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Mortgage Rates Rise: Key Reasons and Impacts

Mortgage rates are rising, impacting borrowers with higher monthly payments; major lenders like Barclays and Halifax are leading the changes.

By David Sampson
23 July 2026
3 min read
UK mortgage rates article image for Mortgage Rates Rise Key Reasons and Impacts

TL;DR

  • Barclays, Halifax, and HSBC are raising mortgage rates by up to 0.20% due to climbing swap rates linked to geopolitical tensions.
  • this affects borrowers with increased monthly payments.

Written by David Sampson for Mortgage118. Last updated 23 July 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Mortgage rates have recently increased as lenders respond to rising funding costs triggered by geopolitical tensions, particularly the escalating conflict in Iran. Major lenders like Barclays, Halifax, and HSBC have announced rate hikes, marking a shift from previous months where rates were gradually decreasing following a ceasefire.

Why Are Lenders Increasing Mortgage Rates?

The recent increase in mortgage rates is largely attributed to the rise in swap rates, which are important in determining lender pricing. Nicholas Mendes, a mortgage technical manager at John Charcol, noted that lenders price off swaps rather than the Bank of England’s base rate. As swap rates have climbed due to the conflict in the Middle East, lenders are adjusting their rates to align with these increased funding costs. When a significant player like Halifax raises its rates, it often prompts other lenders to follow suit within days.

What Does This Mean for Borrowers?

For borrowers, the recent rate hikes translate into higher monthly mortgage payments. For example, a 0.20% increase on a typical £200,000 mortgage over 25 years could add approximately £23 to monthly repayments, amounting to around £276 annually. Similarly, for a £300,000 mortgage, the same increase would result in an additional £35 per month, or nearly £420 each year. This change can significantly impact household budgets, especially for those on tight financial plans.

Will Interest Rates Continue to Rise?

The recent flurry of mortgage rate increases raises questions about future interest rate movements. While fixed-rate pricing is not directly influenced by the Bank of England’s base rate, lender actions can signal potential trends. Mendes indicated that the Monetary Policy Committee (MPC) is leaning towards a hawkish stance, with some members advocating for an immediate increase to 4%. Although Mendes believes a hold is still likely, the ongoing discussions suggest that a rate hike in the near future is more probable than a cut.

What This Means for Investors and Landlords

Investors and landlords should be particularly vigilant as rising mortgage rates can affect profitability and cash flow. Higher borrowing costs may lead to increased rental prices, which can impact tenant affordability. Additionally, those looking to refinance or secure new financing should act quickly, as further rate increases could make borrowing less attractive. Keeping an eye on lender movements and market trends will be essential for making informed investment decisions.

Frequently Asked Questions

How will the mortgage rate increase affect my monthly payments?

A 0.20% increase on a typical £200,000 mortgage could add around £23 to your monthly payments, while a £300,000 mortgage would see an increase of about £35 per month.

Should I consider refinancing my mortgage now?

If you are considering refinancing, it may be wise to act sooner rather than later, as further increases in mortgage rates could make refinancing less beneficial.

About David Sampson

David Sampson writes about the UK mortgage market for Mortgage118, covering specialist lending, market trends, and practical advice for borrowers. All content is reviewed for accuracy against FCA guidelines and current market data.