Capital Allowances on Assets Under Construction in Singapore

Capital Allowances on Assets Under Construction in Singapore 

Businesses in Singapore often invest heavily in projects that are still being built, such as factories, warehouses, production facilities, office fit-outs, and specialised machinery installations. A common tax question is whether capital allowances can be claimed while these assets are still under construction. Understanding the tax treatment of construction-in-progress assets is important for proper financial planning and corporate tax compliance.  

What Are Capital Allowances? 

In Singapore, businesses cannot claim tax deductions for accounting depreciation. Instead, companies may claim capital allowances on qualifying fixed assets used for business operations. These allowances help reduce taxable income by spreading the cost of assets over a prescribed period.  Qualifying assets generally include plant and machinery such as:

• Manufacturing equipment
• Office equipment and computers
• Commercial vehicles
• Electrical systems and machinery
• Furniture and fittings used for business operations

Capital allowances are governed by the Singapore Income Tax Act and administered by the Inland Revenue Authority of Singapore.   

What Are Assets Under Construction? 

Assets under construction refer to capital projects that are not yet completed or ready for operational use. These are commonly recorded as “construction work-in-progress” or “capital work-in-progress” in financial statements. Examples include: 

• New factories under development
• Buildings being renovated for operational use
• Machinery being installed and tested
• Large infrastructure projects
• Production lines not yet commissioned

During the construction phase, expenses are accumulated until the asset becomes operational.

Can Capital Allowances Be Claimed Before Completion?

Generally, capital allowances are claimable only when the qualifying asset is in use or ready for use in the business. If the asset is still under construction and not operational, the claim is typically deferred until the asset is completed and available for business activities.  This means:

• Construction costs incurred during development are capitalised
• No capital allowance is available during the construction phase
• Claims usually begin once the asset is commissioned or put into use

The timing of recognition is important because it affects taxable profits and cash flow planning.  

Qualifying Expenditure for Capital Allowances

Not every construction-related cost qualifies for capital allowances. Businesses must distinguish between qualifying plant and machinery expenditure and non-qualifying building costs. Qualifying expenditure may include:

• Production machinery
• Electrical installations linked to machinery
• Automation systems
• Air-conditioning systems serving operational equipment
• Security and alarm systems
• Commercial vehicles and specialised equipment

Non-qualifying expenditure may include:

• Structural building works
• Land acquisition costs
• Decorative renovations
• General building structures

The distinction between plant and structure is often a complex tax issue in Singapore. Recent tax disputes have highlighted the importance of correctly classifying qualifying assets.   

Different Methods of Claiming Capital Allowances

Singapore businesses may claim capital allowances through several approved methods: 1-Year Write-Off Certain assets such as computers and prescribed automation equipment may qualify for a full write-off in one year.  3-Year Write-Off Businesses can elect to write off qualifying assets evenly over three years. Prescribed Working Life Method Assets may also be written off over 6, 12, or 16 years depending on their prescribed useful life.  Selecting the appropriate method can significantly impact tax efficiency and cash flow management. Land Intensification Allowance (LIA) Certain industrial and logistics projects may qualify for the Land Intensification Allowance scheme. This incentive supports businesses investing in qualifying buildings and structures to improve land productivity.  Eligible businesses may enjoy:

• Initial allowance claims
• Annual allowance deductions
• Enhanced tax savings on qualifying developments

This incentive is particularly relevant for manufacturing and logistics companies undertaking major construction projects.  

Common Challenges Businesses Face

Companies frequently encounter issues such as:

• Misclassification of capital and revenue expenditure
• Incorrect identification of qualifying assets
• Delayed recognition of capital allowances
• Incomplete supporting documentation
• Errors in fixed asset registers

Without proper tax planning, businesses may underclaim allowances or face compliance risks during tax reviews.  

Why Professional Accounting Support Matters

Capital allowance rules in Singapore can be technical, especially for large-scale construction projects and specialised assets. Professional accounting support helps businesses:

• Identify qualifying expenditure accurately
• Optimise capital allowance claims
• Maintain proper documentation
• Ensure compliance with IRAS regulations
• Improve overall tax efficiency

Engaging experienced accountants also reduces the risk of errors in corporate tax filings and future tax disputes.  

Find WLP for Capital Allowance Advisory

If your business is managing construction projects or acquiring major business assets, professional guidance can help maximise your tax benefits while maintaining compliance. WLP provides accounting, tax advisory, corporate tax filing, bookkeeping, and capital allowance support for businesses in Singapore. Our team assists companies in identifying qualifying assets, preparing capital allowance schedules, and navigating complex tax regulations related to assets under construction. Whether you are developing a manufacturing facility, upgrading office infrastructure, or investing in plant and machinery, WLP can help structure your claims effectively.  

Conclusion

Capital allowances remain an important tax relief mechanism for businesses investing in long-term assets in Singapore. However, assets under construction require careful assessment because allowances are generally claimable only when the asset becomes operational. Understanding which expenditures qualify, selecting the correct write-off method, and maintaining proper records are essential for effective tax planning. Businesses undertaking major projects should seek professional advice to ensure compliance and maximise available tax deductions.