The Real Cost of Sticking with Your Mortgage Lender at Renewal

Lender at Renewal

Here is something most homeowners do not think about until it is too late. When a fixed rate deal ends, the path of least resistance is almost always to stay with the same lender. It feels familiar. It feels quicker. And in the moment, it feels safe.

But new research published alongside a major product launch from Barclays has put concrete numbers to a question the mortgage industry has been sitting with for years: is staying with your lender costing you more than you realise?

For most homeowners, the answer is yes. Not always dramatically. But enough to be worth knowing about before you sign your next renewal.

Key Takeaways

Why Do Many Homeowners Stay with Their Lender at Renewal?

Well, because it is easy.

When your fixed rate is coming to an end, your existing lender does not wait around. They write to you. They call you. They make it simple. Here is your new rate, here is your updated monthly payment, sign here. No forms to fill in from scratch. No proof of income to dig out. No uncertainty about whether you will be approved.

Compared to the idea of starting fresh with a new lender, a product transfer feels effortless. And that ease is not imaginary. Your existing lender holds your financial history. They know your payment record. Offering you a new deal is, for them, an administrative task rather than a full underwriting exercise.

But here is the part that often gets missed. The ease of a product transfer is designed to benefit the lender as much as the borrower. Keeping you on their books, even at a slightly lower rate than their most competitive deals elsewhere, costs them far less than losing you to a competitor.

The research tells us that 31% of homeowners stay with their lender because of customer service, and 29% stay simply out of familiarity. Neither of those is a reason to accept a rate that is not the most competitive available to you.

The question worth asking at every renewal is not “should I bother switching?” It is “what would I be getting if I did?”

The Numbers Behind the Inertia

The data is illuminating. 20% of homeowners who switched mortgage lender at renewal described the process as difficult. For those who stayed with their existing lender, that figure was 10%. On the surface, this looks like a straightforward case for staying put. Dig a little deeper and the picture changes.

The difficulty that switchers report is not about the mortgage itself. It is about the process. The paperwork, the timelines, the unfamiliarity of dealing with a new lender from scratch. Those are real friction points, but they are not fixed. They reduce dramatically when someone who knows the process is managing it on your behalf.

The speed data is equally telling. Only 10% of homeowners who switched lender received a 24-hour mortgage offer. Among those who stayed with their current lender, that figure was 33%. Your existing lender can move quickly because they already have your data. A new lender needs to gather it first.

This speed gap has been one of the most powerful, and least visible, forces keeping homeowners in place at renewal. When the end of your fixed term is approaching and the clock is ticking, a fast product transfer feels like the safer bet. The risk of missing your deadline and slipping onto a standard variable rate feels very real.

And that risk is genuine. Standard variable rates are typically the most expensive rates a lender offers. They sit well above fixed rate products and can move up or down at the lender’s discretion. For a homeowner on a standard variable rate, even a short period on that rate can add hundreds of pounds to the total cost of the mortgage.

But that logic only holds if the market has not moved since you last fixed. And the market is always moving. With the Bank of England’s recent interest rate decisions continuing to shape mortgage pricing, checking what is available has never mattered more.

What It Would Take to Make People Switch

The research does not just tell us why people stay. It tells us what would move them.

Three things come up consistently:

• 49% said a better rate. That is almost half the market, waiting for a reason to act. A rate difference of even 0.25% on a £250,000 mortgage can translate to over £600 a year. Over a five-year term, that is more than £3,000. Lenders compete hard for remortgage business. Your existing lender knows you are already there, and prices accordingly.
• 23% said a faster process. That gap is narrowing fast. Where one major lender leads on speed, others follow. A broker who manages the process from start to finish removes most of that friction before you even feel it.
• 18% said less paperwork. This concern is almost always worse in anticipation than in practice. When you remortgage through a broker, you provide your documents once. The broker handles everything from there.

Three objections. Three solutions that already exist. The barrier to switching is not as solid as it looks.

Barclays Fast-Track Remortgage: A Sign of Where the Market Is Heading

When Barclays launched its Fast-Track Remortgage on 7 September 2026, offering eligible customers a mortgage decision within 24 hours and completion in as little as five days, it sent a clear signal to the rest of the market.

Speed is no longer a product transfer exclusive.

For years, the ability to move quickly has been one of the strongest arguments for staying with an existing lender. That argument is becoming harder to make. Where one major lender leads, others tend to follow. The direction of travel is towards faster, simpler remortgage processes across the board.

When speed is no longer the differentiator, the conversation becomes entirely about rate, service, and the quality of advice you receive.

That is a conversation that whole-of-market brokers are well placed to have. When the process is fast and the market is open, the advantage shifts firmly towards the borrower who is prepared to compare properly rather than accept the first offer on the table.

It is worth noting that fast-track eligibility criteria vary, and the five-day headline timeline applies to straightforward cases. A broker can assess quickly whether you are likely to meet the criteria, and what your realistic timeline looks like, so you can compare that against a product transfer on equal terms.

Is Staying with Your Lender Costing You More Than You Think?

For majority of homeowners, yes.

It is a question worth sitting with before renewal day arrives rather than after. The cost of staying is not always visible in your monthly payment. Sometimes it shows up in what you could have paid across the full term of the deal, and what you paid instead.

The structure of the mortgage market is not designed to reward loyalty. It is designed to win new customers and retain existing ones at the lowest cost possible. Those are not the same thing, and the rates on offer often reflect that difference.

Your lender’s renewal rate is set with one eye on what it costs them to keep you. A competitor’s remortgage rate is set with one eye on what it takes to win you away. Competition, when you engage with it, works in your favour.

The remortgage savings calculator on the WIS Mortgages website can give you a quick, real sense of what the difference might look like in monthly and total terms. It is worth running the numbers before assuming your current lender is already giving you their best.

For homeowners who fixed two or five years ago, the rate environment has shifted considerably. What your renewal looks like today versus what is available in the wider market could be a meaningful difference over the life of your next deal.

How a Mortgage Broker Removes the Friction

This is where most of the hesitation fades away.

The remortgage process, when handled well, is not the complex undertaking it is often assumed to be. Working with a whole-of-market broker means you are not navigating it alone, and you are not limited to what one lender decides to offer you on renewal day. Here is what it looks like in practice:

• Market comparison: your broker searches every lender’s remortgage products, not just the familiar names, and matches your circumstances to the most competitive deal available.
• Paperwork: you provide your documents once. Your broker handles the application, the correspondence with the lender, and keeps the process moving.
• Timeline: starting three to six months before your deal ends gives you enough time to secure a rate without rushing. Many lenders hold offers for up to six months, meaning you can lock in early and complete closer to your end date.
• Rate security: locking in a rate early removes the risk of slipping onto your lender’s standard variable rate, which is almost always the most expensive rate they offer.

The WIS Mortgages team is whole-of-market and FCA authorised. If you want to know what the market looks like for your specific circumstances before your renewal date arrives, get in touch and we will take it from there.

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Frequently Asked Questions

Is it worth switching mortgage lenders when my fixed rate ends?

Your existing lender has no obligation to offer you their most competitive rate at renewal. So, in most cases, yes. They offer what it costs to retain you. A whole-of-market broker compares every available deal and gives you a clear answer on whether switching makes financial sense for your specific circumstances.

What is the difference between a remortgage and a product transfer?

A product transfer moves you to a new deal with your existing lender. It is faster and involves less paperwork but limits you to that one lender’s range. A remortgage means switching to a new lender entirely, which opens up the full market. Product transfers can be the right choice, but they should always be compared against what the wider market is offering before you commit.

How long does a remortgage take to complete?

The process typically takes four to eight weeks from application to completion, though this varies depending on the lender, the complexity of the case, and how quickly documents are provided. Starting three to six months before your fixed rate ends gives you enough time to compare, apply, and complete without the risk of moving onto a standard variable rate.

When should I start looking at remortgage options?

Three to six months before your current deal ends is the right window. Many lenders hold mortgage offers for up to six months, which means you can lock in a rate early without committing to complete immediately. The remortgage savings calculator on the WIS Mortgages website is a good starting point for understanding what the numbers might look like.

Will remortgaging affect my credit score?

When you apply for a remortgage, a lender will carry out a hard credit search, which leaves a temporary mark on your credit file. The impact is usually minimal and short-lived. Brokers typically run soft searches when comparing the market on your behalf, which do not affect your credit score. If you have concerns about your credit profile ahead of a remortgage, speaking to a broker early gives you time to understand your options before any formal applications are made.

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Your home may be repossessed if you do not keep up repayments on your mortgage. WIS Mortgages is a trading name of WIS Financial Ltd, which is authorised and regulated by the Financial Conduct Authority.