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Simplify your flood modelling

Select the UK’s leading flood modelling software to quickly and easily model flood risk and get accurate results fast

Run large, detailed models in hours instead of days 

Harness the power of our GPU-enabled 2D solver to obtain accurate results fast. Our benchmarking has demonstrated that simulations for larger catchments achieve even greater speed improvements.

Need to undertake site-specific FRA modelling and gain regulatory approval fast? We have the solution for you >>

Laptop with software screenshot

Discover why we're the software of choice for flood modelling 

Learn everything you need to know about Flood Modeller in just 30 minutes.

✔️Powerful hydraulic simulations

✔️Advanced 1D and 2D solvers

✔️GPU and cloud-based functionality

Access everything you need to model rivers, sewers, overland flows and rainfall-runoff

in one package

Access a GIS interface, suite of numerical solvers, wide range of hydraulic structures and the latest hydrological methods.

Quick to learn and intuitive to use

Benefit from a detailed knowledge base, extensive training programme and a  dedicated support team.

Trusted by government

Software of choice for SEPA (Scotland), Natural Resources Wales, OPW (Ireland) and the Environment Agency (England).

Cost-effective licensing 

From just £150/month, we offer monthly and annual subscriptions,  lifetime licences, and four editions of the software.

" We use Flood Modeller for most of our modelling and it is our software of choice for fully hydrodynamic modelling in our national forecasting system "

Simon Lewis
Senior Technical Advisor
Environment Agency

Accurately model multiple sources of flooding within one software solution


Rivers and Coasts

Accurately model water levels and flows in open channels, floodplains, reservoirs and estuaries

Image of surface water flooding

Surface Water

Quickly calculate water depth and velocity for fluvial, overland, estuarine and coastal applications

Image of overflowing manhole

Drainage Systems

Model sewer and other urban drainage systems and how they interact with surface flows​

Confidently assess the impacts of climate change

Trusted by organisations across the globe to understand future flood risk.

Why Flood Modeller

Flood Modeller provides everything you need in one package, including a powerful suite of numerical solvers, a wide range of hydraulic structures, and access to latest hydrological methods​






River Thames, London

Enhancing Your Flood Risk Assessments

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