of funds could include personal savings, an agreed contribution from another source or a separately assessed refinancing arrangement. Each option has its own affordability, legal and cost implications. A lender may refuse a proposed sale if its requirements are not met, so early communication is important.
How to assess whether selling now is sensible
- Check the fixed-rate end date and the ERC terms in the mortgage offer and conditions.
- Request a redemption statement for the likely completion date.
- Obtain a realistic sale valuation and calculate the expected net proceeds.
- List all secured debts and selling costs, not just the first mortgage.
- Compare selling now with waiting, porting or another permitted mortgage option.
- Ask an independent mortgage adviser or solicitor to explain any product-specific consequences before exchanging contracts.
A specialist cash buyer may be relevant where avoiding a prolonged traditional marketing process is important, but the offer price still needs to be compared with the mortgage redemption figure and every selling cost. The key decision is based on the complete net position, not the headline sale price or the ERC viewed in isolation.

An early repayment charge is separate from the interest and balance needed to repay your mortgage. When reviewing a redemption statement, check that the figures are shown as distinct items rather than treating the total as one unexplained amount.
The statement may include the outstanding capital, interest calculated up to the stated date, the early repayment charge and separate administration or discharge fees. Ask the lender or your conveyancer to explain any item you do not recognise, particularly if the amount differs from an earlier estimate. A small change to the completion date can affect interest and, in some cases, the applicable charge band.
It is also important to check whether the statement has an expiry date. If completion does not take place within that period, the figure may no longer be valid and a replacement statement will be needed. Keeping the lender’s written calculation with your sale paperwork gives your conveyancer a clear basis for checking that the mortgage is redeemed correctly and that the net proceeds are calculated from current figures.
Review Your Early Repayment Charge Before Selling
If you are considering selling before your fixed term ends, contact buyhousesfast.co.uk to discuss your property and the likely mortgage position. You can then compare any proposed offer with your redemption figure, early repayment charge and other selling costs before deciding how to proceed.