What Does It Mean for Mortgage Borrowers?

The Bank of England has announced an increase in the Bank Rate from 3.75% to 4%, following its latest Monetary Policy Committee (MPC) meeting.

The decision, announced at 12 noon today (Thursday 5 November), sees interest rates rise by 0.25 percentage points, marking the first increase since August 2023.

The MPC voted by a majority of 8–1 in favour of increasing the rate to 4%. One member voted for a larger increase to 4.25%.

For homeowners, prospective buyers and people approaching the end of their current mortgage deal, today's announcement is an important development. While a change to the Bank of England Base Rate does not automatically mean every mortgage will become more expensive, it can have an impact on borrowing costs and the mortgage market.

At Thomas Oliver, we understand that interest rate announcements can raise questions, particularly if you are planning to buy a property, remortgage or review your existing mortgage.

So, what has prompted today's increase, and what could it mean for UK mortgage borrowers?

Why has the Bank of England increased interest rates to 4%?

The Bank of England's main monetary policy objective is to keep inflation under control and return it sustainably to its 2% target.

However, inflationary pressures have increased in recent months, with the Consumer Prices Index (CPI) reaching 3.5% in September 2026.

One of the main factors behind this increase has been rising global energy prices, linked to the ongoing conflict in the Middle East. Higher oil and gas prices are increasing costs for households and businesses, with the potential for these additional costs to feed through into the wider economy.

The Bank of England now expects inflation to reach around 5% by the middle of 2027 before gradually falling back.

Although there is currently limited evidence that higher energy costs have resulted in significant increases in other prices and wages, the MPC is concerned about the risk that these pressures could become more widespread and persistent.

The Committee therefore decided that a modest increase in interest rates was appropriate to help bring inflation back towards its 2% target.

How did the MPC vote?

The Monetary Policy Committee voted 8–1 in favour of increasing Bank Rate from 3.75% to 4%.

Eight members supported the 0.25 percentage-point increase, while one member voted for a larger increase of 0.5 percentage points, which would have taken the rate to 4.25%.

The decision reflects the Committee's concerns about continuing inflationary pressures, particularly those associated with rising energy costs and the possibility of these feeding through into other areas of the economy.

The Bank has also made clear that future decisions will depend on how the economic situation develops, including inflation, energy prices, wages and economic activity.

What does the increase mean for UK mortgage rates?

It is important to remember that the Bank of England Base Rate and mortgage interest rates are not the same thing.

Although Bank Rate influences the cost of borrowing, mortgage rates are also affected by other factors, including lenders' funding costs, swap rates and financial market expectations.

Consequently, mortgage rates do not always move in line with the Bank of England's announcements.

Here is how today's increase could affect different types of mortgages:

Tracker mortgages

Tracker mortgages are generally linked to the Bank of England Base Rate, meaning the interest rate charged follows changes to Bank Rate according to the terms of the mortgage.

If you have a tracker mortgage linked directly to Bank Rate, today's increase is likely to mean your mortgage interest rate will rise by 0.25 percentage points, although the precise timing will depend on your lender's terms.

This could result in higher monthly repayments, so it is worth checking how the increase affects your individual mortgage.

Fixed-rate mortgages

If you currently have a fixed-rate mortgage, today's announcement will not change the interest rate you are paying during your existing fixed-rate period.

Your monthly repayments should therefore remain unchanged, subject to the terms of your mortgage.

However, fixed mortgage rates are influenced by financial market expectations and swap rates rather than being directly linked to Bank Rate. This means they can change before or after an official announcement.

If you are approaching the end of your current fixed-rate deal, it is worth reviewing your mortgage arrangements and understanding what options may be available.

Standard variable rate (SVR) mortgages

If you are on your lender's standard variable rate, today's increase could influence the interest rate you pay.

However, lenders set their own SVRs and decide whether and when to make changes following a Bank Rate announcement.

If you are currently on an SVR, reviewing your mortgage could help you understand whether there are other options worth considering.

James Ashaye, Mortgage Adviser in Edmonton, North London, said:

"An increase in the Bank of England Base Rate is always something borrowers should be aware of, but it is important to understand what it actually means for your own mortgage.

"For people on tracker mortgages, today's announcement could mean an increase in their monthly repayments, while those on fixed-rate mortgages will not see an immediate change to their existing deal.

"If you are looking to buy your first home, move house or remortgage, there are several factors to consider beyond the headline interest rate. Every mortgage application is different, and what matters is finding an option that works for your circumstances, your budget and your plans."

Talk to Thomas Oliver about your mortgage

Today's increase in the Bank of England Base Rate to 4% highlights the importance of understanding how changes in the wider economy can affect mortgage borrowing.

Whether you are a homeowner reviewing your existing mortgage or a prospective buyer preparing to take your first step onto the property ladder, getting the right mortgage advice can help you make informed decisions.

At Thomas Oliver, we offer an initial consultation to discuss your requirements and help you understand the mortgage options available.

Call us on 01707 872 000 or complete our online enquiry form to speak to one of our experienced mortgage advisers.

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YOUR PROPERTY MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE.

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Thomas Oliver UK LLP is an appointed representative of The Openwork Partnership, a trading style of Openwork Limited which is authorised and regulated by the Financial Conduct Authority.