AuditLease

Guides

Lease Accounting Guides

Practical guides to IFRS 16, FRS 102 and lease accounting for UK finance teams and accounting firms. Written for Finance Directors and accountants, not software developers.

FRS 102

FRS 102 Lease Changes: Transition Guide

What is changing from 1 January 2026, who is affected, the modified retrospective transition, and a worked example for UK finance teams.

9 min read

FRS 102 Lease Accounting Checklist for 2026

Ten steps to prepare for the FRS 102 lease accounting changes, from gathering lease agreements to preparing audit evidence.

8 min read

FRS 102 Modified Retrospective Example

How the modified retrospective transition method works, with a practical opening journal example.

7 min read

IFRS 16

IFRS 16 vs FRS 102: Lessee Differences

What the two standards now share for lessees, where they still differ, and which one applies to you. Transition is the difference that matters most.

7 min read

IFRS 16 Lease Liability Calculation Example

How to calculate the lease liability under IFRS 16, with a worked present value example and amortisation schedule.

9 min read

IFRS 16 Audit Procedures: A Practical Checklist

Audit procedures by assertion: completeness of the lease population, discount rate support, lease term judgements, remeasurements and disclosures, with a client evidence request list.

10 min read

Audit evidence

Lease Accounting Audit Evidence Checklist

What auditors expect to see for IFRS 16 and FRS 102 lease accounting, from judgement documentation to calculation trails.

7 min read

Calculations

Incremental Borrowing Rate (IBR) Explained

What the incremental borrowing rate is, how to determine it, and how to document the judgement for audit.

6 min read

Free calculators

Reading is one thing, running the numbers is another. Each of these does the calculation the matching guide explains. No sign-up.

Incremental borrowing rate calculator

Build an IBR from a term-matched risk-free rate, credit spread and asset adjustment, or solve for the rate implicit in the lease.

Pairs with: Incremental Borrowing Rate (IBR) Explained

IFRS 16 lease liability calculator

Present value of the lease payments, with the amortisation schedule and the opening right-of-use asset.

Pairs with: IFRS 16 Lease Liability Calculation Example

FRS 102 lease calculator

Lease liability and right-of-use asset under the amended FRS 102 model.

Pairs with: FRS 102 Lease Accounting Checklist for 2026

FRS 102 transition calculator

Opening balances on transition to the amended FRS 102 lease model.

Pairs with: FRS 102 Modified Retrospective Example

Dilapidations provision calculator

Discounted provision for a dilapidations obligation, with the unwind.

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