UK House Price Growth Halves as Mortgage Rates Rise 2026

Annual UK house price growth has halved to just 0.8%, according to the latest data from lender Nationwide, as rising mortgage rates put the brakes on the property market. The slowdown marks the weakest rate of growth since December 2025 and comes amid broader economic uncertainty that also rattled the London stock market this morning.

Mortgage Rates Cool the Housing Market

Nationwide's gauge showed that house prices fell by 0.2% in September, dragging the annual growth rate down from 1.6% in August. Economists had expected prices to remain flat on the month and rise by 1.3% year-on-year, making the actual figures a significant miss. Rising mortgage rates are the primary driver, as higher borrowing costs reduce affordability for potential buyers and dampen demand.

The data underscores how sensitive the housing market remains to interest rate movements. With the Bank of England continuing its battle against inflation, mortgage rates have climbed in recent months, squeezing household budgets and forcing many buyers to reconsider their plans.

Regional and Property Type Variations

House price growth slowed in most UK regions over the last three months, with prices actually falling year-on-year in four areas: the Outer Metropolitan area outside London, South West England, the East Midlands, and East Anglia. However, not all property types experienced the same trend.

The average price of a terraced home rose 1.8% over the year, making it the strongest performing property type. Flats, by contrast, saw much weaker demand, with prices described as "essentially unchanged" compared with a year ago.

Stock Market Reaction

The London stock market got off to a poor start to the month, with the FTSE 100 dropping 116 points, or 1.1%, to 10,489 points at the open. British American Tobacco (-3.2%) and engineering company Weir (-2.7%) were among the top fallers, reflecting broader investor caution.

The combination of weakening house price growth and stock market declines paints a picture of an economy facing headwinds on multiple fronts. Mortgage rates are likely to remain a key focus for both homeowners and investors in the coming months.

Key Takeaways for Buyers and Sellers

• Buyers may find more negotiating power as demand cools, particularly for flats.
• Sellers of terraced homes remain in a relatively strong position, with prices still rising.
• Mortgage rates are the critical variable—any further increases could intensify the slowdown.
• Regional differences matter: some areas are already seeing price declines.

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