Investment Allowance and Accelerated Depreciation in Kenya: What Commercial Property Owners Need to Know

By ${getAuthor('legal')} | November 25, 2025 | 9 min read

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Kenya's Income Tax Act provides explicit allowances for commercial property owners that reduce taxable income materially in the early years of ownership. The Industrial Building Allowance deducts 10% of qualifying building cost annually. Plant and machinery deductions reduce taxable income by an additional 10%–37.5% per year depending on asset class. Combined, these deductions can reduce effective tax liability in years one through ten of ownership by 20%–40% relative to a purely income-based assessment. Most commercial property owners in Kenya either do not know these allowances exist or do not have a CPA who is claiming them correctly.

The Industrial Building Allowance: What It Covers

The Industrial Building Allowance (IBA) is a capital allowance under the Third Schedule of the Income Tax Act. It applies to the cost of constructing or purchasing qualifying commercial buildings: hotels, factories, warehouses, and commercial office buildings used in income-producing activities.

The rate is 10% per annum on the original construction or acquisition cost of the qualifying structure — not the land value (which does not qualify), not the current market value, but the actual historical cost of building the qualifying structure. A commercial building constructed at KES 50M generates IBA of KES 5M per annum for 10 years — reducing taxable income by KES 5M annually if the property produces sufficient rental income to absorb the deduction.

Residential buildings — apartments, houses — do not qualify for IBA under current Kenya tax law. This is a material distinction: investors holding commercial property under a company structure can claim IBA; investors holding residential property cannot access equivalent structural allowances.

Plant and Machinery: The Additional Layer of Deductions

Modern commercial buildings contain significant qualifying plant and machinery: backup generators, HVAC systems, elevators, electrical distribution systems, plumbing infrastructure, and fire suppression systems. These are not part of the qualifying building structure for IBA purposes — but they qualify separately for wear-and-tear deductions at accelerated rates.

Under Kenya's Third Schedule, generators qualify for wear-and-tear at 37.5% per annum (diminishing balance). HVAC systems at 10%–12.5%. Elevators at 10%. Electrical installations at 10%–12.5%. A large commercial building with KES 8M in qualifying plant and machinery generates first-year wear-and-tear deductions of KES 1.5M–2.5M — before accounting for IBA on the structure.

The Combined Tax Effect: A Worked Example

A commercial office building in Upper Hill: construction cost KES 80M, qualifying plant and machinery KES 8M, gross rental income KES 9.6M per annum, operating expenses KES 2.4M per annum.

Without allowances: taxable income = KES 7.2M, tax at 30% = KES 2.16M per annum.

With allowances: IBA on KES 80M building = KES 8.0M; plant and machinery wear-and-tear (blended 15%) = KES 1.2M; total deductions = KES 9.2M. Against KES 7.2M net income, the deductions exceed income in year one — creating a tax loss of KES 2.0M that can be carried forward to reduce taxable income in year two. Tax liability: zero in year one.

The present value of the tax savings over the full allowance period — correctly discounted — materially improves investment economics for commercial property held in corporate ownership. This is why institutional investors in Kenya's commercial property sector structure acquisitions through limited companies rather than personal name.

Frequently Asked Questions

What is the Industrial Building Allowance and who qualifies?

The IBA provides a 10% per annum deduction on the cost of constructing or purchasing a qualifying industrial or commercial building. Hotels, factories, warehouses, and commercial offices qualify. Residential property does not. The allowance is calculated on original construction cost, not market value.

What wear-and-tear allowances can commercial property owners in Kenya claim?

Plant and machinery installed in commercial buildings — generators, HVAC, elevators, electrical installations — qualify for wear-and-tear deductions at 10%–37.5% per annum depending on asset class under the Third Schedule of the Income Tax Act. These are separate from and in addition to IBA.

Investment allowances and wear-and-tear deductions are not loopholes — they are explicit tax policy designed to incentivise commercial building investment in Kenya. Claiming them correctly is not aggressive tax planning; it is compliance with the legislation as written. Not claiming them is leaving real money with KRA.