Construction Materials (Cement) Manufacturing in Kenya: A Legal and Regulatory Guide

Kenya’s construction sector continues to expand on the back of state infrastructure programmes, urban housing demand and regional trade opportunities under the African Continental Free Trade Area, and cement remains the backbone input for that growth. Setting up a cement or other construction materials manufacturing plant in Kenya means navigating a framework that cuts across environmental law, mining law, product standards and general industrial licensing. A prospective manufacturer must secure an Environmental Impact Assessment (EIA) licence from the National Environment Management Authority (NEMA), hold the appropriate mineral rights to extract limestone or other raw materials, meet Kenya Bureau of Standards (KEBS) specifications for cement, and comply with air quality and emissions rules once operational. This guide sets out the key legal touchpoints for manufacturing cement or similar construction materials in Kenya.

Licensing a Cement or Construction Materials Manufacturing Plant

Beyond incorporating a company and registering for tax, a cement or construction materials plant sits at the intersection of several licensing regimes. At county level, it will need a trade or single business permit under the applicable County Finance Act. Because a cement factory is a “workplace” for occupational safety purposes, it must be registered with the Directorate of Occupational Safety and Health Services under the Occupational Safety and Health Act before it is occupied or used, with its plant and machinery periodically inspected. Depending on how it is powered and sources water, further approvals may apply, including a self-generation authorisation from the Energy and Petroleum Regulatory Authority and a water abstraction permit from the relevant Water Resources Authority body, and large manufacturers seeking fiscal incentives may engage the Kenya Investment Authority or, within a gazetted zone, the Special Economic Zones Authority. None of these licences can be obtained in isolation from the environmental clearance discussed below, since most licensing authorities expect a valid EIA licence before issuing their own approval.

NEMA Environmental Impact Assessment: Cement as a High Impact Activity

Section 58 of the Environmental Management and Co-ordination Act (EMCA) prohibits any person from implementing a project listed in the Second Schedule to the Act without an EIA licence from NEMA. NEMA’s own guidance situates manufacturing and mining activities within that Second Schedule category, and given the scale of raw material extraction, energy use, dust and emissions involved, a cement or clinker plant is treated as a high impact undertaking requiring a full EIA study rather than the lighter project report route.

Under the Environmental (Impact Assessment and Audit) Regulations, 2003, the proponent must engage a NEMA-licensed EIA expert to prepare the EIA study report, and the process includes mandatory public participation, typically notices in newspapers and on radio and at least three public meetings with affected communities. NEMA then reviews the study and issues an EIA licence subject to conditions addressing dust suppression, quarry rehabilitation, effluent management and noise. Its own fee schedule prices the EIA licence at 0.1 percent of total project cost, subject to a minimum fee. Once operational, the regulations require an initial environmental audit within the first year of commencing operations, with further periodic audits and reports to NEMA thereafter. Operating without a valid licence, or breaching its conditions, exposes the operator to suspension or revocation and to EMCA’s offence provisions.

Mining Licences for Limestone and Other Raw Materials

Most cement manufacturers in Kenya either operate an integrated limestone quarry or contract with a separate operator, and either way the extraction of limestone and associated raw materials such as clay, gypsum and pozzolanic ash is governed by the Mining Act, 2016. The Act creates a tiered system of mineral rights for large scale operations, comprising a reconnaissance licence, a prospecting licence, a retention licence and, ultimately, a mining licence, with simplified prospecting and mining permits for small scale and artisanal operators. Applications are made to the Cabinet Secretary responsible for mining, in practice through the Mining Cadastre Portal, and a mining licence applicant must demonstrate environmental compliance, including the EIA licence described above, and in many cases conclude a community development agreement with the host community. Whether a given limestone deposit falls under the Act’s First Schedule as a construction mineral or a separate industrial mineral can affect the licensing track and royalty treatment, and this should be confirmed with the Ministry of Mining before an application is lodged, since the precise current schedule entry could not be verified for this guide. Surface access, landowner compensation and compliance with physical planning law typically run in parallel with the mineral rights process.

KEBS Standards and Certification for Cement

The Kenya Bureau of Standards is established under the Standards Act (Cap 496) and is mandated to declare Kenya Standards and administer the Standardisation Mark scheme, recognised in the market as the Diamond Mark of Quality. Cement produced or sold in Kenya must conform to the applicable Kenya Standard, principally KS EAS 18-1, which sets out the composition, specifications and conformity criteria for common cements and is Kenya’s adoption of the East African Standard, alongside related standards such as KS 2168-1 for masonry cement. A manufacturer must apply to KEBS for a permit to use the Standardisation Mark, involving inspection of production and quality control systems, sampling and testing at accredited laboratories, and ongoing surveillance. Placing cement on the market without the mark, or that fails its declared strength class and composition limits, exposes a manufacturer to enforcement under the Standards Act and civil liability where defective cement causes structural failure.

Air Quality and Emissions Compliance

Cement kilns, clinker cooling and grinding operations are recognised sources of particulate matter, sulphur oxides, nitrogen oxides, carbon monoxide and, depending on fuel and inputs, dioxins and furans. The Environmental Management and Co-ordination (Air Quality) Regulations, 2014 identify cement plants as a scheduled controlled facility. Regulation 14(1) prohibits anyone operating a controlled facility from emitting a pollutant listed under the regulations from any point source without a valid emission licence from NEMA. The schedules set specific emission limits for cement plants covering opacity, particulate matter and gaseous pollutants, and operators meeting the prescribed thresholds must install continuous emission monitoring systems, keep quarterly monitoring records and submit annual emissions reports. These obligations sit alongside, not instead of, the operator’s EIA licence conditions and audits. Failure to hold a valid emission licence, or breach of its conditions, can lead to suspension, closure orders and prosecution under EMCA.