Around 600,000 UK households are currently paying their lender’s standard variable rate (SVR), which typically sits between 6.5% and 8.0%. That is significantly more than the best fixed-rate deals available right now, and it means those households are overpaying by thousands of pounds a year without realising it. I have been writing about the UK property market for long enough to notice a pattern: when rates shift, a lot of people simply stick with whatever their lender offers them at renewal, assuming it is the only option. It is not, and the gap between the default rate and a competitive fixed deal has rarely been wider.
The Bank of England Base Rate currently sits at 3.75%, having been cut from its post-2008 peak of 5.25% in a series of reductions that began in August 2024. That sounds like good news, but fixed mortgage rates do not move in lockstep with the Base Rate. They are priced off swap rates — the rate at which banks exchange floating payments for fixed ones — and those have been climbing again. Average two-year fixed rates now sit around 4.45%, which means the window for locking in a competitive deal may be narrower than many people assume. If you are coming to the end of a fixed term or thinking about buying, the decisions you make in the next few months could determine your housing costs for years. Here is what you actually need to know.
Before diving into the numbers, it helps to understand the broader picture of where prices are heading. I have looked at the UK’s fastest-growing property markets recently, and the regional variation is striking — what works in one part of the country may not apply elsewhere. That same logic applies to mortgages: the right fix for you depends on your loan-to-value ratio, your plans, and how long you intend to stay in the property. A smart leak detector like the X-Sense Wi-Fi Water Leak Detector can save you from a costly insurance claim, but the biggest financial protection you can put in place is the right mortgage rate.
How fixed mortgage rates actually work
The most important thing to understand is that your mortgage rate is not a single number set by the Bank of England. It is built from three components: a benchmark interest rate, the lender’s cost of funding, and a profit margin. For fixed-rate mortgages, the benchmark that matters most is the swap rate — the rate at which banks can exchange floating-rate payments for fixed-rate payments over a set period. When a lender offers you a five-year fixed mortgage, it typically hedges its risk by entering a five-year interest rate swap. The cost of that swap forms the floor of your fixed rate.
That is why fixed rates do not always fall when the Base Rate drops. Swap rates are driven by market expectations of where interest rates will be in the future, not where they are today. As of early 2026, two-year swap rates have been climbing again, which explains why average two-year fixed rates have edged up to around 4.45% despite the Base Rate being cut. If you are waiting for fixed rates to fall further before you act, you may be waiting for something that is not coming — at least not in the near term.
What I would do in this environment is focus on what I can control: my loan-to-value ratio. Your LTV is the single biggest factor determining your mortgage rate. The difference between 60% and 95% LTV can be over 1 percentage point. That might not sound like much, but on a £250,000 mortgage, it is roughly £2,500 a year in extra interest. If you have equity in your current home or can put down a larger deposit, that is the most effective way to lower your rate. For more on how property values shift over time, understanding resale market trends can help you decide how much to put down.
Why the Mortgage Charter matters for you right now
In March 2026, the Chancellor met with lenders representing 75% of the mortgage market to discuss the outlook for rates and what support is available to borrowers. Following that meeting, lenders representing approximately 90% of the market reaffirmed their commitment to the Mortgage Charter. The Charter is built around a simple principle: if you are worried about your mortgage, contact your lender as early as possible. Seeking support and engaging with your lender will not affect your credit score in any way, and earlier engagement means lenders can offer more support.
That is not just a nice sentiment — it has real teeth. Under the Charter, customers who are up to date with their payments can switch to a new mortgage deal at the end of their existing fixed rate without another affordability check. That applies to 97% of the mortgage market. You can also lock in a deal up to six months ahead, and you can request a better like-for-like deal with your lender right up until your new term starts, if one is available. Rates must be finalised two weeks before the new term starts.
Consider this scenario: you are on a two-year fixed rate that ends in four months. Your lender sends you a renewal letter offering their SVR at 7.2%. Under the Charter, you can contact them, lock in a new fixed deal up to six months early, and avoid the SVR entirely — all without a fresh affordability check. If you wait until the day your fixed term ends, you may end up on the SVR for a month or more while you sort out a new deal. That single month could cost you hundreds of pounds.
What I notice is that most people treat their mortgage renewal like a bill that just arrives — they accept whatever their lender offers because they assume switching is complicated or expensive. It is not. The Charter makes it straightforward, and the savings are substantial. If you are renting out a property rather than living in it, note that the Charter does not apply to buy-to-let mortgages, so the rules are different. For owner-occupiers, though, this is one of the most underused protections in the mortgage market. A property lawyer can help you review the terms of any new deal before you sign, especially if you are unsure about early repayment charges or tie-ins.
Where people go wrong with fixed-rate mortgages
The mistakes I see most often are not about picking the wrong product — they are about timing, assumptions, and failing to use the protections already in place. Here are the most common ones, backed by what the data actually shows.
Waiting for rates to drop further before locking in
Current two-year fixed rates around 3.50–3.60% may be close to the floor for this cycle. Swap rates have been climbing, and lenders are adjusting pricing accordingly. If you wait for the Base Rate to fall further before fixing, you may find that fixed rates have already risen because swap rates moved first. The Base Rate and fixed rates are not the same thing, and treating them as interchangeable is an expensive misunderstanding. If you can lock in a competitive rate now, you remove the risk of rates rising while you wait.
Accepting the lender’s renewal offer without shopping around
Around 600,000 UK households are estimated to be paying their lender’s SVR of 6.5–8.0%, significantly above the best deals available. That is not because those households cannot get a better rate — it is because they did not switch. Under the Mortgage Charter, you can switch to a new deal with your existing lender without a fresh affordability check, as long as you are up to date with payments and not borrowing more. You can also shop around with other lenders, though that may require a new affordability assessment. The point is: the default offer is almost never the best offer.
Ignoring the loan-to-value impact
Your LTV ratio is the single biggest factor determining your rate. If you have owned your home for a few years and house prices have risen, your LTV may have improved significantly without you realising it. A homeowner who bought at 90% LTV five years ago may now be at 70% LTV or lower, which qualifies them for much better rates. Check your current LTV before you shop for a mortgage — it could save you more than a percentage point. For context on how vacancy and demand affect property values in different areas, understanding vacancy rates can help you gauge whether your local market supports your equity assumptions.
Not using the six-month early locking window
Under the Charter, you can lock in a deal up to six months before your current fixed term ends. That gives you a guaranteed rate while you continue to shop for something better. If rates fall during those six months, you can request a better like-for-like deal from your lender right up until two weeks before the new term starts. If rates rise, you are protected by the rate you already locked in. It is a no-lose position, yet most borrowers do not use it. Set a calendar reminder six months before your fixed term ends and contact your lender immediately.
→ Scroll right to see all columns
| Rate type | Typical rate (early 2026) | Key driver |
|---|---|---|
| Two-year fixed | ~4.45% | Swap rates + lender margin |
| Five-year fixed | ~4.10–4.30% | Swap rates + lender margin |
| Tracker (Base Rate +) | Base Rate + 0.5–1.5% | Bank of England Base Rate |
| Standard variable rate | 6.5–8.0% | Lender’s default rate |
What I would do if I were in your position: check your current LTV, set a reminder six months before your fixed term ends, and contact your lender to lock in a rate as early as possible. Do not wait for the renewal letter. The data is clear that the people who act early get better deals than those who wait.
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How to choose and secure the right fixed-rate mortgage
This section walks through the practical steps you can take right now, whether you are buying your first home, remortgaging, or coming to the end of a fixed term. Each step is grounded in what the data and the Mortgage Charter actually allow.
Check your loan-to-value ratio first
Your LTV is the single biggest factor determining your rate. To calculate it, divide your mortgage balance by your property’s current value and multiply by 100. If you bought at 90% LTV three years ago and prices in your area have risen 10%, you may now be at roughly 80% LTV — which qualifies you for a significantly better rate. The difference between 60% and 95% LTV can be over 1 percentage point. On a £250,000 mortgage, that is roughly £2,500 a year. Before you look at any deals, know your LTV. If you are unsure about your property’s current value, a real estate lawyer can help you review recent local sale prices and any legal factors that might affect valuation.
Lock in a rate up to six months early
Under the Mortgage Charter, you can secure a new fixed rate up to six months before your current deal ends. Contact your lender, tell them when your current fixed term ends, and ask what rates they can offer. You do not need a new affordability check if you are up to date with payments and not borrowing more. Once you lock in a rate, you can continue to shop for a better deal from the same lender right up until two weeks before the new term starts. If rates rise in the meantime, you are protected. If they fall, you can switch to the lower rate. This is the single most effective protection available, and it costs nothing to use.
Compare fixed-term lengths based on your plans
Two-year fixes typically offer lower rates than five-year fixes, but they come with the risk that rates may be higher when you remortgage. Five-year fixes offer stability but lock you in for longer, and early repayment charges can be steep if you need to move before the term ends. If you plan to stay in the property for at least five years, a five-year fix may be the better choice. If you expect to move or sell sooner, a two-year fix gives you more flexibility. Current two-year fixed rates around 3.50–3.60% may be close to the floor for this cycle, so locking in now could be a sensible move regardless of which term you choose. For more on how location affects your decision, green spaces to consider when buying can help you evaluate whether a neighbourhood is likely to hold its value over a five-year period.
What to do if you are already on the SVR
If you are one of the estimated 600,000 households paying your lender’s SVR, act now. Contact your lender and ask to switch to a fixed-rate deal. Under the Charter, you can do this without a new affordability check as long as you are up to date with payments. If your lender offers a rate that is still higher than what other lenders are advertising, you can shop around — but that may require a full affordability assessment. Start with your current lender, because it is the fastest route off the SVR. If you are struggling with payments, contact your lender immediately. The Charter guarantees that you will not be forced to leave your home without your consent unless in exceptional circumstances, and not for at least a year from your first missed payment. Lenders can offer options like extending your term, switching to interest-only payments for six months, or a temporary payment deferral.
- 1Check your current LTVDivide your mortgage balance by your property’s current value. If your LTV has improved, you qualify for better rates.
- 2Set a reminder six months before your fixed term endsContact your lender to lock in a new rate. You can do this without a fresh affordability check under the Mortgage Charter.
- 3Compare fixed-term lengthsTwo-year fixes offer lower rates but less stability. Five-year fixes cost more upfront but protect you from future rate rises.
- 4If on SVR, switch immediatelyContact your lender and ask to move to a fixed deal. You can do this without a new affordability check if you are up to date with payments.
Frequently asked questions about fixed-rate mortgages
Can I switch to a fixed rate if I am already on my lender’s SVR? ▾
What happens if I lock in a rate and rates fall before my new term starts? ▾
Does the Mortgage Charter apply to buy-to-let mortgages? ▾
How much can I save by switching from SVR to a fixed rate? ▾
Will contacting my lender about mortgage support affect my credit score? ▾
If you are worried about security while you sort out your mortgage, a home security starter kit can give you peace of mind — but the most important protection is financial. Get your mortgage sorted first.
The key takeaway is simple: fixed mortgage rates are not tied to the Base Rate, your LTV is the biggest factor in your rate, and the Mortgage Charter gives you tools you may not be using. Check your LTV today, set a reminder six months before your fixed term ends, and contact your lender to lock in a rate early. If you are already on the SVR, switch now. If this was useful, you might also want to read renting vs buying: when homeownership actually pays off.
Sources and Further Reading
Tips for buying a home near schools — If location is a factor in your mortgage decision, this guide covers how school catchment areas affect property values and resale potential.
Downsizing property options in later life — For older homeowners considering a move, this article explains how downsizing affects mortgage options and equity release.
Mortgage Charter 2026. UK Government, 2026.
UK mortgage rates explained: fixed vs variable. Gilt-Edge, 2026.
