
Flood Risk Assessment in Southampton
Flood Risk Assessments by a Trusted Company
Whether you’re a property owner or a tenant, your drainage systems should be properly maintained to prevent water accumulation or backflow. The best way to avoid this is to ensure that experienced professionals do the work on your development project or have a preventive measures report.
A Flood Risk Assessment (FRA) evaluates risk potential, identifies sources, and recommends management measures to ensure long-term safety of your property. Getting a report from a registered company is a better solution for you.
Based in Lancashire and serving the whole of the UK, Courous offers Flood Risk Assessment services in Southampton (SO14). With sustainable solutions, we have experts who are specialised in site-specific solutions, working very efficiently. Whether you’re planning to install new drainage or facing issues with existing systems, we assess flood risk thoroughly and evaluate the impacts of drainage systems effectively.
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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 flood risk assessment helps in decision-making and understanding potential hazards. Our flood risk assessment clearly describes the following points:
Site Visit and Surveys
Our experts assess the site, documenting existing drainage systems, water courses, culverts, or structures that could cause flooding.
Flood Risk Identification
Mentions identifying surface water flooding risk from drainage issues and evaluating climate change’s impact on the drainage system during the development.
Mitigation Strategies
Managing surface water runoff includes recommendations and SuDS implementation as part of development through an appropriate drainage system and layout.
Management and Maintenance
Responsible management of the drainage system involves ensuring sustainable upkeep of SuDS for future flood risks, even during severe floods, to ensure safety.
150+
10+
Years of Experience
Happy Clients
What Your Flood Risk Assessment Report Contains?

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To hire a qualified professional for flood risk assessment in Southampton (SO14), contact Courous. We’re ready to provide the solutions you need.
What Makes Courous Different Among Competitors
Backed by years of experience, we have achieved excellence across various sectors and fields, as demonstrated by numerous case studies and successful project results. Consultants, contractors, and developers working on national highways, local authorities, and private schemes trust us. Since Southampton is particularly vulnerable to a high risk of flooding from surface water, it is important to be prepared by understanding Courous’ expertise.
Licenced Company
Certified Experts
Transparent Pricing
Practical Solutions
Fast Response Times
Clear Design Reports


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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 the cost of Flood Risk Assessment Planning?
The pricing varies from basic reporting to comprehensive flood risk management plans and infrastructure projects. Depending on these factors, the costs may vary:
The property’s exact location and flood zone
Development’s complexity and size
Type and scope of required assessments
Possible need for a site survey
Are there key considerations about Southampton’s flood risk?
Below are some key considerations for flood risk assessment:
Urbanised landscape
Increasing impermeable surfaces
Impact of climate change on rainfall patterns
Capacity of drainage infrastructure
Need for property-level adaptation measures
How can we determine the significance of significant flood risks?
The FRA report’s conclusion summarises key risks, including flood hazards and management strategies. While brief, it is advisable to read the full report carefully.
Is it a legal requirement to have FRA documentation in Southampton (SO14)?
Yes, it’s a legal requirement to have a Flood Risk Assessment or Flood Consequences Assessment if you plan to develop a project, especially if you live in a flood-risk area in Southampton, which must be included with your planning application.
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Courous, Suite 7a, The Globe Centre, Accrington, BB5 0RE
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