The Autumn Budget 2026: What Small and Medium Businesses Should Watch For

The Autumn Budget is expected to be one of the most consequential for small and medium-sized businesses in years. With the UK running a significant fiscal deficit, gilt yields at 19-year highs, and public spending under pressure, the Chancellor faces difficult choices — and many of them will land on businesses and their premises costs.

This article sets out the key themes to watch and what they could mean for your business.

Why this Budget matters more than most

The fiscal backdrop is unusually tight. The UK government is borrowing more than it projected and paying more to service that debt as gilt yields have risen. Tax receipts have grown, but spending pressures — particularly on NHS, defence, and benefits — have outpaced them. The result is a Budget that will almost certainly involve tax rises, spending cuts, or both.

For small and medium-sized businesses, the areas of greatest exposure are employment costs, business rates, capital allowances, and property-related taxes.

Employment costs: the pressure continues

National Insurance Contributions (NICs) for employers rose in April 2026. There is speculation the Chancellor may look to increase employer NICs further, reduce thresholds, or reduce the Employment Allowance that partially offsets NICs for smaller businesses. Any of these would directly increase the cost of employing staff — and for businesses already under cost pressure, this could accelerate decisions to reduce headcount or delay hiring.

Business rates: reform or further tinkering?

Business rates remain the commercial property tax that generates the most complaints from SME occupiers. The 2026 revaluation adjusted rateable values to reflect 2021 rental levels — which means many businesses in recovering locations saw their rates bills rise even as actual trading conditions remained difficult.

The Budget may bring further transitional relief, a new small business multiplier announcement, or — if the government is feeling more ambitious — a longer-term commitment to more fundamental reform. Watch for any changes to the retail, hospitality, and leisure relief scheme, which has been a lifeline for high street occupiers since Covid and has been repeatedly extended rather than made permanent.

Capital allowances and investment incentives

The Full Expensing regime introduced in 2023 allows businesses to write off qualifying plant and machinery in the year of purchase. The Budget may extend, restrict, or reshape this. For businesses considering fit-out, equipment purchases, or refurbishment of premises, the timing of those decisions relative to any Budget announcement matters.

Stamp Duty Land Tax and property transaction costs

SDLT changes — particularly around commercial property — are less frequent than residential changes but have a significant effect on the cost of purchasing freehold commercial premises. The Budget may also address the SDLT treatment of mixed-use properties, which has been subject to litigation and HMRC challenge in recent years.

What to do now

The Budget is likely in October or November 2026. Before it lands:

• If you are planning a property transaction, model the cost under current SDLT rates and consider timing.
• If you are negotiating a lease, complete negotiations before any changes to the reliefs or allowances that affect your landlord's position.
• If you are reviewing employment costs, factor in potential NIC increases when modelling headcount.
• If you are planning capital investment in premises, understand whether Full Expensing applies to your expenditure and whether its scope might change.

RE:match helps businesses find commercial property that fits their budget and terms — before market conditions or tax changes shift the calculation. Post your requirement at rematch.co.uk.