IAS 16 Property Plant and Equipment Practical Guide for Accountants

The practical answer

IAS 16 is not mainly a rule about calculating depreciation. It is a decision process that starts when money is spent and continues until the asset leaves the books. The accountant must decide whether the expenditure creates or improves a resource that will be used for more than one period, which costs belong in the asset, when the asset is ready for use, how its significant parts are consumed, and when an impairment or disposal entry is required.

The everyday discipline is simple: identify the asset, build a supported cost, record the available-for-use date, separate significant components, choose a consumption pattern, review estimates and reconcile the fixed-asset register to the general ledger. A mathematically correct depreciation charge can still be wrong if any earlier decision was wrong.

What IAS 16 covers

IAS 16 applies to tangible items held for production, supply, rental or administration that are expected to be used for more than one period. Common examples include buildings, plant, vehicles, furniture, computers, generators, office equipment and bearer plants. Another Standard may govern a particular asset or transaction, so classification comes first.

• Owner-occupied property normally falls under IAS 16, while property held mainly for rent or capital appreciation may fall under IAS 40.
• A lessee's right to use an asset is initially accounted for under IFRS 16, subject to the measurement interactions described in that Standard.
• Assets classified as held for sale are dealt with under IFRS 5, and impairment is tested under IAS 36.

Recognition before calculation

An item is recognised as property, plant and equipment when future economic benefits are probable and its cost can be measured reliably. The test applies to initial purchases and to later expenditure. The invoice description or internal budget label does not settle the accounting.

Repair or asset

Routine repairs and day-to-day servicing normally maintain an asset rather than create a new one, so they are expensed as incurred. A replacement, major inspection or improvement may be capitalised when the recognition criteria are met. When a component is replaced, the carrying amount of the old component is derecognised even if the original invoice did not identify it separately. A reasonable estimate may be needed.

FGL practical approach: Require the requestor to state what changed: capacity, output quality, useful life, safety compliance, cost efficiency or simply restoration to the previous condition. The answer helps accounting assess substance instead of relying on the word upgrade.

Building the initial cost

Initial cost includes the purchase price after discounts, import duties and non-refundable purchase taxes; directly attributable costs needed to bring the asset to the location and condition necessary for its intended operation; and the initial estimate of dismantling, removal and site restoration obligations when the relevant liability is recognised.

Cost item	Usual treatment	Reason
Purchase price and import duty	Capitalise	They form part of acquiring the asset.
Delivery and installation	Capitalise when directly attributable	They bring the asset to the required location and condition.
Eligible testing cost	Capitalise	Sales proceeds and related output cost are recorded in profit or loss rather than deducted from the asset.
Staff training	Expense	The asset can normally operate whether or not particular employees have been trained.
General administration	Expense unless directly attributable	General overhead does not usually bring the asset to working condition.
Abnormal waste and avoidable rework	Expense	Inefficiency is not part of the asset's necessary cost.
Routine maintenance	Expense	It preserves rather than creates future economic benefits beyond the assessed asset.
Dismantling and site restoration estimate	Capitalise with a provision when required	It is part of the obligation created by acquiring or using the asset.

Capitalisation stops when the asset is in the location and condition necessary to operate as management intends. Costs incurred while the asset is capable of operating but remains idle, runs below capacity or waits for a ceremonial launch are not automatically added to cost.

When depreciation begins

Depreciation begins when the asset is available for use, not when it is first used, paid for or entered in the register. The depreciable amount is cost, or another substituted amount such as a revalued amount, less residual value. It is allocated systematically over the useful life using a method that reflects the pattern of consumption.

• Straight-line depreciation is appropriate when consumption is broadly even.
• A reducing-balance method may fit an asset that produces more benefits in earlier years.
• A units-of-production method may fit output-driven consumption when reliable activity data exists.
• A revenue-based method is not an acceptable proxy for consuming a tangible asset.

Residual value, useful life and depreciation method are reviewed at least at each financial year-end. A change is normally a change in estimate and is applied prospectively under IAS 8. Depreciation ceases when the asset is classified as held for sale or is derecognised. It does not stop merely because an asset becomes idle, unless it is fully depreciated or a units-of-production method produces no charge because there is no production.

Component accounting

Each significant part of an asset with a cost that is significant in relation to the whole is depreciated separately when it has a different useful life or consumption pattern. A building may have a structure, lifts and air-conditioning system. An aircraft may have an airframe and engines. A generator may have an engine that requires replacement much earlier than the remaining equipment.

FGL practical approach: Create component fields in the asset register at acquisition. Waiting until replacement usually produces an unsupported disposal estimate and leaves the old component on the books beside the new one.

Subsequent measurement

After initial recognition, an entity applies either the cost model or the revaluation model as an accounting policy to an entire class of property, plant and equipment. Under the cost model, the asset is carried at cost less accumulated depreciation and impairment. Under the revaluation model, fair value is used when it can be measured reliably, and revaluations must be sufficiently regular to avoid material differences from fair value.

Revaluation accounting is not the same as selectively increasing one attractive asset. The policy applies to the class. Increases usually go to other comprehensive income and a revaluation surplus, subject to reversal rules for prior decreases; decreases usually go to profit or loss, subject to any existing surplus for that asset. Because the entries depend on history, the revaluation file must track movements by asset.

Impairment and derecognition

IAS 16 works with IAS 36 when an asset may be impaired. Physical damage, obsolescence, adverse market changes, poor performance or a decision to restructure may indicate that the carrying amount is not recoverable. Depreciation is not a substitute for an impairment review.

An asset is derecognised on disposal or when no future economic benefits are expected from use or disposal. The difference between net disposal proceeds and carrying amount is recognised in profit or loss. The gain is generally not revenue from ordinary activities unless another Standard requires that presentation for the entity's business model.

Worked example

Kampala Manufacturing Ltd buys a generator. Amounts are shown in UGX millions. The invoice price is 120, import duty is 12, delivery is 4, installation is 5, testing is 3 and the present estimate of the restoration obligation is 6. Training costs 2 and routine maintenance performed costs 1.5.

Calculation	UGX million
Invoice price	120.000
Import duty	12.000
Delivery	4.000
Installation	5.000
Testing	3.000
Initial restoration estimate	6.000
Initial asset cost	150.000
Training and maintenance expensed	3.500

The engine component is assessed at 45 with a three-year useful life. The remaining component is 105, has a seven-year useful life and a residual value of 10. Straight-line depreciation for a full year is 15 for the engine plus 13.571 for the remainder, giving 28.571.

The generator is available for use on 1 October. If the reporting year ends on 31 December and the entity uses daily or monthly time apportionment consistently, three months of depreciation is approximately 7.143. The fact that production starts on 15 October does not change the available-for-use date if the generator was capable of operating on 1 October.

Initial entries

Entry	Account	Amount
Dr	Property plant and equipment	UGX 150.000 million
Cr	Cash payables and restoration provision	UGX 150.000 million
Dr	Training and maintenance expense	UGX 3.500 million
Cr	Cash or payables	UGX 3.500 million

If test output is sold while preparing the generator for use, the proceeds and related cost of that output are recognised in profit or loss under the applicable Standards. They are not netted against the generator's cost.

Practical close process

1. Reconcile additions in the general ledger to approved capital expenditure forms, invoices, goods received records and payment evidence.
2. Confirm location, custodian, asset class, useful life, residual value, depreciation method and available-for-use date.
3. Identify significant components and link replacements or inspections to the component being derecognised.
4. Run the depreciation calculation and investigate assets with zero charges, negative carrying amounts or dates outside the reporting period.
5. Review construction in progress, idle assets and impairment indicators with operations and management.
6. Reconcile the fixed-asset register to the general ledger and retain evidence of review and approval.

Common errors

• Capitalising every cost linked to a project, including training, general overhead and abnormal waste.
• Starting depreciation from the invoice date or payment date instead of the available-for-use date.
• Using one useful life for a complex asset with significant short-life components.
• Capitalising a replacement without removing the old component.
• Stopping depreciation because an asset is temporarily idle.
• Netting test-production proceeds against asset cost after the IAS 16 amendment on proceeds before intended use.
• Treating accounting depreciation as if it automatically determines tax capital allowances.

FGL takeaway

Good IAS 16 accounting follows an evidence chain: expenditure, recognition decision, supported cost, available-for-use date, component structure, depreciation, impairment review and disposal. The fixed-asset register should preserve that chain. When the register contains only an asset name, one cost and one useful life, the accounting may balance while the underlying judgments remain weak.

Authoritative sources

• IFRS Foundation IAS 16 Property Plant and Equipment - recognition, initial cost and current standard history
• IFRS Foundation IAS 16 supporting material - implementation support and relevant agenda decisions
• IFRS Foundation IAS 36 Impairment of Assets - impairment link for property plant and equipment

Related FGL resources

• Accounting and IFRS

Professional use note

This article is educational and does not replace the complete IFRS Accounting Standards, entity-specific accounting policy analysis, valuation work or professional advice. Apply the requirements to the relevant facts and use the current authorised text of the Standards.

Author: Ivan Lwanga
Publication: Finance & Governance Lab
Last reviewed: 24 October 2026
Jurisdiction: Global - IFRS Accounting Standards