The Autumn Budget is due on Wednesday 28 October 2026, and borrowers with property interests, from landlords and developers to high-net-worth individuals, will be watching closely. Nothing is confirmed until the Chancellor speaks and the Treasury publishes its documents, so this article does not predict outcomes. Instead it sets out the areas that commonly matter for property finance and how to prepare sensibly.
Where we are on rates
The Bank of England held Bank Rate at 3.75% in September 2026, and its next decision is due on 5 November. Lenders price fixed-rate products from swap rates, which respond to expectations about inflation, growth and government borrowing, so a Budget can move pricing even before any change to Bank Rate. Rate sheets can be repriced at short notice, which is why a secured offer can be valuable if you have a transaction in progress.
Tax areas property owners watch
Budgets frequently touch taxes that affect property: stamp duty land tax thresholds and surcharges, capital gains tax rates and allowances, income tax on rental profits, inheritance tax reliefs and the treatment of mortgage interest. Any change can alter the economics of buying, holding or selling. Tax outcomes depend on your individual circumstances, so please speak with a qualified tax adviser or accountant before acting on any announcement.
What it can mean for landlords
Landlords should revisit their yield and cash-flow assumptions once details are known. Our guides on Section 24 and limited company buy to let and selling or refinancing to release equity set out the main decisions. Whether to hold, refinance or sell is a lending and a tax question, and the answer may differ from one portfolio to the next.
What it can mean for high-net-worth borrowers
High-net-worth clients often hold property alongside investments, businesses and trusts. Changes to allowances or reliefs may influence whether to borrow against assets, how to structure ownership and when to realise gains. Private and specialist lenders look at the whole balance sheet, as discussed in private bank and high-net-worth mortgage lending. Borrowing against property rather than selling may be an option in some cases, including via second charge lending on prime property.
What it can mean for developers and commercial investors
Developers should watch measures on planning, building safety, VAT and capital allowances, since they feed through to costs, viability and exit values. Lenders will test projections using current evidence rather than expected policy. See ground-up development finance and commercial mortgage loan-to-value criteria for how finance is sized.
Practical steps before and after the announcement
- Do not act on speculation. Measures are often phased in, amended or subject to transitional rules.
- If a purchase or refinance is in progress, speak to your adviser about securing an offer and its validity period.
- If your fixed rate ends in the coming months, review options early; many lenders allow you to reserve a rate in advance.
- Stress-test your plans against higher costs and lower values, and keep a cash buffer.
- Take tax advice before selling, restructuring or gifting property.
How we can help
We review your position, compare lenders and outline realistic options once the details are confirmed. Explore our buy to let mortgage service, the buy to let and portfolio landlord hub, areas we cover, or contact us for a conversation.
Your property may be repossessed if you do not keep up repayments on a mortgage or other loan secured on it. Buy to let, commercial and bridging lending are largely not regulated by the Financial Conduct Authority. This article is general information, not tax or financial advice.
Giles Finance is a trading style of Giles Finance & Consultancy Services, authorised and regulated by the Financial Conduct Authority (FRN 726857).