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Autumn Budget: What does it mean for the Property Market?

26.11.25

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Chancellor Rachel Reeves has delivered the Autumn Budget, announcing reforms that will directly impact property taxation and housing policy. The measures are set to influence homeowners, prospective buyers and investors, particularly in London and the South East.

Below is a summary of the key announcements and their potential implications for the property market.

Key Changes to the Property Market

Widespread speculation suggested a High Value Council Tax surcharge- referred to as a “mansion tax”- on properties worth £500,000 and above, causing many homebuyers to hold off with their purchases until there was more clarity. However, the official policy was significantly more modest, with Labour confirming an annual tax in England on homes valued over £2 million from April 2028. This threshold is far higher than expected and is anticipated to affect fewer than 1% of homes within the property market.

This will come as somewhat of a relief to a vast pool of homebuyers and investors, especially in areas such as London where property values are typically higher.

According to Rightmove, less than 0.5% of properties sold so far this year were priced above £2 million, with only around 1% of current listings exceeding this value. JLL data also shows a 4.2% annual increase in transactions below £2 million in London, representing 66% of all Prime Central London sales, indicating that the majority of the market will remain unaffected by the new tax.

Market Outlook

The final Budget announcement proved to be less disruptive than the rumours that preceded it. Industry analysts now expect increased market activity as buyers who postponed decisions due to uncertainty return to the property market with a clearer idea of how their finances will be impacted by new policies.

Zoopla reported an 8% year-on-year decline in buyer demand in October, largely attributed to speculation around potential stamp duty changes.

With more transparency and the impact of the new tax more limited than anticipated, the outlook for 2026 is more optimistic than it was in the lead up to the Budget. Roughly 210,000 homes rumoured to be the subject of the “mansion tax” will now not need to adjust their asking prices to absorb an annual charge, meaning affordability within this section of the property market is preserved.

A gradual rebound in demand, particularly in London, is expected as confidence returns and pent-up demand begins to release.

A Focus on Growth and Business Investment

The Chancellor positioned the Autumn Budget as a long-term strategy for stability and economic expansion, introducing measures designed to stimulate business investment and support high-street recovery. Key policies include:

• Tax reductions for 750,000 retail and hospitality properties
• Stamp duty incentives to encourage entrepreneurs to scale and list companies in the UK
• Retention of the lowest corporation tax rate in the G7
• Faster reduction in government borrowing than any other G7 nation

The Office for Budget Responsibility (OBR) forecasts inflation to fall to 0.4% next year, alongside improved UK growth projections from 1% to 1.5%. These developments reinforce the UK – particularly London – as an attractive hub for business and international investment, and this is a huge draw for international homebuyers looking for more than just a place to live.

Overall, the Autumn Budget provides some much-needed transparency for the property market after a prolonged period of uncertainty, supporting expectations of renewed market activity heading into the new year. Homebuyers who held off in the lead up to the Budget now have the information they need to make informed decisions moving forward, which looks set to draw the majority back to the market.