The concept of a mortgage interest run on is crucial for homeowners in the UK, especially as they approach the end of their fixed-rate mortgage term.

A mortgage interest run on refers to the period when the mortgage lender continues to charge interest on the mortgage, but the homeowner has moved off their initial fixed-rate deal, often into a standard variable rate (SVR).

This process can lead to an increase in monthly payments, and it’s important for homeowners to understand its implications to avoid potential financial strain

By gaining a clear understanding of what a mortgage interest run on is and how it works, homeowners can better prepare for this transition and make informed decisions that suit their financial situation.

What is a mortgage interest run on?

A mortgage interest run on occurs when a fixed-rate mortgage deal ends, and the interest rate moves to a lender’s standard variable rate (SVR).

In the UK, when homeowners reach the end of a fixed-rate period, they might not realize the immediate effects of this transition.

The lender will often continue charging interest on the mortgage, but the rate will typically rise unless the borrower acts quickly to secure a new deal.

This shift can lead to higher monthly payments, which might come as a surprise to some homeowners if they haven’t planned ahead.

For many homeowners, understanding this shift is crucial to avoid payment shocks. During this period, interest is still charged, but the terms of the mortgage are no longer tied to the original fixed-rate deal.

This shift is common and can impact monthly payment amounts significantly.

A deeper understanding of this process is important because it ensures that homeowners are prepared for the change and can make necessary adjustments to their financial plans, including considering remortgaging or exploring other options.

Why does a mortgage interest run on happen?

A mortgage interest run on happens when the term of a fixed-rate mortgage deal expires, and the borrower hasn’t yet secured a new deal.

The fixed rate typically ends after a set period, and the mortgage moves onto the lender’s standard variable rate (SVR), which tends to be higher.

This change happens automatically, and the lender begins charging interest at the SVR, which can be significantly different from the previous fixed rate. The reasons behind this transition are largely due to the nature of fixed-rate mortgages in the UK.

Fixed-rate deals offer a period of certainty, but once that term ends, many homeowners may not have taken steps to either remortgage or switch to a more favorable deal. 

This lapse can lead to higher monthly payments, as the SVR is often much higher than the initial fixed rate.

This increase can make it difficult for some homeowners to adjust, especially if they haven’t anticipated the change.

When does a mortgage interest run to occur?

The mortgage interest run on typically happens once the fixed-rate period ends. For example, if a homeowner has a two-year fixed-rate mortgage, at the end of that term, the mortgage will usually revert to the SVR unless the homeowner has arranged a new deal.

This is why it is critical for homeowners to understand the timing of their mortgage agreements. If they haven’t arranged a new deal by the end of the fixed-rate term, they will automatically face the run-on period, which can increase their payments considerably.

Homeowners should always review their mortgage terms well before the end of the fixed period to prevent this kind of financial surprise.

The length of the fixed period can vary depending on the type of mortgage deal, but typically these periods range from two to five years

Understanding when the run-on will happen allows homeowners to plan their finances accordingly, so they aren’t caught off guard by increased payments.

Mortgage interest run on in 2025

The impact of a mortgage interest run on

The immediate impact of a mortgage interest run on is an increase in the homeowner’s monthly payments.

When the mortgage moves to the SVR, the interest rate usually rises, meaning the monthly payments will be higher.

For many, this can come as an unwelcome surprise, especially if they were expecting to continue paying the same rate.

This financial change can affect the household budget, leading to potential difficulties in meeting the new payment obligations.

In some cases, the impact can be more severe, particularly if the homeowner hasn’t planned for the increase in payments.

If the mortgage payments become unaffordable after the transition to the SVR, it could lead to arrears, which would further complicate the homeowner’s financial situation.

Therefore, understanding the potential impact of a mortgage interest run on is essential for anyone looking to avoid financial stress in the future.

How mortgage interest run on affects your payments

Once a mortgage moves to the standard variable rate, the interest charged on the outstanding balance usually increases.

This change leads to higher monthly payments, which can make a significant difference in household finances.

For example, if a homeowner had a fixed-rate mortgage with a 2% interest rate, they might find themselves moved to an SVR of 4%, leading to a noticeable increase in the amount they need to pay each month.

To illustrate this, consider a mortgage with a £200,000 balance and a 25-year term. At a 2% fixed-rate, the monthly payment might be around £848. 

If the mortgage moves to an SVR of 4%, the payment could rise to £1,060. This £212 difference can be a substantial increase for homeowners, particularly those on tight budgets.

Understanding this potential shift can help homeowners prepare by either negotiating a better deal or considering remortgaging options before the transition occurs.

What to do if you can’t afford your mortgage payments after the run on?

If homeowners find themselves unable to afford the higher payments after the mortgage interest run on, there are several steps they can take.

First, it is crucial to contact the lender as soon as possible. Many lenders are willing to work with homeowners to prevent arrears, especially if they act early.

Options might include extending the term of the mortgage to reduce monthly payments, or temporarily reducing payments while the homeowner arranges alternative financing.

Another option could be exploring government schemes or other financial support options that may be available for homeowners struggling with mortgage payments.

For example, mortgage payment holidays or additional financial advice services could provide a temporary solution while the homeowner looks for a long-term strategy.

How to avoid a mortgage interest run on: tips for homeowners

The best way to avoid the financial challenges posed by a mortgage interest run on is to plan ahead. Homeowners should begin reviewing their mortgage deals well before the end of the fixed-rate term.

There are several strategies they can use to avoid the higher payments associated with the run-on period, such as remortgaging to a new fixed-rate deal or negotiating with their current lender.

One important tip is to start shopping for a new mortgage deal several months before the fixed-rate period ends

By doing so, homeowners can secure a better deal, potentially locking in a fixed rate that prevents the increase in monthly payments that often occurs with the SVR. 

Alternatively, homeowners may also consider switching to another lender if they can find better terms.

Remortgaging to avoid the Standard Variable Rate (SVR)

One of the most effective ways to avoid the higher costs associated with a mortgage interest run on is to remortgage before the fixed-rate period ends. 

Remortgaging allows homeowners to secure a new mortgage deal with better terms, potentially locking in a new fixed rate and preventing the shift to a higher SVR. 

However, it’s important to consider the costs associated with remortgaging, such as fees and early repayment charges, which might impact the overall benefit.

Before remortgaging, homeowners should carefully assess their financial situation and compare different mortgage offers.

This process can help them find the best deal, whether they stay with their current lender or switch to a new one.

Remortgaging may not be the right option for everyone, but it can provide significant savings if managed correctly.

Exploring government schemes and support

For homeowners struggling to keep up with mortgage payments after the mortgage interest run on, various government schemes and financial support programs may be available.

The UK government offers several forms of assistance, including mortgage payment holidays, payment reductions, and support for those in arrears.

Homeowners who are at risk of falling behind on payments should explore these options and contact relevant agencies for advice and support.

Additionally, homeowners may want to consult with debt advice services such as Citizens Advice or other non-profit organizations that can help with budgeting and managing arrears.

These services provide practical advice on how to handle mortgage difficulties and can offer support in negotiating with lenders.

FAQ section

  • What happens if I don’t prepare for the mortgage interest run on?

If you don’t prepare for the run-on period, you may find your monthly payments increase significantly, potentially leading to difficulties in meeting your mortgage obligations.

  • Can I avoid the mortgage interest run on by switching mortgages early?

Yes, by remortgaging before the end of your fixed-rate period, you can lock in a new deal and avoid moving to the higher standard variable rate.

  • How long will the mortgage interest run to last?

The mortgage interest run on typically lasts until you secure a new mortgage deal, either through remortgaging or negotiating with your current lender.

  • What is the standard variable rate, and how does it affect my payments?

The standard variable rate (SVR) is the interest rate set by your lender after your fixed-rate term ends. It is often higher than the fixed rate and can cause an increase in monthly payments.

Mortgage interest run on for homeowners

In conclusion, the mortgage interest run on is an important aspect of homeownership that all UK homeowners should understand.

By preparing in advance, homeowners can avoid the financial pitfalls that may arise when their mortgage shifts from a fixed-rate deal to a standard variable rate.

Being proactive, whether by remortgaging, negotiating with lenders, or exploring government support, is essential to managing mortgage payments effectively.

Homeowners should also review their mortgage terms well before the end of their fixed-rate period to avoid unexpected financial strain. 

By planning ahead and seeking financial advice, homeowners can ensure that they are well-prepared for any changes to their mortgage payments, ensuring a smooth transition and preventing any unnecessary financial stress.

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