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Future-Proofing Your Stormwater Projects
The UK’s updated SuDS standards, released in June 2025, outline clear priorities for managing stormwater in new developments — these principles include managing runoff at the source, mimicking natural drainage, reducing flood risk, improving water quality, and supporting long-term biodiversity and amenity.
For DeepRoot, these aren’t new ideas — they’re the foundation of everything we’ve been doing for years. Silva Cells are already aligned with these goals, delivering sustainable, integrated stormwater management in real-world projects across the UK and beyond. We don’t just meet these goals — we embody them.
And with the introduction of Marino Cell, we now offer an even more complete SuDS toolkit for today’s diverse urban landscapes. Let’s take a look at the new standards and how DeepRoot has been meeting these principles for nearly two decades.
SuDS-Ready Solutions: The 5 Core Principles
DeepRoot’s green infrastructure solutions have always been rooted in the same objectives now formalised by the UK’s SuDS standards, because these goals aren’t just regulatory boxes to check. They’re central to our mission. Our systems deliver integrated, nature-based stormwater management with added benefits like healthy tree growth, space-saving efficiency, and long-term performance.
Proven Performance Across the UK
Silva Cells function like an underground rain garden, capturing runoff from surrounding hardscape and directing it into a structured soil environment. As water moves through the soil, it slows down, filters pollutants, and reduces the overall volume entering the sewer system — all while supporting healthy tree growth above. Because the system is entirely beneath the surface, it delivers these SuDS benefits without sacrificing buildable real estate, making it an ideal solution for dense urban environments where space is limited but stormwater standards still must be met.
And this performance isn’t theoretical — it’s been demonstrated in Silva Cell SuDS projects across the UK. From Howard Street in Manchester to The Strand in London, Silva Cells have already shown measurable reductions in runoff volume and improved water quality. The infographic below highlights key statistics from these pioneering projects, proving that Silva Cells are a reliable, space-efficient tool for meeting today’s SuDS goals.
Introducing Marino Cell: SuDS for Every Site
Not every site can support large trees — but every site needs stormwater control. Marino Cell fills this gap.
It’s a shallow, modular system designed for underground stormwater storage below hardscapes or soft landscapes, without the need for structural soil or tree planting. That makes it ideal for dense, redevelopment-heavy environments where space is limited and infiltration or attenuation is still required.
With Marino Cell, you can design for SuDS success even in the trickiest project conditions, including urban infill projects like those in Sidney and Victoria, British Columbia.
We’ve Got This — And We Have for Years
The SuDS update puts sustainability, resilience, and nature-based drainage at the forefront of urban development. At DeepRoot, these have been our priorities all along.
Our solutions are ready to meet these standards not someday, but right now — and we’re here to help designers, engineers, and local authorities deliver projects that are not only compliant, but truly future-ready.
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