Nikka Sulton

The Autumn Budget on 28 October 2026 comes at a challenging time for UK landlords, who are already dealing with higher borrowing costs, tighter regulations and tax changes due to take effect next year. The key question is whether the Chancellor will introduce further costs or offer measures that support property investment.

Current pre-Budget reports suggest that the government may focus on targeted tax changes, first-time buyer support and additional housing funding. A broad increase in Capital Gains Tax (CGT) appears less likely than earlier speculation suggested, although changes to tax reliefs, company transactions and holiday-let rules remain possible.

Even if headline tax rates stay the same, adjustments to allowances, reliefs or reporting requirements could affect landlords’ finances. Housing announcements may also influence the property market without providing direct financial support to private landlords.

Tax Changes Already on the Horizon

Landlords should distinguish between measures already scheduled and any new proposals announced in the Budget. Several changes are due to affect property owners from April 2027, including higher tax rates on property income in England, Wales and Northern Ireland. The planned rates are 22%, 42% and 47%, while Scotland has a separate income-tax system.

Tax relief on residential mortgage finance costs is also due to be calculated at the 22% property basic rate. Meanwhile, frozen income-tax thresholds could push more rental income into higher tax bands over time, even where a landlord’s real spending power has not increased.

Other existing measures include changes to the taxation of unused pension funds from April 2027, the planned High Value Council Tax Surcharge on qualifying homes in England worth £2 million or more from April 2028, and the expansion of Making Tax Digital for qualifying landlords.

These commitments could increase costs before any additional Budget measures are introduced.

Could Capital Gains Tax Increase?

CGT has been one of the main concerns ahead of the Budget, particularly following speculation that rates might be brought closer to income-tax levels. However, reports published in October suggest that the Chancellor has decided against a broad rate increase.

This remains unconfirmed until the official Budget documents are released. Nevertheless, the latest reporting makes a significant rise in CGT rates appear less likely than previously feared.

Individuals generally pay CGT at 18% or 24% on taxable property gains, depending on their income and circumstances. The annual exempt amount is currently £3,000.

For a landlord making a taxable gain of £100,000, a 24% rate would produce a £24,000 tax bill. At a hypothetical rate of 40%, that would rise to £40,000. These figures illustrate the potential impact of a rate increase rather than predict what the Chancellor will announce.

Even if rates remain unchanged, the government could alter allowances or restrict certain reliefs. Such changes could increase the amount of a gain subject to tax without changing the headline percentage.

Company Tax and Family Succession Under Scrutiny

Changes affecting company distributions and family-business transfers are another area to watch. Reports suggest that the government has considered reforms to certain arrangements, although the Treasury has not confirmed the specific proposals.

HMRC has also consulted on the taxation of company distributions, share buybacks, repayments of capital and related transactions. The Budget could provide an update on this work.

These rules may be important for property investors who hold portfolios through limited companies and plan to retire, transfer ownership or pass assets to family members. If a transaction previously treated as a capital payment is instead taxed as income, the overall liability could change considerably.

However, the potential reforms should not be interpreted as meaning that every transfer of a property company to children would automatically attract income tax. The outcome would depend on the transaction, the company’s circumstances and the final rules.

Landlords considering succession or restructuring should pay attention to which arrangements are covered, when any changes would begin and whether existing transactions receive protection.

National Insurance on Rental Income Remains Uncertain

Another possibility is an extension of National Insurance contributions to ordinary rental income. An economic forecast published by ING in October included this among potential government revenue measures, giving the proposal a basis beyond general speculation.

However, no confirmed announcement has established that landlords will face an additional National Insurance charge on rental income.

Any proposal would need to clarify how the charge was calculated, which types of income or ownership structures were included and how it would interact with the higher property-income tax rates already scheduled for April 2027.

Landlords should therefore avoid assuming that a particular National Insurance percentage will apply to all rent received. The actual impact would depend on the rules and each landlord’s circumstances.

Rental Income Tax and Mortgage Interest Relief

The scheduled increase in property-income tax rates is a more immediate concern than another broad rise. From April 2027, the planned framework will retain restrictions on residential mortgage-interest relief while calculating the tax reduction at the 22% property basic rate.

For example, consider a landlord receiving £24,000 in annual rent, with £4,000 in other deductible expenses and £10,000 in mortgage interest. Under the illustrative assumptions in the pre-Budget analysis, the landlord’s income tax would increase from £6,000 under the current rules to £6,200 under the scheduled changes.

Although the tax increase is £200, the landlord’s cash remaining after tax would fall from £4,000 to £3,800. The final outcome will vary according to income, allowances and the landlord’s ability to use the available finance-cost tax reduction.

Limited-company landlords require a separate assessment, as corporation tax, borrowing costs, administration and the personal tax consequences of withdrawing profits all influence returns.

Stamp Duty Cuts Appear Unlikely

Property investors hoping for a reduction in Stamp Duty Land Tax (SDLT) may be disappointed. The Prime Minister previously ruled out abolishing the tax in this Budget, and recent commentary suggests that the existing system is likely to remain largely unchanged.

The industry has called for measures such as lower additional-property charges, higher thresholds and relief for people moving home. However, there is little evidence to suggest that substantial concessions for landlords are imminent.

In England and Northern Ireland, the additional-property surcharge adds five percentage points to the relevant residential SDLT rates, subject to the applicable conditions and exceptions. On a £250,000 additional-property purchase, the illustrative calculation in the pre-Budget analysis gives a total SDLT bill of £15,000.

Any changes would need to be checked against their start dates, eligibility rules and treatment of existing transactions. Scotland and Wales operate separate property transaction-tax systems.

Mansion Tax Details Could Affect High-Value Properties

The planned High Value Council Tax Surcharge is due to begin in April 2028 and is intended to cover qualifying residential properties in England worth £2 million or more.

The published structure sets out four annual charge bands:

£2 million to £2.5 million: £2,500
£2.5 million to £3.5 million: £3,500
£3.5 million to £5 million: £5,000
Above £5 million: £7,500

Although there has been speculation about lowering the starting threshold to £1.5 million, later reports suggest this proposal has been rejected. More detailed guidance on valuations, appeals, ownership structures and deferral arrangements may be more relevant to the Budget.

The proposed charge is based on the value of an individual dwelling rather than the owner’s equity after mortgage borrowing. As a result, owning several lower-value properties is not equivalent to owning one property worth more than the threshold.

The government has also consulted on whether non-UK resident owners should face an additional premium. No rate has been confirmed, and any final rules would need to define residence, ownership arrangements and exemptions carefully.

Holiday Lets Could Face Tighter Tax Rules

The taxation of holiday lets is another area where changes remain possible. The Treasury has confirmed that it is considering representations concerning short-term lets and the use of small business rates relief, although it has not committed to a specific reform.

Potential changes could include stricter eligibility criteria for business rates relief, additional evidence of genuine commercial activity or the reclassification of certain properties.

For operators currently benefiting from a reduced or zero business rates bill, a move to council tax could increase running costs. The impact would depend on the property’s classification, its council-tax band, local rules and any applicable second-home premium.

Landlords should not assume that every holiday let would experience the same increase. The existing rates bill, relief eligibility and property use would all affect the result.

The Budget may also provide further information about plans for overnight visitor levies in England. These are intended to allow eligible mayors and strategic authorities to introduce local charges on accommodation, rather than create one uniform national levy. Operators may need to consider the effects on pricing, bookings and administration.

Energy-Efficiency Funding and Tax Relief

Possible changes to heat-pump funding could affect landlords planning improvements to their properties. Reports in October raised the prospect of reductions to the Boiler Upgrade Scheme, but the government has not confirmed that current grants will be withdrawn.

A smaller funding allocation, a lower grant per installation or tighter eligibility rules would have different consequences. Landlords should wait for details before assuming that a particular level of support will disappear.

Property owners are also seeking tax incentives for energy-efficiency improvements. The temporary zero rate of VAT on specified energy-saving installations is currently scheduled to end on 31 March 2027, after which the reduced 5% rate would apply under existing rules.

Separately, the government’s plans for higher energy-performance standards in the private rented sector include a compliance date of 1 October 2030, subject to legislation, exemptions and transitional arrangements.

For landlords, the total cost will depend on the work required, available grants, tax treatment and the deadline for compliance. A general commitment to improving homes does not necessarily mean that every improvement will qualify for immediate tax relief.

Inheritance Tax and Property Succession

Inheritance Tax also deserves attention, particularly for families with property portfolios, other assets and unused pension funds. Existing thresholds and allowances can interact, making it important to assess the estate as a whole rather than consider each asset separately.

The standard nil-rate band is £325,000. A residence nil-rate band of up to £175,000 may also apply when an eligible home passes to direct descendants, subject to conditions and reductions for larger estates. Unused allowances may be transferable between spouses or civil partners under the relevant rules.

Further changes to lifetime gifting, reliefs or pension arrangements remain possible, although a major overhaul of Inheritance Tax appears less likely than technical clarification of existing measures.

Owning rental properties through a company does not automatically qualify the business for Inheritance Tax Business Relief. Companies mainly holding investments are generally excluded, so succession planning for a property portfolio can differ from planning for a qualifying trading business.

Housing Support and First-Time Buyers

Not every Budget announcement is expected to increase costs for landlords. The government is also preparing measures intended to help first-time buyers and support housing delivery.

The Your First Home scheme is expected to offer eligible buyers of qualifying new-build properties the opportunity to purchase with a 2.5% deposit and a 20% government equity loan. The Budget is scheduled to provide further details, including price limits, launch arrangements and repayment terms.

A proposed First Time Buyer ISA may also receive further attention. The consultation has considered features such as a government bonus, eligibility rules and greater flexibility when circumstances change. The final savings limits, property-price caps and bonus arrangements remain to be confirmed.

These initiatives could help some households overcome the deposit barrier, although their effect on affordability will depend on the final terms, mortgage eligibility and the availability of suitable homes.

Housing Supply and Regeneration Funding

The Budget may also include further housing allocations or delivery measures. The government already has a £39 billion, ten-year Social and Affordable Homes Programme, alongside plans to increase council housebuilding.

Further announcements could involve releasing existing funds earlier, allocating money to additional projects, improving infrastructure or supporting local planning capacity. The important distinction is whether the measures provide genuinely new funding or change how and when existing money is spent.

Funding for regeneration and strategic authorities may also create opportunities in particular locations. However, national announcements alone do not establish that a local property market will benefit. Investors should look for confirmed projects, realistic delivery schedules and evidence of how improvements could affect employment and housing demand.

Additional support for rough sleeping has also been announced ahead of the Budget. For landlords considering supported accommodation or council leasing arrangements, the key questions are which organisations receive funding, how long it lasts and whether individual contracts provide reliable income and clear responsibilities.

Business Rates and Developer Tax Relief

Commercial property owners may benefit if further small business rates relief is introduced. Reports suggest that the threshold for full relief could rise from a rateable value of £12,000 to £18,000, potentially from April 2027. The final thresholds, eligibility criteria and taper would need to be confirmed.

Rateable value is not the same as a property’s market value, and the benefit would depend on who is responsible for paying the rates. Relief could help some tenants manage occupancy costs and support demand for commercial premises, although it would not remove every vacancy-related liability.

Developers should also watch for the Budget’s conclusions on Land Remediation Relief. The Treasury has indicated that it intends to publish its position on reform, which could affect the cost of preparing brownfield sites for development.

Consultation has also explored VAT relief for qualifying land intended for social housing. Meanwhile, the Building Safety Levy already applies to relevant building-control applications in England from 1 October 2026, subject to exemptions. Industry calls for concessions do not confirm that the levy will be reversed.

HMRC Compliance and Digital Reporting

The government could pursue additional tax revenue through improved compliance and collection rather than headline tax increases. This may mean more scrutiny, information requests and record-keeping requirements for taxpayers.

Making Tax Digital for Income Tax is already being expanded. From April 2027, the qualifying income threshold is scheduled to fall to over £30,000, followed by over £20,000 from April 2028. Landlords need to consider qualifying property and self-employment income together when assessing whether the rules apply.

Quarterly updates and the final annual tax calculation are separate obligations. Any simplification or temporary penalty concession would not necessarily mean that the programme itself has been postponed.

For property investors, administrative changes can add to operating costs through software, record management and professional fees, even when headline tax rates remain unchanged.

Mortgage Costs Could Have a Greater Impact Than Tax Headlines

Changes affecting lenders could also influence property investment returns. Reuters has reported that higher bank taxation is among the possible revenue measures being considered, but there is no automatic relationship between a bank-tax increase and a specific rise in mortgage rates.

Lenders’ decisions depend on funding costs, competition, product design and wider market conditions. The Bank of England’s policy rate is not set directly by the Chancellor, so investors should monitor market expectations and actual lender pricing after the Budget.

For illustration, a 0.5 percentage-point increase in the rate on £200,000 of interest-only borrowing would add £1,000 to annual interest costs, or approximately £83.33 a month, before tax effects and fees.

The impact could be significant for landlords approaching refinancing, particularly those with several loans. A modest increase in borrowing costs may outweigh a smaller tax concession, making it important to assess total cash flow rather than focus on a single announcement.

What Should Landlords Watch For?

The Budget should be assessed against the measures already scheduled, the proposals that receive confirmation and the changes that remain speculation.

A broad CGT rate increase, major SDLT concessions and the restoration of full mortgage-interest deductibility for individual landlords currently appear to be lower-probability outcomes. Other areas, including company transactions, holiday-let taxation, housing support and compliance requirements, warrant closer attention.

For each announcement, landlords should establish whether it introduces a genuinely new measure, which properties and ownership structures it covers, when it takes effect and whether it changes a tax rate, a relief or an administrative obligation.

The financial impact should then be assessed against the property’s rent, operating expenses, borrowing costs and tax position. Landlords planning a sale, refinancing or transfer of ownership should also consider how any changes affect those decisions.

The Autumn Budget may not deliver a sweeping new tax raid, but existing commitments and targeted reforms could still affect returns. The final Budget documents, rather than pre-announcement forecasts, will determine what landlords need to do next.