The Interest Rate Tide Is Turning: What Could It Mean for Your Mortgage?

For the last couple of years, much of the conversation around UK interest rates has focused on one question: when will rates come down?

That conversation may now be changing.

Inflation has proved more persistent than many expected, and the economic outlook has shifted. Rather than assuming that borrowing costs will continue to fall, financial markets are now having to consider the possibility that interest rates could move up again during 2027.

That doesn’t mean rate rises are guaranteed. Far from it.

But for mortgage borrowers, it does mean that waiting for a significantly better deal to appear may no longer be the risk-free strategy it once seemed.

Why could interest rates rise again?

The Bank of England uses interest rates as one of its main tools for controlling inflation.

When inflation is running above its 2% target, reducing interest rates can risk adding further pressure to prices. If inflation remains stubbornly high — or starts rising again — the Bank may need to keep rates higher for longer or, potentially, increase them.

Several factors are contributing to that uncertainty, including inflationary pressures, wage growth, energy costs and the wider economic environment.

The important point for mortgage borrowers isn't trying to predict exactly what the Bank of England will do next.

It's recognising that the direction of travel is no longer as clear as it once appeared.

What could that mean for your mortgage?

A change of 0.25% might not sound particularly significant.

But mortgage rates are applied to potentially hundreds of thousands of pounds of borrowing, so relatively small movements can make a noticeable difference to monthly repayments.

For example, consider a £250,000 repayment mortgage over 25 years.

At an illustrative mortgage rate of 4.50%, the monthly repayment would be around £1,390.

If mortgage rates increased:

• One 0.25% increase to 4.75% could take the payment to around £1,425 per month — approximately £35 more each month.

• Two increases to 5.00% could mean around £1,461 per month — approximately £71 more each month.

• Three increases to 5.25% could mean around £1,498 per month — approximately £108 more each month.

• Four increases to 5.50% could mean around £1,535 per month — approximately £145 more each month.

That final example is around £1,740 a year more in mortgage payments compared with the starting point.

These figures are illustrative rather than a prediction of where mortgage rates will go. Actual mortgage rates will depend on factors including the lender, loan-to-value, mortgage term, product and individual circumstances.

The danger of waiting for the “perfect” rate

It is completely understandable to look at mortgage rates and think:

“I'll wait. Rates might come down.”

And they might.

But waiting is still a decision — and it carries its own risk.

If inflation remains higher than expected and expectations for Bank Rate change, mortgage pricing can move quickly. Fixed mortgage rates are influenced not simply by today's Bank of England Base Rate, but also by financial markets' expectations of where rates are heading in the future.

That means mortgage rates can move before the Bank of England actually changes Base Rate.

Trying to pick the absolute bottom of the market is therefore extremely difficult.

At Home Lab Mortgages, we'd rather help clients plan than predict.

You may be able to act earlier than you think

One common misconception is that you need to wait until your existing mortgage deal is almost finished before looking at your options.

In reality, most lenders will entertain a change within six months of the end of an existing mortgage deal, although exact timescales, terms and lending criteria vary between lenders.

Starting the process earlier can give you time to understand what is available, consider your options and avoid having to make a rushed decision as your existing deal approaches its end.

Depending on the lender and product selected, there may also be opportunities to review the position again before completion if the market changes.

The important thing is simply not to leave everything until the last minute.

Don't try to predict the market. Understand your options.

Nobody can say with certainty what interest rates will be in six or twelve months' time.

Rates could rise. They could fall. They could remain broadly where they are.

But the outlook has changed enough that borrowers should perhaps think twice before assuming that waiting will automatically result in a cheaper mortgage.

A mortgage is likely to be one of your largest monthly financial commitments. Understanding your options early gives you more time to make a considered decision rather than being forced into one by a deadline.

The interest rate tide may be turning.

Chris Mills

Partner

Home Lab Mortgages
Making mortgages make sense.

Important information: This article is for general information only and does not constitute mortgage or financial advice. The right mortgage will depend on your individual circumstances, and interest rates and mortgage products can change. You should seek personalised advice before making any decision regarding your mortgage.

Your home may be repossessed if you do not keep up repayments on your mortgage.