Evaluating Income-Producing Commercial Property in Nairobi: A Research Paper on Occupancy, Yields and Asset-Level Risk

By Fredrick Ndwiga | 2026-10-14 | 22 min read

Nairobi's office market is recovering unevenly. Modern buildings are filling, older stock is not, and the headline yield tells an investor less than the tenancy schedule does.

Abstract

This research paper examines the investment case for income-producing commercial property in Nairobi, Kenya, as of October 2026. The Nairobi office market presents an analytical puzzle: Grade A occupancy has risen materially, from 81.5% in December 2025 to 84.8% in June 2026, yet prime rents have remained flat at approximately US$13 per square metre per month since June 2022, and prime yields have stagnated at 8.5% for three years. Meanwhile, the 91-day Treasury bill rate was 8.778% as of 5 October 2026, meaning prime office yields carry no visible premium over short-dated government paper. This paper applies the six-lens cross-border framework (access and tenure, income quality, capital and financing, currency and repatriation, transaction friction, and operating risk) to published Kenyan market data. We find that the market is polarising between modern Grade A stock and ageing secondary buildings; that acquisition costs and occupancy shortfalls materially reduce effective yields; that the average commercial bank lending rate of 14.34% (August 2026) implies negative leverage for debt-funded purchases at prevailing yields; and that the substantial development pipeline of approximately 2.5 million square feet (due 2027–2028) could limit rental recovery in the segments it targets. We conclude that market-level averages cannot substitute for asset-level underwriting, and we provide a practical diligence checklist for investors.

Keywords: Nairobi commercial property, office market, yield analysis, occupancy, asset-level risk, Kenya real estate

1. Introduction

1.1 Research Question

How should an investor evaluate an income-producing commercial building in Nairobi in October 2026? This question is more complex than it appears. The market is sending mixed signals: occupancy is improving, but rents and yields are flat. Supply overhang is shrinking, but a substantial pipeline looms. Interest rates have eased from recent peaks, but borrowing costs remain well above property yields. The headline data is insufficient for an investment decision. This paper provides a framework for interpretation.

1.2 Structure

Section 2 reviews the Nairobi office market literature. Section 3 describes the methodology and data sources. Section 4 presents the six-lens analysis. Section 5 presents findings. Section 6 discusses implications for different investor types. Section 7 addresses limitations. Section 8 concludes.

2. Literature Review and Market Context

2.1 The Nairobi Office Market: A Decade of Oversupply

Nairobi has carried an oversupply of office space for several years. Cytonn Research estimated that the Nairobi Metropolitan Area ended 2025 with an oversupply of 3.4 million square feet, down from 5.7 million a year earlier, and vacancy of 15.3%, down from 19.3% (The Standard, May 2026). The sharp decline marks the greatest improvement in years after nearly a decade of persistent oversupply driven by aggressive construction and weak tenant absorption. Knight Frank's first-half 2026 Africa office dashboard describes a polarised market between well-managed Grade A buildings and ageing secondary stock.

The improvement is not uniform. Cytonn reported that in H1 2026, commercial office occupancy showed an improvement in performance by 2.2 percentage points to 83.4% from 80.9% achieved in H1 2025. Average rental yields showed resilience with a 0.3 percentage-point increase. Submarket performance varied: Westlands and Kilimani emerged as top performers, achieving average rental yields of 9.8% and 9.3% respectively in Q1 2026, while Thika Road was the least performing node with an average yield of 7.7%, 0.8 percentage points below the market average of 8.5%.

2.2 The Yield Puzzle

Knight Frank's first-half 2026 review, as reported by Business Daily, put the Nairobi prime office yield at 8.5%, unchanged for about three years. The average rental price of a Grade A office stood at US$13 (KSh 1,684) per square metre in June 2026, having remained unchanged since June 2022. Prime rents and yields have been flat despite rising occupancy. This is the analytical puzzle at the centre of this paper: why have rents and yields not responded to improving occupancy?

Knight Frank's analysis suggests two factors. First, the oversupply of lower-grade offices has kept rental prices flat at the market level. Second, tenants retain pricing leverage, and negotiations increasingly turn on cost, efficiency, and ESG credentials rather than headline rent. As Knight Frank Kenya CEO Mark Dunford noted, "The flight to quality is undeniable, with prime office spaces featuring environmental, social and governance credentials and modern amenities continuing to attract tenants while secondary stock struggles."

2.3 Global Context for Office Markets

Nairobi's office market dynamics should be understood against a broader global backdrop. JLL's Global Real Estate Perspective for August 2026 reports that global office leasing rose to a new post-pandemic high, with the U.S. leading activity. The global vacancy rate declined further during the quarter to 16.5%. New deliveries remain near record lows in the U.S., with completions set to fall by 60% this year. In Europe, new supply is expected to be at the lowest level since 2011, while Japan, Singapore and South Korea in Asia Pacific are also seeing tightening conditions[reference:27].

McKinsey's 2026 research identifies a clear flight to quality in the office sector, noting that the recovery has been highly selective. Activity was concentrated in higher-quality, well-located assets, as Class A deal volume increased 34% year-over-year in the United States, reflecting a preference for assets perceived as more resilient in a structurally evolving demand environment. As performance remains highly asset-specific, leading occupiers are redesigning the workplace to support collaboration and hybrid work[reference:28].

This global pattern—polarisation between prime and secondary stock, with asset selection outweighing market selection—is directly relevant to Nairobi. McKinsey's finding that asset selection accounted for approximately 70% of performance differentials in 2025 (relative to country-specific benchmarks), materially outweighing the effect of country- or property-type allocation decisions, suggests that the Nairobi market's internal dispersion is more analytically significant than its overall market-level metrics[reference:29].

3. Methodology and Data Sources

3.1 Research Design

This paper applies the six-lens framework developed in Murivest's cross-market research to the Nairobi market. The framework provides a structured approach to evaluation: (1) access and tenure, (2) income quality, (3) capital and financing, (4) currency and repatriation, (5) transaction friction and liquidity, and (6) operating and execution risk.

3.2 Data Sources

Limitation: The market data is drawn from secondary reports, not the full publications. The Knight Frank dashboard is available directly, but the underlying definitions of yield and the basis of rents should be confirmed in the original reports. Legal and tax rates are summarised from a 2023 practice guide and practitioner commentary.

4. Six-Lens Analysis

4.1 Lens 1: Access and Tenure

Under Article 65 of the Kenyan Constitution, non-citizens may hold land on leasehold of no more than 99 years, and freehold interests held by foreigners are converted to leasehold. A trust cannot be used to circumvent the rule. In the illustrative tenure arithmetic from Murivest's framework paper, a 99-year right costs almost nothing in return terms compared with perpetual ownership (8.00% IRR versus 8.00%), so the constraint is more important for title diligence than for pricing.

Stamp duty is paid by the buyer at 4% in urban areas and 2% in rural areas, and capital gains tax of 15% of net gain is paid by the seller. These rates come from a 2023 practice guide and secondary summaries. Finance legislation can change them, so they should be reconfirmed at the time of a transaction.

4.2 Lens 2: Income Quality

Market averages do not replace a tenancy schedule. For any Nairobi building, the following must be established before pricing:

The importance of income quality is reinforced by global research. CBRE's 2026 Global Investor Intentions Survey found that value-add and core strategies were the most preferred globally, with investors planning to buy and sell more assets than last year. The survey, conducted in Q4 2025, captured the views of over 1,400 investors across North America, Europe, Asia-Pacific and Latin America[reference:30]. Knight Frank's Active Capital Survey found that offices have re-emerged as the most targeted asset class (69% of investors), while over half (56%) of respondents are planning to invest in retail assets, indicating opportunities as the sector emerges from its right-sizing phase[reference:31].

4.3 Lens 3: Capital and Financing

On 7 October 2026 the Central Bank of Kenya's Monetary Policy Committee held the Central Bank Rate at 8.75%. The Bank's published key rates show inflation of 6.8% for September 2026, a 91-day Treasury bill rate of 8.778% on 5 October 2026 and an average commercial bank lending rate of 14.34% for August 2026. Longer-dated government bonds were reported by Business Daily at 11% to 13% during the first half of the year.

Two points follow. First, the gap between the average lending rate and a prime office yield implies negative leverage for a debt-funded purchase at those averages: borrowing at 14.34% to buy an asset yielding 8.5% reduces the return on equity unless rental or capital growth is strong. The lending rate is a system-wide average rather than a commercial mortgage quote, so the test should be rerun with actual indicative terms. Second, real returns matter: with inflation at 6.8%, a flat rent loses purchasing power each year unless the lease escalates.

Knight Frank's Active Capital Survey identified interest rates as the top-rated factor driving investment decisions, significantly outranking most other themes, including geopolitical risk. Only 12% of those surveyed expect to be net sellers of real estate, teeing up an imbalance between capital seeking deployment and stock availability[reference:32]. In the context of Nairobi, the elevated cost of local debt relative to property yields is a material constraint on the investment case for leveraged buyers.

4.4 Lens 4: Currency

The Kenyan shilling traded at 129.89 to the US dollar on 7 October 2026, compared with 129.24 on 9 October 2025, a move of about 0.5%. That is a stable year. It says little about a hold of ten years. An investor should check the currency of each lease, since Knight Frank reports rents in US dollars while individual leases may be denominated differently. Repatriation of sale proceeds is reported as permitted subject to conditions, and the conditions should be confirmed with counsel.

4.5 Lens 5: Transaction Friction

A buyer in Kenya pays stamp duty of 4% in urban areas. A foreign seller faces capital gains tax of 15% of net gain. These frictions reduce net returns and must be modelled in the acquisition and exit phases of the underwriting.

4.6 Lens 6: Operating Risk

Operating risk includes building-level issues that never appear in a market report: deferred maintenance, service-charge shortfalls, planning compliance, and the quality of the managing agent. In a polarised market, where tenants are actively shifting from older stock to modern Grade A buildings, operating quality is a determinant of occupancy and rental resilience. The flight to quality documented by Knight Frank is, in part, a flight from operational inadequacy.

McKinsey's research emphasises that operational levers—enhanced tenant experiences, energy retrofits, and AI-driven asset management—now lead returns. Leading capital allocators are acquiring embedded property management, property development, and asset-level execution capabilities to direct property-level operations and create value[reference:33]. In Nairobi, where the gap between Grade A and secondary stock is widening, operational capability is not a peripheral consideration but a core determinant of investment performance.

5. Findings

5.1 Finding 1: The Market Is Polarising, Not Recovering Uniformly

Knight Frank reported average Grade A office occupancy in Nairobi rising from 81.5% in December 2025 to 84.8% in June 2026, while Cytonn reported metropolitan-area vacancy across all grades of 15.3% at the end of 2025. These figures measure different things: Cytonn's is metropolitan-wide vacancy across grades; Knight Frank's is Grade A occupancy. They should not be netted against each other. The improvement is concentrated in modern, well-managed buildings. Older stock continues to face elevated vacancy and relies on rent concessions to remain competitive.

5.2 Finding 2: Prime Rents and Yields Have Been Flat

Grade A asking rents were reported at about US$13 per square metre per month, unchanged since June 2022, with the prime yield reported at 8.5% for three years. Rental growth has not materialised despite rising occupancy. This suggests that the market has not yet reached a point of rental pricing power for landlords, and that tenants retain negotiating leverage—particularly in secondary buildings.

5.3 Finding 3: The Yield Sits at the Risk-Free Rate

The 91-day Treasury bill was 8.778% on 5 October 2026, so a prime office yield of 8.5% carries no visible premium over short-dated government paper. This does not make property uninvestable: rents can grow, capital values can change, and the two instruments differ in risk and liquidity. It means the return must come from something other than the opening yield, and the investor should be able to say what.

5.4 Finding 4: Acquisition Costs and Occupancy Move the Outcome Materially

In the illustrative scenarios below, an asset underwritten at 8.5% delivers between about 6.3% and 8.2% on total acquisition cost depending on occupancy and achieved rent.

All three cases fall below the 91-day Treasury bill rate of 8.778%. The scenarios are illustrative arithmetic, not forecasts, and ignore landlord operating costs and service-charge shortfalls.

5.5 Finding 5: The Pipeline Represents a Medium-Term Risk

Despite the improving figures, Nairobi's office pipeline remains substantial, with an estimated 2.5 million square feet under development expected to enter the market between 2027 and 2028. This looming supply wave raises questions over whether the recovery can hold or whether developers risk recreating the same oversupply cycle that suppressed rents and occupancy for years. The pipeline's impact will depend on its location and grade. If it targets undersupplied submarkets such as Westlands and Upper Hill, absorption may be manageable. If it overlaps with existing vacant stock, it may prolong the tenant-friendly market.

5.6 Finding 6: Submarket Performance Varies Significantly

Cytonn data for Q1 2026 shows that Westlands and Kilimani achieved average rental yields of 9.8% and 9.3% respectively, compared to the market average of 8.5%. Thika Road was the least performing node at 7.7%. This dispersion means that market-level yield figures are of limited use for asset-specific decisions. The location of the asset within Nairobi matters as much as the market-level average.

5.7 Finding 7: Asset Selection Outweighs Market Selection

McKinsey's finding that asset selection accounted for approximately 70% of performance differentials in 2025 has direct implications for Nairobi. The dispersion between submarkets (Westlands at 9.8% versus Thika Road at 7.7%) and between building grades (Grade A occupancy at 84.8% versus metro-area vacancy at 15.3%) means that choosing the right asset within Nairobi may matter more than choosing Nairobi over another market. This aligns with the global pattern observed in office markets: the recovery is selective, and investors who focus on asset-level fundamentals outperform those who rely on market-level exposure.

6. Discussion and Implications

6.1 Implications for Different Investor Types

The evidence does not support a blanket view that Nairobi commercial property is attractive or unattractive. It supports a narrower one.

Core income investors seeking stable, long-term income should prioritise Grade A buildings in undersupplied locations with strong tenant covenants and long WAULTs. They should verify that the building's operational quality matches the standards that tenants are demanding, and that the service-charge structure is sustainable. They should be prepared for flat rents in the near term and should not underwrite rental growth that has not yet materialised.

Value-add investors may find opportunities in older stock that requires repositioning. The flight to quality means that secondary buildings are available at discounts, but the cost of upgrading them to Grade A standards—and the risk of doing so in a market with a substantial pipeline—must be carefully modelled.

Debt-funded investors face a particularly difficult case. The average commercial bank lending rate of 14.34% exceeds the prime office yield of 8.5%. Negative leverage means that borrowing reduces the return on equity unless rental or capital growth is strong. Investors using debt should test the leverage case with actual indicative terms and should stress-test against rental growth assumptions.

Long-horizon equity investors with a view on the supply pipeline and a mandate that permits longer hold periods may find value in well-located assets where the current yield understates the long-term income potential. But the case must be built on evidence, not assumption.

6.2 Implications for Advisory Practice

The practical conclusion for an investor is to underwrite the building, not the market. Market-level figures provide context, but they do not determine the return on a specific asset. The tenancy schedule, lease terms, building quality, and legal position decide the final answer.

6.3 The Global Capital Cycle and Nairobi

The global commercial real estate capital cycle is turning. JLL's research indicates that a powerful new liquidity cycle is underway, driven by a hyper-competitive debt market and expanding investor bidding pools. Global direct investment carried strong momentum into the second quarter with volumes rising by 28% year-over-year. Asia Pacific posted its most active second quarter in five years, with investment up by 38%[reference:34].

For Nairobi, this global backdrop presents both opportunity and risk. On one hand, increased global capital seeking deployment may raise interest in well-located emerging market assets. On the other, the competition for capital and the preference for assets in transparent, liquid markets—as evidenced by Knight Frank's finding that the UK and Germany are the top destinations for global capital—may mean that frontier markets like Kenya struggle to attract institutional allocations without compelling risk-adjusted returns[reference:35].

7. Limitations

The market data in this article is drawn from secondary reports of Knight Frank and Cytonn research, not the full publications. The Knight Frank dashboard is available directly, but the underlying definitions of yield and the basis of rents should be confirmed in the original reports. Legal and tax rates are summarised from a 2023 practice guide and practitioner commentary. The scenarios are illustrative. We have not examined individual buildings, and nothing here is a view on any specific property.

8. Conclusion

Nairobi's office recovery is real but narrow, concentrated in modern stock, while headline yields have not risen to compensate for the cost of money. The practical conclusion for an investor is to underwrite the building, not the market: define the yield, adjust for acquisition costs and achieved rent, test the financing, confirm the tenure and tax position, and verify the tenancy schedule before committing capital.

Murivest Group Ltd is a Nairobi-based commercial real estate advisory firm, established in 2025, working on a mandate basis. If you are evaluating a Nairobi commercial property requirement, you can request an institutional briefing, review our advisory process, or write to capital@murivest.com. We provide advisory services only and do not pool capital.

References

• Business Daily. (2026, September 9). Nairobi prime office rental yield stuck at 8.5pc on higher supply. businessdailyafrica.com
• CBRE. (2026). 2026 Global Investor Intentions Survey. cbre.com
• Central Bank of Kenya. (2026, October 9). Key rates and weekly bulletin. centralbank.go.ke
• Chambers. (2023). Real Estate 2023: Kenya. practiceguides.chambers.com
• CM Advocates. Trusts and family investment structures for foreign owners of Kenyan property. cmadvocates.com
• Cytonn Research. (2026). Nairobi Metropolitan Area Commercial Office Report. cytonn.com
• JLL. (2026, August 3). Global Real Estate Perspective, August 2026. jll.cn
• Knight Frank. (2026). Africa Offices Market Dashboard, H1 2026. content.knightfrank.com
• Knight Frank. (2026, January 20). Global investors to deploy $144bn into commercial real estate in 2026. knightfrank.co.uk
• McKinsey & Company. (2026). Real estate builds on new terrain. McKinsey Global Private Markets Report 2026. mckinsey.com
• The Standard. (2026, May 7). Why Nairobi's empty office problem is shrinking. standardmedia.co.ke
• The Standard. (2026, September 9). Nairobi tops African peers in robust prime office performance. standardmedia.co.ke
• Wang, R. (2024). Determinants of Cross-Border Real Estate Investment. PhD thesis, University of Manchester. research.manchester.ac.uk

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