
Highway Drainage Design in Manchester
Reputable Drainage Designers Near You
Heavy rainfall and frequent storms in Manchester can put roads under severe pressure. When highways lack proper drainage systems, the results can be damaging and costly. Flooded carriageways and damaged road foundations can create road safety hazards, elevating accident risks.
At Courous, we understand these challenges and are dedicated to delivering top-notch highway drainage design services in Manchester. Our skilled, certified engineers craft resilient and safe designs that meet all regulations. Using the highway drainage design manual, we create tailored solutions that account for our local climate and conditions.
We take pride in offering a comprehensive range of services, including:
Site assessment and surveys
Bespoke drainage designs
Residential and commercial drainage planning
Flood assessment and mitigation
Send Us a Message
Our 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 & 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.
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.
Pollution Mitigation Design
Our Highway Drainage Design Process
To ensure each step is executed to the highest possible standards, designers at Courous adhere to a structured design process. We assure you that every stage is meticulously managed to guarantee safety and precision.
Site Survey: Our design experts collaborate with registered stakeholders to survey the topography, climate, and land where a drainage system is planned to be installed.
System Selection: We evaluate various drainage systems and materials to determine the most suitable system that meets all the design requirements.
Design and Planning: We use advanced modelling software to design the layout of the intended drainage system. Our designers make sure that the designs are efficient and align with the guidelines of the highway drainage design manual.
Documentation and Approval: We prepare a comprehensive report that includes all designs and calculations. This report is mandatory for regulatory approval and stakeholder review.

Courous: Get in Touch!
Do not allow poor drainage to undermine the safety and reliability of the roads. We are your go-to for exceptional highway drainage design services in Manchester that are both professional and budget-friendly.
Reach out to our engineers to discuss the details of your project requirements by calling us at 01254377171 or emailing info@courous.co.uk. We provide free consultations and comprehensive proposals to assist your decision-making.
Why Go for Courous?
Choosing the right partner for highway drainage projects can make all the difference between short-term fixes and long-lasting solutions. At Courous, we stand out for our commitment to quality and sustainability. Our services are trusted because:
We have a rich track record of successfully executing complex projects.
Our team is fully insured and backed by years of hands-on experience.
Each design is tailored to your site’s specific needs for efficiency and compliance.
We offer transparent and competitive pricing without any hidden fees.
We emphasise reliability and durability for long-term performance.
Partnering with Courous means working with a team committed to effective solutions for your challenges.
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Our Happy Customer
Outstanding service from start to finish! The pollution mitigation strategies they delivered were innovative and effective. The flooding assessment was detailed, helping us plan with confidence and avoid costly issues. Their drainage design was spot-on, combining both functionality and long-term sustainability. Truly a professional team dedicated to delivering quality results.
Brian Moten
The team provided exceptional support with pollution mitigation design, ensuring compliance with regulations while keeping our project environmentally responsible. Their flooding assessment was thorough and gave us clear insights into potential risks. Most importantly, their drainage design was practical, efficient, and tailored to our site conditions. Highly recommend their expertise for anyone seeking reliable and sustainable solutions.
Clarice Turner
★★★★★
★★★★★
Frequently Asked Questions
What is highway drainage design?
Highway drainage design involves planning and installing systems that manage surface water on roads, ensuring a safe and efficient flow away from the carriageway.
Why is highway drainage design important in Manchester?
Manchester experiences frequent heavy rainfall. That is why proper drainage is crucial to:
Prevent flooding on roads
Protect road foundations from water damage
Improve safety for drivers and pedestrians
Reduce long-term maintenance costs
Can you assist with regulatory approvals for drainage projects?
Yes. Our team offers comprehensive support for regulatory approvals by preparing detailed documentation, including design reports, technical drawings, and calculations. These submissions are customised to meet the requirements of local authorities.
Do you serve both residential and commercial projects?
Yes. We design drainage systems for residential roads, commercial developments, and large-scale public highways across Manchester and the surrounding areas.
Get In Touch
Courous, Suite 7a, The Globe Centre, Accrington, BB5 0RE
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