House prices are no longer racing ahead. In fact, Nationwide’s latest data shows the average UK home slipped slightly in August 2025, down 0.1% to £271,079. That’s not a crash – far from it – but it does signal that the market is slowing after several years of strong growth.

So what’s behind the cooling, and what should you do if you’re thinking about buying, selling, or remortgaging?

Prices: Slowing, Not Falling Apart

Annual house price growth has eased to 2.1%, the lowest since mid-2024. Economists had expected a bit more momentum, but two factors are keeping things in check:

1. Affordability pressures – mortgage costs are still high relative to incomes.
2. Budget uncertainty – speculation around possible tax changes has made buyers and sellers more cautious.

Affordability Still Hurts

Even with the Bank of England trimming the base rate to 4%, borrowing remains expensive compared to the past decade. First-time buyers are now spending around 35% of take-home pay on mortgage repayments – well above the long-term average of 30%.

Deposits remain another barrier. With prices still stretched versus incomes, saving enough upfront is tough, especially after several years of rising living costs.

The Autumn Budget Effect

The upcoming Autumn Budget (26 November) is another reason for hesitation. Possible measures being discussed include:

• A new property tax on higher-value homes.
• Changes to capital gains tax on larger property sales.
• Adjustments to landlord taxation.

Even before any announcements, the uncertainty alone has slowed activity, particularly in London and the South East.

Regional Divide Emerging

While activity in the South is slowing, demand in parts of the North and Scotland remains stronger. More affordable housing and less exposure to potential tax changes are keeping buyers and investors engaged in those areas.

What Should You Do?

If you’re buying: Secure your mortgage agreement in principle before doing anything else. A broker can clarify your true borrowing power and highlight lenders offering flexible terms.

If you’re selling: If you can wait until after the Autumn Budget, you may benefit from clearer conditions. If you can’t, realistic pricing and an active estate agent remain key.

If you’re remortgaging or downsizing: Rates could soften into 2026, but they’re still high compared with recent years. Locking in a competitive deal now – and getting financial advice on equity release or downsizing – could save you money and stress.

Final Word

This isn’t a crash – it’s a cooling market shaped by affordability and political uncertainty. The right move for you depends on your personal circumstances, not the headlines. If you’re unsure, it’s worth talking to both a mortgage broker and a financial planner before making decisions.

✅ Next step: If you’d like tailored advice on mortgages, property planning, or managing assets ahead of the Budget, speak with Questa before taking action.

All data correct as of September 2025. Sources: Nationwide, ONS, Bank of England.