The Nairobi Expressway five years on: what it actually changed

Five years after the Nairobi Expressway opened in 2022, the picture is clearer than the hype that surrounded it. Some of what was promised landed. Some of what was promised did not. The expressway has materially reshaped commuter behaviour and certain micro-markets, while leaving large parts of the city untouched. Here is the honest audit.

What actually changed

• Mlolongo to Westlands cut from 60 to 90 minutes (in peak hour) to 12 to 18 minutes
• Airport (JKIA) to Westlands cut from 50 to 80 minutes to 15 to 20 minutes
• Mombasa Road property values benefited materially in the first 24 months
• Eastern corridor (Syokimau, Athi River, Mlolongo) became viable for white collar commuters working in Westlands and Upper Hill
• Westlands further consolidated as Nairobi’s premium business district

The winners

Syokimau and Mlolongo

These suburbs went from quasi-dormitory towns to legitimate commuter neighbourhoods. Apartment prices have firmed materially. Rental demand has grown as professionals working in Westlands accept the expressway-assisted commute. Detail in our emerging suburbs piece.

South C and South B

Direct expressway access put these suburbs within 10 to 15 minutes of Westlands and the airport. Modest premium realised on the older stock; new apartment supply has come into the market.

Airport corridor commercial

Logistics and warehouse zones along Mombasa Road benefited from improved connectivity. Industrial land prices firmed.

Westlands itself

Westlands became more accessible to senior professionals living in eastern corridor suburbs. The expressway is part of the story behind Westlands continuing to consolidate as the city’s premium business district.

The relative losers

• Lavington and Kileleshwa lost some of their location premium to Westlands as the expressway brought eastern commuters within easy Westlands reach
• Some Mombasa Road business centres bypassed by people who used to stop and now drive past
• Surface road businesses along Mombasa Road (restaurants, fuel stations, retail) lost drive-by traffic

What did not change

• Internal Nairobi traffic at peak hour remains heavy. The expressway is a highway, not a city solution
• School-run traffic in residential neighbourhoods unchanged
• Western suburbs (Karen, Runda, Lower Kabete) saw little direct benefit
• Northern corridor (Thika Road, Kiambu Road) is on its own infrastructure cycle
• Toll cost remains a real barrier for mass-market commuters; the expressway is not equally accessible to all incomes

Property impact in numbers

• Syokimau apartment prices: roughly +25 to +40 percent over 5 years
• Mlolongo apartment prices: roughly +15 to +30 percent over 5 years
• South C apartment prices: roughly +10 to +20 percent over 5 years
• Westlands apartment prices: roughly +20 to +50 percent over 5 years (multiple drivers including but not limited to expressway)
• Karen and Runda standalone home prices: roughly flat to +10 percent over 5 years in real terms

What the next five years look like

1. Eastern corridor continues to develop as mainstream commuter geography
2. Northern Bypass and Western Bypass spurs shift the property thesis north
3. Tatu City and Konza on their own multi decade trajectory (covered in our smart cities piece)
4. Mass transit (BRT, longer-term LRT) becomes the next chapter of Nairobi transport infrastructure

Infrastructure rarely transforms property markets on its own. It accelerates the markets that were already going somewhere and quietly bypasses the ones that were not.

How Goldstay handles it

For sourcing clients we factor expressway access into suburb selection where it is relevant, while continuing to weight school catchment, security, build quality and compound governance more heavily. The expressway helps, but it is not a property thesis on its own.

Read also our pieces on expressway effect on prices and Adani and SGR impact.