This remortgage checklist 2026 exists because your fixed mortgage deal ending is one of the most expensive dates in your financial calendar — if you miss it. When a fix ends, you do not stay on your old rate. You drop onto your lender’s Standard Variable Rate (SVR), which in 2026 typically sits around 7–8%, and in May 2026 averaged about 7.13% against fixed rates of roughly 5.70–5.81%. Every month on the SVR is money you did not need to spend. This checklist makes sure that does not happen to you.
1. Find your end date — today
Check your mortgage offer or your lender’s app for the exact date your fixed, tracker or discount period ends. Put a reminder six months before it. That six-month mark is when the real work starts, because most lenders let you lock in a new rate up to six months before completion, and the new deal only starts when the old one ends — so you can secure today’s rate without paying an early repayment charge.
2. Check whether you will pay an early repayment charge
An Early Repayment Charge (ERC) is the penalty for leaving a fixed deal early. A common pattern is 5% of the outstanding balance in year one, falling by 1% each year, and many lenders waive ERCs in the final months of a fix. The rule of thumb: if you complete the switch on or after your fix ends, there is normally no ERC at all. If you are thinking of breaking a fix early because rates have fallen, do the maths first — the rate saving multiplied by your balance and the years remaining must beat the ERC plus product fee and legal costs. Most of the time, it does not.
3. Product transfer or full remortgage?
A product transfer is a new deal with your current lender. It is usually faster, often needs no affordability check or valuation, and sometimes carries no fee. A full remortgage moves you to a new lender: it means a full application, credit check, affordability assessment and valuation, and typically takes 6–12 weeks — but it can unlock a better rate. If your circumstances have changed, or your property value has risen and pushed you into a lower loan-to-value band, shopping around is usually worth it. If speed and simplicity matter most, start with your current lender’s product transfer range and use it as your benchmark.
4. Work out your true cost, not just the headline rate
A lower rate with a £1,000 product fee can cost more than a slightly higher rate with no fee, depending on your balance and fix length. Compare the total cost over the fix period: rate, product fee, valuation and legal fees (many remortgage deals include free legals and valuation). And check whether the deal lets you overpay — even small regular overpayments cut years off a mortgage. Try the numbers on our Mortgage Overpayment Calculator before you choose a term.
5. Get your paperwork ready
A remortgage application typically needs photo ID, proof of address, three months of bank statements, recent payslips or accounts if you are self-employed, and details of your current mortgage. Having these ready at the six-month mark is what turns a 12-week process into a smooth one. If your credit score has dropped since you last borrowed, or your income has changed, tell your broker early — surprises late in the process are what cause delays.
6. Watch the rate environment — but do not gamble on it
Rates have been moving the wrong way for borrowers. The average five-year fixed rate hit 6% on 5 October 2026, its highest in around three years, and the Bank of England is widely expected to raise the base rate from 3.75% at its 5 November meeting. If you lock in a rate and rates then fall before completion, many lenders will let you switch to the better deal — ask about that before you commit, because it makes locking in early a much lower-risk move. If rates rise instead, you will be glad you locked in.
7. The week your deal ends
Confirm in writing that the new deal starts the day the old one ends, with no SVR gap. Check your first new payment, your new monthly amount, and whether any overpayment allowance or offset features carried over. Then set your next reminder: six months before this new deal ends, the checklist starts again.
Not sure what you can afford if you also borrow more? Run the figures on our Affordability Calculator first — and remember this guide is general information, not regulated financial advice. A qualified mortgage adviser can tailor it to your situation.
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