Engineering Expertise You Can Rely On
At Courous, we provide specialist civil engineering consultancy with a strong focus on drainage design, infrastructure planning, and environmental solutions. With extensive experience supporting complex infrastructure and development projects, we help clients deliver robust, practical, and compliant engineering solutions.
Our work is built on a foundation of technical expertise, collaboration, and reliability. We work closely with developers, contractors, consultants, and public authorities to ensure that every project benefits from sound engineering judgement and well-considered design.
Through our network of trusted partners and industry specialists, we are able to support projects from early feasibility and concept design through to detailed design and technical approval. Many of the companies we collaborate with rely on our expertise to develop effective drainage strategies, manage environmental constraints, and ensure infrastructure schemes are designed to the highest professional standards.
At Courous, our approach is simple: deliver clear engineering solutions that work in the real world, solutions that balance technical excellence, environmental responsibility, and long-term performance.
Services
Drainage Design
We deliver comprehensive foul and surface water drainage design solutions for developments and strategic road networks. Our work includes the detailed design of drainage pipe layouts, ACO drains, drainage channels, and land drainage pipe systems to ensure efficient water management and long-term sustainability.


Flooding assessment and mitigation
We support clients in navigating planning regulations and managing water-related risks through robust assessments and design of mitigation measures, including soakaways, attenuation systems, and ponds.
Pollution mitigation design
We design innovative systems that protect the environment while meeting CIRIA, DMRB, and EA guidelines. Our designs incorporate sustainable surface water drainage and pollution control features tailored to each project.




Our Clints
Some of the companies we work with use our expertise.

Who We Work With
At Courous, we deliver specialist drainage and SuDS design services across diverse sectors.
Sectors:
Homeowners & Landowners
Architects & Designers
Local Authorities
Developers & Contractors
Courous is an engineering company built on the expertise of seasoned professionals. We deliver practical, sustainable, and cost-effective design solutions in:
Drainage pipework, foul drainage, and flood mitigation
Pollution control in line with industry standards (DMRB, CIRIA, HS2, EN, BS, SFA)
Local insight with a national reach
End-to-end design support from concept through to planning and approval
Get in touch to discuss how we can support your project.
Get In Touch
Courous, Suite 7a, The Globe Centre, Accrington, BB5 0RE
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