IAS 16 (EU-endorsed) / FRS 102 Section 17

Depreciation Calculator
Ireland

IAS 16 depreciation calculator with Ireland-specific regulatory context, Irish Auditing and Accounting Supervisory Authority (IAASA) expectations, and local tax vs accounting depreciation guidance.

IAS 16 · LIVEv2026.04SL

Depreciation schedule, audit-ready.
Not just calculated.

Session
0x1F3F
Asset
FY 2026
Life
inputs.conf
schedule.csv
README.md
01// engagement— IAS 16
02entity_name=
03fy_end=
04year_end_month=
05currency=
07// asset— IAS 16.50-54
08asset_name=
09cost=
10residual_value=
11useful_life_years=yrs
12start_date=
14// method— IAS 16.60-62
15depreciation_method=
20// component_analysis— IAS 16.43-44
21asset_class=
Component-accounting checks (IAS 16.43-44):
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28component.rationale=
Component analysis (IAS 16.43-44)
30// useful_life_rationale— IAS 16.56
Useful-life factors considered (IAS 16.56):
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38life.rationale=
Useful-life rationale (IAS 16.56)
40// method_rationale— IAS 16.60-62A
Method-selection considerations (IAS 16.60):
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48method.rationale=
Method rationale (IAS 16.60-62A)
50// pro_rata_convention— first-year calculation
51convention=
Pro-rata convention · first-year calculation
54// change_in_estimate— IAS 16.51 · IAS 8.32-40
55change_triggered=
Change in estimate (IAS 16.51 · IAS 8.32-40)
62// method_comparison— SL vs DB vs SYD
Enter cost + useful life to compare methods.
Method comparison · SL vs DB vs SYD
70// risk_warnings— rule engine
Enter asset inputs to run risk analysis.
Risk warnings · rule engine
75// disclosure_and_conclusion— IAS 16.73-79
Tick disclosure items addressed in FS note:
76IAS 16.73(a)
77IAS 16.73(b)
78IAS 16.73(c)
79IAS 16.73(d)
80IAS 16.73(e)
81IAS 16.74(a)
82IAS 16.74(c)
83IAS 16.76 / IAS 8.39
84IAS 23.26
85IAS 16.77
87prepared_by=
88reviewed_by=
99conclusion.narrative=
Disclosure + conclusion (IAS 16.73-79)
awaiting input·SL · —·IAS 16
previewwp-depr-2026.pdf
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Enter cost, useful life, and start date to see your IAS 16 working paper render.
Year 1 charge
full year
PRIMARY
Depreciable amount
cost − residual
Effective rate
Straight-Line
Final NBV
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IAS 16 depreciation in Ireland: IAS 16 (EU-endorsed) / FRS 102 Section 17

Ireland applies IAS 16 through EU endorsement for listed companies and their consolidated groups. Non-listed Irish entities typically apply FRS 102 (The Financial Reporting Standard applicable in the UK and Republic of Ireland), where Section 17 Property, Plant and Equipment provides depreciation guidance broadly consistent with IAS 16. Irish tax depreciation (capital allowances) follows the Taxes Consolidation Act 1997, with standard rates of 12.5% straight-line over 8 years for plant and machinery and 4% straight-line over 25 years for industrial buildings.

Regulatory context: Irish Auditing and Accounting Supervisory Authority (IAASA)

The Irish Auditing and Accounting Supervisory Authority (IAASA) supervises public interest entity financial reporting and audit quality. IAASA has included PP&E in its financial statement examinations, focusing on: adequacy of useful life and residual value disclosures, application of component depreciation for material assets, consistency between depreciation policies and the entity's asset replacement patterns, and proper distinction between maintenance expenditure and capital improvements. Chartered Accountants Ireland provides technical guidance through its publications.

Practical guidance for Ireland

Irish tax capital allowances follow a simple structure: plant and machinery at 12.5% straight-line over 8 years, industrial buildings at 4% straight-line over 25 years, motor vehicles (with CO2 thresholds), and specific accelerated allowances for energy-efficient equipment. Like other EU countries, these tax rates should not automatically determine IAS 16 useful lives. Ireland's position as a major multinational hub means many Irish entities are subsidiaries of US or other international groups — group depreciation policies should be adapted for Irish entity-specific conditions rather than applied globally without adjustment.

Audit expectations

Irish auditors follow ISA (Ireland), which is substantively equivalent to ISA with additional Irish ethical and legal requirements. IAASA audit quality inspections have examined the audit of PP&E estimates, focusing on: whether useful lives reflect entity-specific conditions, whether component depreciation is applied where required, whether the annual review is performed and documented, and whether changes in estimates are properly accounted for under IAS 8. The relatively small size of many Irish audit teams means that PP&E procedures may receive less attention than higher-profile areas.

Ireland-specific considerations

Irish-specific considerations include: the Knowledge Development Box (10% tax rate) which may affect how R&D-related assets are viewed but does not change IAS 16 depreciation. The pharmaceutical and medical devices sectors dominate Irish industrial PP&E — manufacturing plants for these sectors have specialised clean room facilities, process equipment, and validation requirements that affect useful life assessments. The Irish agricultural sector (dairy, beef) has specific PP&E considerations similar to the agriculture industry guidance. Commercial property in Ireland (particularly Dublin) has seen significant value fluctuations that may create impairment indicators for owner-occupied property.

Common inspection findings

Tax capital allowance rates (12.5% / 8 years) used as default IAS 16 useful lives

Component depreciation not applied to pharmaceutical manufacturing plant

Annual review of useful lives and residual values not documented

Group depreciation policies applied without adaptation to Irish entity-specific conditions

Impairment indicators not assessed for commercial property with declining market values

Frequently asked questions: Ireland

Can I use the Irish 12.5% rate (8-year) for IAS 16 useful lives?
Not automatically. The 12.5% over 8 years for plant and machinery is a tax capital allowance rate. IAS 16 requires entity-specific useful life estimates. While 8 years may be appropriate for some equipment, it should be supported by the entity's expected use, not simply the tax rate.
How does FRS 102 Section 17 compare to IAS 16 for Irish entities?
FRS 102 Section 17 is broadly consistent with IAS 16. Key differences for depreciation: FRS 102 requires review of residual value and useful life only when indicators of change exist (vs IAS 16's mandatory annual review), and has simpler component depreciation requirements. The methods and principles are substantially the same.
What has IAASA found regarding PP&E compliance?
IAASA has identified: useful lives defaulting to tax capital allowance periods, insufficient component depreciation for pharmaceutical and industrial plant, generic depreciation disclosures, and inadequate documentation of the annual review of estimates. IAASA expects entity-specific justification for all depreciation estimates.
How should pharmaceutical manufacturing PP&E be depreciated in Ireland?
Pharmaceutical manufacturing equipment has useful lives of 7–15 years depending on the type. Clean room facilities: 10–15 years. Process equipment: 8–12 years. Packaging lines: 7–10 years. Regulatory requirements (GMP validation) may affect useful life if equipment becomes non-compliant. Apply component depreciation to multi-component manufacturing lines.
Is there a special regime for energy-efficient equipment in Ireland?
Ireland offers Accelerated Capital Allowances (ACA) for qualifying energy-efficient equipment — 100% first-year tax deduction. This is a tax benefit only and does not affect IAS 16 accounting depreciation. The asset is still depreciated over its useful life in the financial statements.

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