SuDS Attenuation

GNR has partnered with a water management solution. Their extensive experience in sustainable drainage systems (SuDS) makes it best placed to interpret, design and advise on the most appropriate solution for your project. Our customers choose us for our working knowledge and expertise along with the quality of our products and workmanship.


As an independent company, we work with a range of manufacturers products, meaning we always recommend products most suited to your needs. Our bespoke solutions are based on our extensive knowledge and many years of experience gained within this field.

We can model drainage networks and offer advice on sizing of attenuation tanks – commercial, authority & residential works


We can take on design responsibility, supply, install, warranty and provide Professional Indemnity (PI) insurance


Design will consult with you throughout the project, from the early specification stages to ensure a solution is provided to match the site- specific requirements


Review existing drainage schemes, where we can recommend improvements and cost savings, suggesting alternative designs that might otherwise have not been considered, NAV adoptions, etc


Access to complimentary products such as Flow Control Devices, Fabrications, Water Treatment Systems, Sewage Treatment Plants and Pump Stations we can help add genuine value to a project providing a solution driven specification

Other Services

A selection of our Commercial services.