FRS 102 Lease Accounting Changes: How UK Balance Sheets Will Transform in 2026

For accounting periods beginning on or after 1 January 2026, the Financial Reporting Council’s (FRC) amendments to FRS 102 Section 20 will bring in new lease accounting standards that overhaul how leases appear in UK financial statements (bringing most leases onto the balance sheet). It’s a compliance shift that will affect almost every trading company that rents property, vehicles, equipment or IT infrastructure.

The new lease accounting standards align with the IFRS 16 approach adopted by larger entities years ago, but the transition requirements and practical implications for smaller UK-GAAP reporting entities require careful attention now. The mandatory implementation is already in effect – are your clients ready?

The End of Off-Balance Sheet Financing

At the heart of the FRS 102 update is the move to a right-of-use model. The distinction between operating and finance leases (where operating leases remained off-balance sheet with rental payments expensed through the income statement) is largely removed. Instead, nearly all leases must now be capitalised, recognising both an asset representing the right to use the leased item and a corresponding liability to make lease payments.

Distinguishing the right-of-use asset and lease liability

At lease commencement, two distinct balance sheet items emerge. The right-of-use (ROU) asset represents the lessee’s right to use the leased asset for the duration of the lease term. The lease liability captures the obligation to make those future payments. The ROU asset is initially measured at cost, which includes:

• The initial lease liability amount
• Any lease payments made at or before commencement
• Initial direct costs incurred
• Estimated restoration or dismantling costs.

The lease liability takes the present value of all future lease payments that have not yet been paid. This covers:

• Fixed payments
• Variable payments tied to an index or rate
• Amounts expected to be payable under residual value guarantees
• Purchase option payments where exercise is reasonably certain.

The ROU asset depreciates over the shorter of the lease term or the asset’s useful life. The lease liability reduces as payments are made, but also accrues interest using the effective interest method. This change in lease accounting creates the front-loaded expense pattern (higher charges in early years, lower charges later) that will catch many clients off guard.

FRS 102 discount rate

Lease liabilities must be discounted to present value using either:

• The interest rate implicit in the lease (if known), or
• The lessee’s incremental borrowing rate (IBR).

Many SMEs have never had to calculate an IBR before. Yet small changes in that rate materially alter the size of the liability and the ROU asset. The IBR represents the rate of interest a lessee would have to pay to borrow (over a similar term and with similar security) the funds necessary to obtain an asset of similar value. You’re looking at the entity’s credit profile, the lease term, the nature of the asset and the economic environment at lease commencement.

As an accountant for entities with multiple leases or diverse asset classes, you may also need to develop different IBRs for different lease portfolios. The IBR impacts both the opening balance sheet position and future profit recognition, so getting it wrong can distort reported results for years.

From operating vs. finance leases to a single model approach

Under FRS 102, operating leases stay off the balance sheet and nearly everything is brought on balance sheet (with limited exceptions). Short-term leases (12 months or less) and low-value asset leases can still use a simplified approach, expensing payments as incurred. But for the vast majority of property, equipment and vehicle leases that UK businesses rely on, the new model applies without exception. This single-model approach is the core of the new lease accounting standards.

The Practical Impact on Financial Statements

The most immediate, visible effect is balance sheet expansion – especially for those with property or vehicle fleets. ROU assets increase non-current assets while lease liabilities inflate both current and non-current liabilities.

Growth in total assets and liabilities

This can weaken solvency and gearing ratios overnight, even though the underlying business has not changed. Practitioners need to quantify this impact for clients as soon as possible. Allow time for stakeholder discussions, covenant renegotiations (if necessary) and adjustments of internal performance metrics.

Replacing rent with depreciation and finance cost

Under the new lease accounting standards, the familiar rent expense disappears. Instead, you get two separate charges:

• Depreciation of the ROU asset, and
• Interest on the lease liability.

Expenses will be front-loaded because interest is higher in the early years of a lease. Under the old operating lease model, rent expense appeared as a single line item charged on a straight-line basis over the lease term. Total expense over the full lease term is identical, but the timing shifts. EBITDA will increase because lease costs are now split between depreciation (excluded from EBITDA) and interest (also excluded). This is a major part of the accounting changes for leases and will surprise clients who are used to smooth rental charges.

Alterations to critical financial metrics

Financial ratios built on traditional operating lease treatment will need recalibration:

• Gearing ratios increase as lease liabilities inflate debt measures
• Return on assets can fall as the asset base expands
• Interest cover may weaken as finance costs on lease liabilities are added to existing borrowing costs.

These metrics matter to banks, investors and credit insurers, so proactive communication is essential to avoid unnecessary covenant waiver discussions or worse, default triggers. Changes in lease accounting can push compliant entities into technical breach through no fault of their operational performance.

Moving Forward with FRS 102 Lease Reform

These 2026 FRS 102 amendments are one of the biggest shifts in UK-GAAP reporting in recent years. Accounting changes for leases will probably impact many of your clients’ balance sheets in ways they’re not expecting. The right response is early action, informed technical judgement and access to reliable support. ICPA exists to give members exactly that: expert guidance (through our technical advice lines), authoritative resources (Tolley+ FRS 102 guidance) and practical help so you can manage the new lease accounting standards with confidence and protect both your practice and your clients.