Solving Complex Flood Risk and Drainage Challenges for a Changing Built Environment.
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Years Industry Experience
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Construction Value Supported
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Projects Delivered
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Project Coverage
ABOUT US
Drainage Design & Flood Risk Specialists
Courous is a civil engineering and drainage consultancy specialising in flood risk assessments, sustainable surface water management, drainage design, and highway drainage across the UK. We work with developers, architects, planning consultants, contractors and government organisations to provide clear, reliable engineering solutions that keep projects moving.
- Our Vision
To be the trusted engineering partner for resilient, sustainable drainage and infrastructure solutions across the UK.
- Our Mission
To deliver practical, reliable and sustainable engineering solutions that help clients overcome drainage, flood risk and planning challenges.
OUR EXPERTIES
Comprehensive Services We Provide
At Courous, our Chartered drainage consultants offer a diverse range of civil engineering and drainage solutions. From the initial planning and design to real-time assistance during the construction process, the different services we offer are:
WHY CHOOSE US
Drainage Experts, You Can Count On
Courous is a specialist civil engineering and drainage consultancy delivering practical, reliable solutions for flood risk, drainage design and infrastructure projects across the UK.
Quick Response
Our drainage consultants deliver timely designs and reports.
Practical Solutions
All our designs are easy to implement and highly practical.
Diverse Experience
We have experience working with national and local authorities.
Detailed Reporting
Detailed hydraulic analysis and water management reporting.
Trusted By
Developers
Architects
Authorities
Contractors
Our Clients
FEATURED PROJECTS
Our Portfolio of Successfully Completed Projects
Explore our portfolio of recently completed projects, managed and executed by our experienced and professional drainage strategy consultants.
HOW WE WORK
Our Structured Drainage Design Approach
At Courous, our specialists make the entire design and execution process simple and stress-free for you. We follow a detail-oriented process to ensure your peace of mind and the success of the project.
STEP 1
Project Understanding
We Review your project, site constraints and planning requirements to define the scope and objectives.
STEP 2
Strategy & Assessment
We assess flood risk and drainage constraints o develop a sustainable drainage strategy.
STEP 3
Design & Modelling
We produce detail design and hydraulic modelling to ensure performance and compliances.
STEP 4
Documentation and Approval Support
Prepare the reports, drawings and supporting documents required for planning and approvals.
Contact Us for Sustainable Drainage System Designs
Don’t let poor drainage ruin your developmental project. Our specialists at Courous streamlines the drainage system design and ensures the safety of your project through reliable drainage design in Uk.
Tailored Solutions
We offer customised solutions for every project.
Nationally Trusted
We are trusted by developers, contractors and organisations across the UK.
TESTIMONIALS
Online Reviews of Our Clients
Don’t just take our word for the excellent services and reliability of our drainage design consultants. Read the experiences of our clients to see for yourself.
“Courous provided a clear and efficient drainage design solution for our development project. Their team was responsive, knowledgeable, and delivered everything on schedule.”
“We were impressed by the professionalism and attention to detail throughout the project. The drainage design was practical, reliable, and easy to implement.”
“The team offered excellent technical guidance from start to finish. Their expertise helped us move through the planning process with confidence.”
“Courous delivered a well-structured drainage solution that met all project requirements. Communication was excellent, and every stage was handled professionally.”
“Their consultants understood our project needs and produced accurate designs within the agreed timeframe. We would gladly work with Courous again.”
FAQS
Detailed Answers to Common Drainage Queries
The professional services our registered experts provide are suitable for homeowners and landlords, architects and designers, local authorities, developers and construction contractors.
The final cost of the drainage design is influenced by several factors, such as the size of the site, project stage, complexity of the design, site testing, and surveys.
To ensure our designs comply with local and national requirements, we review the relevant Lead Local Flood Authority (LLFA) guidance, SuDS proformas, Strategic Flood Risk Assessments (SFRAs), and local planning policies for each project. Our designs are developed in accordance with these requirements and current UK drainage standards to support a successful planning application.
The drainage design solutions we provide include:
- Flood risk assessment
- Site surveys
- Foul sewer and layout design
- Drainage strategy
- Hydraulic modelling
The major future benefits you get by hiring a professional for drainage design include flood prevention, water quality protection, local regulation compliance, and cost-effectiveness.
Before designing, we review topographical surveys, utility surveys, ground investigation reports, existing drainage information and flood risk data. Where required, we also specify infiltration testing and additional site investigations to support the design.
Yes, if you want to connect your drainage with public sewers, you will need a legal permit from the Lead Local Food Authority (LLFA).
Yes, we offer all-inclusive, end-to-end solutions from initial assessment and design to final planning and legal approvals.