The reality of rising mortgage costs in the UK in 2026 is hitting a specific group of homeowners particularly hard: the estimated 1.8 million people whose fixed-rate deals are due to expire this year — many of which were locked in during 2021 or 2022, when rates were at historic lows. For these households, the change isn’t gradual. Going from a deal at 1.5% or 1.8% to a new fixed rate at 5-6% — or worse, drifting onto a lender’s standard variable rate — can add hundreds of pounds to a monthly mortgage payment almost overnight. At the same time, the broader cost of living remains elevated, and the safety net of emergency savings has been eroded for many households after several years of financial pressure. This article looks honestly at what’s happening, who is most affected, and — more usefully — the specific, practical steps that can actually help.
Whether your deal is ending soon, has already ended, or you’re trying to understand how the current market affects decisions you haven’t made yet, this guide gives you a clear-eyed view of your options.
Quick Answer: How to Cope With Rising Mortgage Costs
The most important step for any homeowner facing higher mortgage costs is not to drift onto the standard variable rate (SVR) — currently running at 7.5-8.5% — when a fixed deal ends, since this is almost always the most expensive option. Start reviewing your options at least four to six months before your deal expires. If your deal has already ended, act now rather than waiting for rates to fall. A whole-of-market mortgage broker can access deals not available directly and help identify whether a product transfer (staying with the same lender) or a full remortgage (switching lender) is cheaper for your specific loan size, LTV, and circumstances. If affordability is genuinely stretched, contact your lender proactively — most have hardship provisions including payment holidays and term extensions — and seek free debt advice from StepChange or Citizens Advice before arrears build up.
Why Mortgage Costs Have Risen So Sharply — and Why 2026 Is a Pressure Point
To understand the current situation, it helps to see where things have come from. Through 2020 and 2021, the Bank of England base rate sat at a historic low of just 0.1%, and millions of homeowners locked in two and five-year fixed deals at rates below 2% — sometimes well below. From December 2021, the Bank began a series of rapid rises to combat inflation, reaching a peak of 5.25% in August 2023. Fixed mortgage rates shot up with it, regularly reaching average two-year rates above 6%.
The base rate then came down through 2025, reaching 3.75% by December 2025 — but fixed mortgage rates didn’t fall nearly as far or as fast. Why? Because fixed rates are driven primarily by swap rates — wholesale financial instruments based on market expectations of where rates will be in the future — rather than the current base rate directly. When conflict in the Middle East pushed up energy prices and inflation expectations in early 2026, swap rates spiked sharply, and lenders repriced their products rapidly upward. By early April, the average two-year fixed rate had climbed back to 5.73% (from 4.83% at the start of March), and the five-year fix to 5.66%.
Since then, lenders including NatWest, Barclays, TSB, and Santander have resumed cutting, and the trajectory in June 2026 is cautiously downward again — but experts warn it may slow or reverse, and the key point for homeowners is that sub-4% deals which briefly appeared in February 2026 are gone for now. The people most exposed are those whose cheap deals are expiring into this environment for the first time.
Who Is Most Affected — and by How Much?
The homeowners feeling this most acutely are those who fixed at the ultra-low rates of 2021-22 for a two or five-year term. Consider a homeowner with a £250,000 mortgage who fixed in 2021 at 1.8%. Their monthly repayment at the time would have been around £1,035 a month. Here’s what happens depending on what they do now:
| Scenario | Approximate Rate | Monthly Payment |
| Original deal (2021) | 1.8% | ~£1,035 |
| Drift onto SVR (do nothing) | ~7.5-8.5% | ~£1,850 (+£815/month) |
| Product transfer (same lender) | ~5.5-6.2% | ~£1,420 (+£385/month) |
| Competitive remortgage (new lender) | ~4.9-5.5% | ~£1,310 (+£275/month) |
The difference between doing nothing (drifting onto the SVR) and actively securing the best available rate is over £540 a month on this example alone — more than £6,500 a year. Even the difference between accepting a product transfer and shopping the open market for a full remortgage is roughly £110 a month. The cost of inaction is genuinely large and entirely preventable.
The Standard Variable Rate Trap — and How People Fall Into It
This is worth its own section because the SVR is the single most expensive outcome for most homeowners, yet thousands of people end up on it every year — not through choice, but through a combination of procrastination, uncertainty about what to do next, and the assumption that “something will sort itself out.”
When a fixed-rate deal expires, your mortgage doesn’t pause or stop. It automatically converts to your lender’s standard variable rate on the day the deal ends. This rate is set entirely at the lender’s discretion, changes without notice, and — as the table above illustrates — is typically far higher than any new deal available. At current SVRs of 7.5-8.5%, you are paying the most expensive rate in the market, for the exact same loan, with no corresponding benefit. It is, as one mortgage expert put it, paying more for exactly the same thing.
The reason people end up there is usually timing: life got busy, the paperwork felt overwhelming, the deal expired, and suddenly the higher payment has been running for three months while remortgaging kept getting pushed back. The fix is simple in principle: start the process at least four to six months before your deal ends, because most lenders will let you lock in a new rate up to six months in advance, meaning you’re protected if rates rise in the interim and can often switch to a cheaper deal if they fall before completion. Missing that window doesn’t make the situation unrecoverable — but it does mean paying SVR rates while you get organised, which adds up quickly.
Product Transfer vs Full Remortgage: Which Is Right for You?
When your current deal ends, you have two main options for securing a new one: a product transfer (staying with your existing lender on a new deal) or a full remortgage (switching to a different lender entirely)
Product Transfer — Faster, Simpler, Not Always Cheapest
A product transfer avoids the full underwriting process — no new affordability assessment, no solicitors, no valuation fees. Your lender offers you a new deal, you pick one, and it starts when your current deal ends. This makes it considerably faster and simpler, and is particularly useful if your circumstances have changed since your original mortgage (reduced income, for example, or a changed employment status) in a way that might make a full remortgage application more difficult.
The risk: your existing lender is only showing you their own products. They may not be offering the most competitive rate in the wider market. UK Finance data shows that most refinancing in 2025 was internal product transfers rather than full switches — suggesting many homeowners are staying put without checking whether they could do better elsewhere. Product transfers have their place, but they should be a deliberate choice, not a default.
Full Remortgage — More Work, Often More Savings
Switching to a new lender involves a fresh affordability assessment, a new application, valuation fees (sometimes waived as part of a competitive deal), and a solicitor — though many remortgage deals now include a free legal service as part of the package. The extra effort is typically worthwhile when the rate difference justifies it, which on a large mortgage over two or five years often translates into thousands of pounds of difference in total interest paid.
One specific situation where a full remortgage is particularly worth considering: if your LTV (loan-to-value) has improved since you took out your original mortgage — either through repayments reducing the balance, property value increasing, or both — you may now qualify for a lower LTV bracket, which unlocks meaningfully better rates. Moving from an 85% LTV to a 75% LTV tier, for example, can make a considerable difference to the rates on offer.
Also Read: What Is a Fixed-Rate Mortgage and Should You Get One?
For a detailed, regularly updated view of the best available remortgage rates across the market, MoneyfactsCompare’s remortgage comparison table is updated throughout the day and shows best buys by term and LTV band — a useful starting point before speaking to a broker.
The Case for Overpaying — Even Modestly
For homeowners managing higher payments but with a little flexibility, overpaying a mortgage — even by a modest amount each month — can have a disproportionate impact on the total cost and the time to pay off
the loan. Because mortgage interest is calculated on the outstanding balance, every pound of overpayment reduces the principal that future interest is charged against, compounding the saving over the remaining term.
On a typical 25-year mortgage, overpaying by £100 a month from the start of a deal can knock two to four years off the term and save a meaningful amount in total interest — the precise numbers depend on the rate and balance, but the principle is consistent. Most standard fixed-rate mortgages allow overpayments of up to 10% of the outstanding balance per year without an early repayment charge. If you can afford to overpay even a small amount consistently, it’s one of the most efficient uses of spare monthly budget when rates are elevated.
If Affordability Is Genuinely Stretched: What Are Your Options?
Not everyone reading this is in a position to simply remortgage their way out of the problem. For some households — particularly those who were already stretched before rates rose, or who’ve faced income shocks in the same period — the increase in mortgage costs is a genuine affordability crisis rather than a planning exercise. If that’s your situation, here’s what’s actually available.
Talk to your lender before missing a payment. Most lenders have formal hardship provisions that aren’t widely advertised but are very much available: payment holidays, temporary switches to interest-only, or term extensions that lower the monthly payment (at the cost of paying more interest overall). None of these are ideal long-term solutions, but all of them are considerably better than letting arrears build. Lenders are required by FCA rules to treat customers in financial difficulty fairly, and reaching out proactively almost always produces a better outcome than waiting for the situation to escalate.
Extending the mortgage term. Moving from a 20-year remaining term to 25 years, for example, reduces the monthly payment — sometimes by a meaningful amount. This isn’t cost-free (you pay more total interest over the life of the loan), but as a short-term coping mechanism while your financial situation stabilises, it can provide real breathing room. Most lenders will allow this as part of a payment hardship discussion.
Switching temporarily to interest-only. Some lenders will allow a temporary switch to an interest-only basis for a set period — typically six to twelve months — after which the mortgage reverts to capital and interest repayment. This gives the lowest possible monthly payment in the short term, though it means your loan balance doesn’t reduce during that period. Again, this is a coping tool, not a long-term strategy, but it’s one that genuinely exists and is worth asking about.
For households where the combination of mortgage costs and other debts is causing genuine hardship, StepChange’s free debt advice service can help you understand your full picture and what options exist — including mortgage-specific solutions alongside any other debt. The MoneyHelper mortgage arrears guidance is also a useful, impartial resource that sets out the steps to take and the rights you have if mortgage payments become unmanageable.
A Practical Checklist: What to Do Right Now
Find out exactly when your current deal ends. Check your mortgage paperwork, log into your lender’s online account, or call them. You need the exact expiry date and whether any early repayment charge applies for leaving before it.
Check your current LTV. A combination of repayments and any increase in your property’s value may have pushed you into a lower LTV band since your original deal. This can unlock materially better rates — it’s worth knowing before you start comparing deals.
Start comparing deals four to six months before your expiry date. Most lenders allow you to lock in a rate this far ahead. Locking now gives you protection if rates rise before your deal expires, while most brokers offer a rate-monitoring service that can flag if something cheaper appears.
Use a whole-of-market broker, not just your current lender. Your current lender only shows you their own products. A whole-of-market broker accesses hundreds of deals and — crucially — knows which lenders’ affordability criteria best fit your specific circumstances. Fee-free options exist.
Factor in fees, not just the headline rate. A lower rate with a £1,099 arrangement fee may or may not be cheaper than a slightly higher rate with no fee, depending on your loan size and term. Calculate the total cost over the fixed period, not just the monthly payment.
If your deal has already expired and you’re on the SVR — act now. Every month on the SVR at 7.5-8.5% is money you’re paying above what you’d pay on a competitive fixed deal. There’s no advantage in waiting for rates to fall further — the cost of being on the SVR while you wait almost always exceeds any saving from a marginally better future rate.
Frequently Asked Questions
What happens if I do nothing when my fixed-rate deal ends?
Your mortgage automatically converts to your lender’s standard variable rate (SVR), currently running at around 7.5-8.5% for most major lenders. This is almost always higher than any new fixed deal available, and the SVR can change at your lender’s discretion with no notice. On a £250,000 mortgage, this could increase your monthly payment by over £800 compared with a competitive new deal.
When should I start looking at remortgage options?
Most advisers recommend starting four to six months before your current deal expires. This gives you time to compare options properly, and most lenders allow you to lock in a rate this far ahead. Locking early protects you if rates rise between now and your completion date, and you can often switch to a cheaper deal if rates fall before you need to complete.
Should I fix for two or five years in 2026?
Both have merit in the current environment. The gap between average two-year and five-year rates is narrow (both around 5.6-5.7% at average, and closer at best-buy level). A five-year fix offers certainty and protection against further rate rises — which some forecasters consider a real possibility if energy prices keep inflation elevated. A two-year fix gives you the chance to remortgage sooner if rates do fall, but at the risk of doing so in a market that’s higher rather than lower. The right answer depends on your own risk tolerance and financial stability.
Can I remortgage if I have less equity than when I bought?
Potentially, but your options narrow as LTV increases. Most lenders price their best rates at 75% LTV or below. If your LTV is above 85-90%, product transfers with your existing lender may be the most accessible route, as they typically don’t require a new valuation. If your property has fallen in value or you’ve made minimal repayments, it’s worth checking exactly where you stand before applying anywhere.
What support is available if I can’t afford my mortgage payments?
Contact your lender immediately — before missing a payment if possible. Options include temporary payment holidays, switching to interest-only, extending the mortgage term, or a formal mortgage forbearance arrangement. For broader financial difficulties, free, confidential advice is available from StepChange and Citizens Advice, both of which have mortgage-specific guidance.
Conclusion
The rising mortgage costs hitting UK homeowners in 2026 are not a temporary blip that will quietly fix itself — they’re the structural consequence of millions of very cheap deals expiring into a market where rates, while lower than the 2023 peak, remain considerably above what those homeowners had been paying. The gap between doing nothing and taking action is measured in hundreds of pounds a month for many households.
Also Read: UK Mortgage Rates in 2026: What’s Happening and Should You Fix Now?
The good news, if there is one, is that the action required isn’t complicated — it’s mostly about timing and effort. Starting the remortgage review early enough, comparing the open market rather than just accepting your lender’s offer, and understanding whether your LTV has improved are the moves that genuinely make the difference. And for households where the numbers genuinely don’t add up however they’re arranged, the support available — from lenders’ hardship provisions to free debt advice services — is more accessible and more useful than most people realise before they need it. The worst outcome, by a considerable margin, is drifting silently onto the SVR and doing nothing about it for months.
Disclaimer: This article is for informational purposes only and does not constitute mortgage or financial advice. Your home may be repossessed if you do not keep up repayments on your mortgage. Mortgage rates, SVR levels, and lender policies change frequently — always check current terms directly and seek independent mortgage advice from a regulated adviser before making decisions.
