Can You Remortgage Early? Breaking a Fix, the Charge and the Timing
Updated 23 September 2026
Yes, you can remortgage early. Nothing stops you leaving a fixed or discounted deal before it ends, but the current lender will usually charge an early repayment charge of between 1% and 5% of the balance for the privilege, and that charge decides whether moving early makes sense. This guide sets out how soon you can line up a new deal, what leaving a fix mid-term costs, the break-even sum that settles the decision, and what to do if your fixed rate has already ended. Mortgage One is a whole of market mortgage adviser helping homeowners and landlords decide whether to break a fixed rate early or wait.
If your fixed rate has more than a year left and you want the early repayment charge set against what a new deal would save before you decide, call 01202 155992 or contact Mortgage One.
How early can you remortgage before your fixed rate ends?
You can start a remortgage up to six months before your fixed rate ends, because a new lender’s mortgage offer is usually valid for six months and the new deal can be dated to start the day the old one finishes. Product transfers with your existing lender open later, typically three to four months before the end date.
How soon can you remortgage, then? The six-month figure comes from offer validity rather than from any rule about switching. A new lender underwrites the case, issues an offer that lasts around six months, and the solicitor completes the transfer on the date your current deal expires. That is why starting the search six months out costs nothing and protects you if pricing rises in between. Where the deal ends sooner than that, the window simply shortens, and a straightforward case with a new lender still completes in four to twelve weeks.
Staying with your current lender works to a shorter clock. Halifax and Santander let existing customers arrange a new deal four months before the current one ends, NatWest opens its roll-off window around four months out, and Barclays allows a switch up to 90 days ahead. Our product transfer mortgage guide explains how the switch window and the free re-pricing that most lenders allow before completion work together.
Can you remortgage during a fixed term and what does it cost?
You can remortgage during a fixed term, but the lender will apply an early repayment charge, usually between 1% and 5% of the balance being repaid. On a £200,000 mortgage a 3% charge is £6,000. Most fixes step the charge down each year, so leaving in the final year costs far less than leaving in the first.
The charge exists because the lender priced your fixed rate on the assumption you would keep it for the full term. On a five-year fix a typical schedule runs 5% in year one, 4% in year two, then 3%, 2% and 1%, although some lenders apply a flat percentage for the whole period. The exact figures are printed in your mortgage offer and on your annual statement, and they are the first thing to read before assuming an early switch is worthwhile.
Two things sit outside the charge. First, most lenders let you overpay up to 10% of the balance each year without penalty, and HSBC states that allowance on its overpayment calculator, so reducing the balance is possible without remortgaging at all. Second, porting the same deal to a new home with the same lender normally avoids the charge, provided the full balance moves with no gap between sale and purchase, which NatWest sets out in its moving home guidance. Our fixed-rate mortgage guide covers how the charge and the overpayment allowance are written into each product.
When breaking a fix early pays: the break-even sum
Breaking a fix early pays when the monthly saving on the new deal, multiplied by the months left on the current one, clearly exceeds the early repayment charge plus the new product fee and any exit fee. If the answer is marginal or negative, reserving a new rate to start when the fix ends captures the pricing without the penalty.
Take a £200,000 balance with 24 months left on a fix, an early repayment charge of 2% and a new deal carrying a £999 product fee. The cost of leaving is £4,000 plus £999, or £4,999. If the new deal saves £250 a month, 24 months of savings come to £6,000 and the move is £1,001 ahead before legal and valuation costs. If the saving is £150 a month, the total is £3,600 and the move loses money. The figures are illustrative, but the method is the one a broker uses on every early remortgage.
The sum also has a hidden variable: what happens to rates before the fix ends. If pricing is expected to rise, reserving a deal now and keeping the current fix to the end locks in today’s rate for later without paying any charge, and most lenders let you drop to a cheaper rate if one appears before completion. Our remortgage calculator shows the monthly difference between two rates on your own balance so the first half of the sum takes seconds.
For a free initial consultation that puts your early repayment charge against today’s remortgage pricing and tells you whether to move now or reserve, call 01202 155992 or contact Mortgage One.
How often can you remortgage and is there a six-month rule?
There is no legal limit on how often you can remortgage. The practical limits are the early repayment charge on each deal you leave and the six-month rule, an industry convention under which most mainstream lenders will not remortgage a property until six months after the purchase or the last remortgage was registered at HM Land Registry.
The six-month rule is not law. It began as Council of Mortgage Lenders guidance, now under UK Finance, and lenders apply it as internal policy to stop rapid back-to-back refinancing. Because Land Registry registration itself can take several weeks after completion, the effective wait from completion is often nearer seven or eight months on the high street, and a smaller group of specialist lenders will consider a case inside six months where the reason is sound.
Beyond that rule, remortgaging every two years is normal for borrowers on two-year fixes, and the only cost of doing it is the fee stack each time: product fee, valuation, legal work and any exit fee. Our remortgage advice guide weighs those costs against a product transfer for the borrower who does not want to move lender every cycle.
Do you need a solicitor to remortgage early?
Yes, if you are moving to a new lender, because the legal charge over the property has to be transferred, and most remortgage products include a free legal service to cover it. No, if you are taking a product transfer with your existing lender, because the mortgage stays where it is and no conveyancing is needed.
Free legal packages are convenient but can be slow, because the panel firm handling them works on volume. When the current deal ends soon and the standard variable rate is waiting, paying a conveyancer you appoint yourself can be worth the fee for the speed. Where the case adds borrowing, changes the names on the title or involves a leasehold flat, the legal work grows and the timeline with it.
A product transfer removes the solicitor entirely, which is one reason it completes in around a week against four to twelve weeks for a new-lender remortgage. That speed advantage matters most for anyone who has left the decision late and is about to fall onto the reversion rate.
What to do when your fixed rate ends and you have not acted
If your fixed rate has ended and you did nothing, you are on your lender’s standard variable rate, which averaged 7.13% on 16 September 2026 against average two-year and five-year fixed rates of 5.77% and 5.83%. A standard variable rate carries no early repayment charge, so a product transfer can move you onto a new deal within days.
The order of actions is short. Ask your current lender for its retention rates, which it can normally apply from the next payment date without a valuation or a fresh affordability test. In parallel, price the whole of market, because the retention offer only ever reflects one lender’s view. If a new lender is cheaper over the deal period after fees, take the product transfer as a stop-gap only if it carries no early repayment charge, otherwise go straight to the remortgage and accept a few more weeks on the variable rate. Our standard variable rate guide explains why the reversion rate moves at the lender’s discretion rather than with Bank Rate.
One trap to avoid is drifting. On a £200,000 interest-only balance the gap between 7.13% and 5.77% is about £227 a month, and that cost repeats every month the decision is deferred.
Remortgaging early in the September 2026 rate market
The Bank of England held Bank Rate at 3.75% on 17 September 2026 by six votes to three, with the three dissenters preferring a rise to 4%, and the next decision is due on 5 November 2026. With around 1.8 million fixed-rate deals ending during 2026, lenders are competing for maturities even as average pricing edges higher.
That split vote is the reason the reserve-and-wait strategy has replaced the wait-and-see one. Fixed pricing follows swap rates rather than Bank Rate, and swap rates move on what the market expects the committee to do next, so a hawkish hold can lift fixed rates before any actual rise. Reserving a rate up to six months ahead, then switching down if pricing improves before completion, captures either outcome. Our analysis of whether you should fix your mortgage now sets the two-year and five-year decision against the November meeting.
For anyone inside a fix with more than a year to run, the market view changes the break-even sum in one direction. If rates are more likely to rise than fall, the value of leaving a low fix early falls, because the deal you would move to is unlikely to get cheaper by waiting and the fix you hold is protecting you. The interest rate projection page tracks where the market prices Bank Rate through 2027, which is the input that matters for anyone weighing a two-year switch against a five-year one.
To have your reservation window, your lender’s retention offer and the whole of market priced side by side before your current deal ends, call 01202 155992 or contact Mortgage One.
The information provided in this article is for general guidance only and does not constitute personal or regulated financial advice. If you’d like to understand what these moves could mean for you, speak to Mortgage One. We can explain your options and timings based on your specific circumstances.
FAQs
1. What is the earliest I can remortgage?
With a new lender, around six months before your current deal ends, because that is how long a mortgage offer usually lasts and the new deal can be dated to start when the old one finishes. With your existing lender, most product transfer windows open three to four months out. Leaving a fix earlier than that means paying the early repayment charge.
2. What is the penalty for remortgaging early?
An early repayment charge, usually between 1% and 5% of the balance repaid, set out in your mortgage offer. Many fixes step the percentage down each year. On a £200,000 balance a 2% charge is £4,000. An exit or administration fee from the old lender may apply on top.
3. Is it worth remortgaging early?
Only when the monthly saving multiplied by the months left on the current deal clearly exceeds the early repayment charge plus the new product fee. On a marginal sum it is usually better to reserve a new rate to start when the fix ends, which captures the new pricing without the penalty.
4. How early can you remortgage without paying an early repayment charge?
The charge applies until the last day of the fixed or discounted period, so the only way to avoid it is to complete the new mortgage on or after that date. Reserving the new deal up to six months ahead and completing on the end date is the standard way to do that.
5. Can you remortgage with the same lender?
Yes. A new deal with your existing lender is called a product transfer or rate switch. It usually involves no valuation, no solicitor and no fresh affordability check on a like-for-like balance, and it completes in around a week. The trade-off is that it only compares one lender’s pricing.
6. Do you need a valuation to remortgage?
A new lender will value the property, often through an automated or desktop valuation that costs nothing and takes days, with a physical inspection where the loan-to-value or property type warrants one. A product transfer with your current lender normally uses the lender’s own indexed valuation and needs no inspection.
7. Can a broker tell me whether to remortgage early?
Yes. A whole of market broker runs the break-even sum on your actual early repayment charge, prices the retention offer against the rest of the market, and sets the timing so a reserved deal starts the day the current one ends. The lender pays the broker a procuration fee, so the comparison need not cost more than going direct.