UK mortgage market braces for fixed-rate increases as swap costs climb

Traders Union
All News
Financial News
UK mortgage fixed-rate increase

Highlights

UK 10-year gilt yield hit its highest level since 2008 and two-year swaps climbed to 4.49 per cent, pressuring lenders to raise fixed mortgage rates.
Nationwide's two-year fix stands at 4.48 per cent and five-year fix at 4.5 per cent, while Gen H will hike all rates by 0.2 percentage points from Thursday evening.
Mortgage approvals dropped to 56,100 in July, down 15 per cent from July 2025, with net mortgage borrowing falling to £4.3bn from £7.7bn in June, signaling weaker housing demand.

Swap moves push lenders towards repricing

As reported by Financial Times, mortgage brokers are warning that lenders are likely to lift fixed-rate pricing after a sharp move in swap markets, which banks use to help price home loan deals. The UK 10-year gilt yield has risen to its highest level since 2008, while the two-year overnight rate climbed from about 4.3 per cent on Friday to as high as 4.49 per cent on Wednesday morning before easing to 4.43 per cent, and the five-year overnight rate briefly reached a three-year high of 4.53 per cent.

Aaron Strutt, product director at Trinity Financial, says swap rates have risen as geopolitical tensions intensify and expects fixed mortgage rates to increase even though major lenders have not yet made broad changes. Nationwide is currently offering two-year fixed-rate mortgages at 4.48 per cent and five-year fixes at 4.5 per cent, while Gen H says it will raise all its rates by 0.2 percentage points from Thursday evening.

Adrian Anderson, managing director at Anderson Harris, says brokers are contacting clients due to remortgage and urging them to bring forward decisions to lock in rates before lenders react. He says repricing may take a couple of days after a rapid increase in swap rates, but once one lender moves, others usually follow, and brokers are asking clients to send payslips and bank statements as soon as possible to speed applications.

Housing market faces a more cautious autumn

Lucian Cook, director of residential research at Savills, says mortgage markets have become more sensitive to geopolitical shocks and their effect on inflation and base rate expectations since the outbreak of the Ukraine war in 2022. That sensitivity is now adding to concerns about the strength of the UK housing market's autumn selling season after a sluggish summer for home purchases.

Mortgage approvals fell to 56,100 in July, down 15 per cent from July 2025 and 13 per cent below the 10-year average, indicating that homebuyers are more reluctant than usual to commit. Net mortgage borrowing also dropped to £4.3bn from £7.7bn in June, and Cook says a more volatile backdrop with further upward pressure on mortgage costs could limit activity among buyers and make the autumn market more challenging.

Our earlier article on the global bond-market sell-off detailed how escalating geopolitical tensions and higher oil prices were reigniting inflation worries and strengthening expectations of tighter monetary policy. It noted that the resulting jump in sovereign yields pushed borrowing costs to multiyear highs in markets including the UK, adding pressure as governments and borrowers faced higher refinancing and debt-servicing costs.

This material may contain third-party opinions, none of the data and information on this webpage constitutes investment advice according to our Disclaimer. While we adhere to strict Editorial Integrity, this post may contain references to products from our partners.