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Design

Streamlining your end-to-end process for compliant design

Overview
Solutions
  • Drainage Design
  • Site Development
  • Major Projects
  • Infrastructure Design
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Joining-up an ecosystem of organisations across our industry

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  • Electronic Invoicing
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Workforce

Connecting your workforce for a safer and more productive industry

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Solutions
  • Skills Management
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  • Digital Tools
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Commercial

Helping you maximise project profitability through intelligence

Overview
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  • Project Accounting
  • Estimating
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Infrastructure

Transforming delivery and communication for the public sector

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  • Asset Management
  • Road Management
  • Job Management
Causeway One
Step into the future of construction management with our software platform CausewayOne
Discover CausewayOne
Who we serve

Who we serve

We streamline every aspect of your construction and maintenance projects

Industry Sectors
  • Construction contractors
  • Local and highways authorities
  • Infrastructure and utility operators
  • House builders
  • Engineering consultants
  • Suppliers and manufacturers
Latest case studies
From manual to managed: Graham’s journey to efficiently handling 7,000 suppliers
Supply Chain Management
From manual to managed: Graham’s journey to efficiently handling 7,000 supp...
Direct Enviro Services transforms operations with 50% reduction in admin using CausewayOne Digital Tools to digitise site forms
Direct Enviro Services transforms operations with 50% reduction in admin us...
Driving a new era of bus travel: Surrey County Council’s BSIP vision brought to life with Causeway one.network
one network
Driving a new era of bus travel: Surrey County Council’s BSIP vision brough...
M Group Highways boosts contracts implementation with Causeway
Digital Transformation
M Group Highways boosts contracts implementation with Causeway
From manual to managed: Graham’s journey to efficiently handling 7,000 suppliers
Supply Chain Network
From manual to managed: Graham’s journey to efficiently handling 7,000 supp...
Direct Enviro Services transforms operations with 50% reduction in admin using CausewayOne Digital Tools
Digital Transformation
Direct Enviro Services transforms operations with 50% reduction in admin us...
Direct Enviro Services transforms operations with 50% reduction in admin using CausewayOne Digital Tools
Digital Transformation
Direct Enviro Services transforms operations with 50% reduction in admin us...
CausewayOne Digital Tools delivers immediate benefits for Earthmover Tyre Solutions
Digital Transformation
CausewayOne Digital Tools delivers immediate benefits for Earthmover Tyre S...
SOCOTEC UK save 240 hours per week in manual re-typing by using CausewayOne Digital Tools
Digital Transformation
SOCOTEC UK save 240 hours per week in manual re-typing by using CausewayOne...
Webb Yates Engineers adopt Causeway Flow and SmartTools for seamless design workflow
Webb Yates Engineers adopt Causeway Flow and SmartTools for seamless design...
Monmouthshire County Council streamlines approval process with Causeway Flow
Monmouthshire County Council streamlines approval process with Causeway Flo...
Engineering consultancy startup Grainger and Daniels adopt Causeway Flow and PDS as its infrastructure and drainage design solutions
Engineering consultancy startup Grainger and Daniels adopt Causeway Flow an...
Direct Enviro Services transforms operations with 50% reduction in admin using CausewayOne Digital Tools
Digital Transformation
Direct Enviro Services transforms operations with 50% reduction in admin us...
Driving a new era of bus travel: Surrey County Council’s BSIP vision brought to life with Causeway one.network
Digital Transformation
Driving a new era of bus travel: Surrey County Council’s BSIP vision brough...
Durham County Council selects CausewayOne Digital Tools to replace manual timesheet processes
Process Digitalisation
Durham County Council selects CausewayOne Digital Tools to replace manual t...
Direct Enviro Services transforms operations with 50% reduction in admin using CausewayOne Digital Tools
Digital Transformation
Direct Enviro Services transforms operations with 50% reduction in admin us...
CausewayOne Digital Tools delivers immediate benefits for Earthmover Tyre Solutions
Digital Transformation
CausewayOne Digital Tools delivers immediate benefits for Earthmover Tyre S...
SOCOTEC UK save 240 hours per week in manual re-typing by using CausewayOne Digital Tools
Digital Transformation
SOCOTEC UK save 240 hours per week in manual re-typing by using CausewayOne...
How Aggregate Industries boosted product specifications in the UK concrete market
Specification
How Aggregate Industries boosted product specifications in the UK concrete ...
How Rimex Metals streamlined CPD coordination by outsourcing to Causeway Enhance
CPDs
How Rimex Metals streamlined CPD coordination by outsourcing to Causeway En...
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Building a proactive pipeline for Sika Waterproofing with Causeway Enhance’...
How we help

How we help

By building an ecosystem that connects data and people across the entire supply chain

How we help you
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  • Prepare your water workforce for AMP8
  • Get ready for Digital Traffic Regulation Orders
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For over two decades, we've been making construction and maintenance flow

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Streamline your drainage design

Our end-to-end drainage design software enables optimal, sustainable, and compliant designs while boosting efficiency, reducing costs, and speeding up approvals for your business.

Get started with Causeway
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Why should you choose Causeway Flow?

Our comprehensive drainage design software is engineered to refine and enhance your entire design process, from start to finish. It guides you from the foundational stages of outline design through to the intricacies of detailed design and the generation of customisable outputs including Level 2 BIM. From traditional to sustainable and existing drainage designs, Causeway Flow ensures a smooth path to obtaining approvals.

Transform your operational asset management
1
Ensure compliant drainage design

Automatic compliance for UK and Ireland approval requirements is built into Causeway Flow. Save time on reworks, reduce costly mistakes, and optimise resource allocation for improved efficiency.

2
Streamline your processes

All the tools you need to value engineer and optimise your drainage designs. Deliver user customisable design production, including annotations, manhole and pipe schedules, longsections and Level 2 BIM reports to help clients and authorities make decisions faster. Integrate with Civil 3D®, AutoCAD® and Causeway Live Design for a seamless workflow.

3
Create any type of drainage design

Design and deliver traditional, existing, and foul designs drainage design, including Sustainable Drainage Systems (SuDs) in accordance with the SuDS manual C753. 

4
Unmatched flexibility and cost savings with our cloud-based floating license

Causeway Flow can be accessed by users across multiple teams, offices and countries, enabling seamless collaboration and efficient resource allocation. Say goodbye to restrictive fixed licences that limit your team's mobility and hinders scalability.


Book a Causeway Flow demonstration

We’re proud to work in partnership with

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Persimmon PLC
Jacobs
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Ramboll UK
OConnor Sutton Cronin
Wardell Armstrong LLP
Waterman Moylan Consulting
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Taylor Wimpey UK Ltd
Sweco UK ltd
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RPS Group
Meinhardt (UK ltd)
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Elevate your drainage designs

Save money and time

Enhance your productivity through design automation and optimisation, freeing up valuable time to focus on value engineering and elevating the quality of your projects.

Meet regulatory requirements

Ensure compliance with all necessary standards, guidelines and regulations. From traditional to SuDS to foul drainage design, Causeway Flow ensures your projects meet the highest compliance standards.

Advanced graphical design

Our cutting-edge graphical user interfaces effortlessly converts existing graphical drawings or create new ones into designs ready for detailed analysis and design.

Accurate and robust hydraulic modelling capability

Utilise the state-of-the-art hydraulic SWMM5 engine for accurate design and analysis across all types of drainage networks.

Sustainability in mind

Intuitvely model SuDS components that adhere to the core principles outlined in the SuDS Manual. Balance the four pillars of SuDS, ensuring compliant, harmonious, and effective designs.

Best practice designs, reports and drawing production

Embrace software that epitomises the gold standard in drainage design. Elevate your design reports and drawings, including Level 2 BIM output, and stay ahead of industry competition.

Book a Causeway Flow demonstration
"Causeway Flow enabled me to quickly and efficiently map out the drainage network, resulting in visually appealing outputs and a modern design and feel."
Marc Barlow
Project Engineer, Curtins
"I am yet to meet a person I have recommended Causeway Flow to that has continued to use other drainage design software."
Kevin Tosh
Director, Richard Jackson
"We trialled every drainage design software that was out there and Causeway Flow really jumped out at us."
Chris Croft
Associate, SD Engineers

How our drainage software suite can help you

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Overland flooding analysis

Easily identify problem areas, ensure accurate flow, and better visualise results. Select an optional module to analyse overland flooding.

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Faster initial feasibility

Use Sketch to create quick outline designs to assess project feasibility, then use them as the basis for detailed designs in Causeway Flow, avoiding re-works.

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Optimal and compliant

Create optimal designs with realistic hydraulic modelling, 3D imaging, and built-in compliance. Ensure every design meets requirements from the start.

roadmap
Quick BIM outputs

Attach metadata, create digital representations of real drainage networks, specify trenches and bedding, and integrate with Civil 3D® part lists.

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Integrate design tools

Work with a suite of tools that are easy to integrate and designed with collaboration in mind. Create seamless designs and a smooth workflow.

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Connected, cloud licensing

Stay connected to your design solutions with floating cloud licensing. Access software from anywhere, and take licenses offline.

Ready to elevate your drainage design systems?

Get in touch today to see how our software solutions can help solve your drainage design challenges. Simply fill out the form, and we'll get back to you as soon as possible. 

what you'll get with causeway flow

Meet design regulations and compliance with ease. 

Seamlessly integrate with leading design tools for a more streamlined process. 

Prioritise Sustainable Urban Drainage Systems (SuDs) design for more effective outcomes. 

Relevant content for you to explore

OnDemand webinars
Design Masterclass: How to analyse overland flow models
April 15th 2025

Design Masterclass: How to analyse overland flow models

In this session, we'll show you how to set up pre-development overland flow analysis areas with a focus on blue-green ...

Discover more
OnDemand webinars
Design Masterclass: Getting started with SmartSurface
April 1st 2025

Design Masterclass: Getting started with SmartSurface

In this masterclass, we introduce the basics of SmartSurface, covering both simple and multi-surfaces.

Discover more
Downloads
Drainage design trends and innovations in 2025 and beyond
March 10th 2025

Drainage design trends and innovations in 2025 and beyond

A lot is happening in the infrastructure sector—especially in drainage design. With insights backed by real-world examples and ...

Discover more
OnDemand webinars
Design Masterclass: getting started with SmartDrainage
March 6th 2025

Design Masterclass: getting started with SmartDrainage

Get the most out of your Causeway Design tools and take your designs to the next level with our Masterclass series.

Discover more
OnDemand webinars
Design Masterclass: calculating water quality with Causeway Flow
February 6th 2025

Design Masterclass: calculating water quality with Causeway Flow

During this masterclass, Dr Netsanet Mebrate covers the Simple Index Approach, pollution hazard and mitigation indices, SuDS ...

Discover more
OnDemand webinars
Innovative SuDS design and roundtripping with Causeway Flow v14
December 5th 2024

Innovative SuDS design and roundtripping with Causeway Flow v14

Discover what's new in Causeway Flow v14 with its advanced SuDS design tools will help engineers design better, more holistic ...

Discover more

Explore our related solutions

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Site Development

Explore Causeway Live Design for centralised, multi-discipline infrastructure design across residential, commercial, and industrial projects. Improve accuracy, reduce risks, and update designs in real-time, enhancing productivity and compliance at every stage.

Discover Causeway Site Development
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Major Projects

Centralise your road marking and traffic sign design processes with Causeway Line and Causeway Sign. This comprehensive suite simplifies compliant sign creation and road marking design, maintenance, annotation, and quantification.

Discover Causeway Major Projects

Let’s build the future together

Discover how we can transform your business, making every project flow and the industry more sustainable.
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