Sector Overview
Radius Subterra delivers specialist pipeline engineering services across gas, water, pipeline rehabilitation and emerging biogas networks in the UK and beyond.
From complex live operations to planned infrastructure works, our expert teams provide safe, reliable and efficient solutions that keep essential services operating nationwide.
Specialist expertise across utility and energy networks in the UK and beyond
Radius Subterra supports essential infrastructure with safe, efficient and high-integrity specialist pipeline engineering services.
From maintaining ageing assets to delivering complex live operations and enabling network growth, our engineering and in-house fabrication capabilities provide reliable end-to-end support that protects supply continuity, enhances performance and strengthens long-term resilience.
Gas
Delivering high-integrity engineering services across gas distribution networks, including live connections, flowstopping, pressure management, testing and large-diameter or legacy pipeline works. We ensure safe, reliable and compliant operation across all pressure tiers.
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Water
Supporting potable and non-potable water pipeline networks with live connections, flowstopping, installation, testing and rehabilitation. Our solutions protect supply resilience, minimise service disruption and maintain long-term network integrity.
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Pipeline Rehabilitation
Providing advanced lining, replacement and full asset restoration solutions using RollDown, Subline, and bespoke techniques. Our solutions increase capacity, extending pipeline asset life and reducing environmental impact across utility networks.
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Biogas
Helping operators develop and maintain renewable gas infrastructure with safe connection, repair and integrity services. We support AD plants, biomethane-to-grid systems, and emerging low-carbon gas networks.
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Hydroelectric
Supporting hydropower schemes with specialist engineering for high-pressure water pipelines. We provide installation, maintenance, repair and asset rehabilitation services to ensure reliable system performance.
Waste Water
Delivering pipeline repair, maintenance and rehabilitation solutions for foul, surface and combined sewer networks. Our services protect system integrity, ensure safe operation, and reduce environmental risk.
Fire Protection
Providing engineering support for fire-protection networks, including installation, hydrant connections, fire suppression and sprinkler systems, plus modifications. We help build resilient, compliant systems that safeguard system integrity.
Geothermal
Supporting low-carbon heating and energy schemes with specialist pipeline installation and connection services. We enable high-integrity district energy and geothermal pipeline infrastructure.
Nuclear
Delivering specialist pipeline engineering support for controlled-environment nuclear facilities. Our teams provide safe, compliant and high-integrity services on nuclear water and gas systems.
Petrol & Oil
Supporting fuel infrastructure with specialist cutting, flowstopping and pipeline engineering services designed for hazardous and ATEX-classified environments. We ensure safe operation across fuel, petrol and oil infrastructure.
Case Studies
Discover the prowess of Radius Subterra through our latest case studies.
Witness how we excel in tackling intricate pipeline challenges with innovative solutions and state-of-the-art technology. Stay tuned for more videos showcasing our commitment to engineering excellence.
Faced with severe leaks in a critical 1500mm trunk main, Radius Subterra provided an innovative pipeline rehabilitation solution using their close-fit PE liner system. This approach restored the pipeline’s integrity
Discover how Radius Subterra’s precision engineering revitalises a historic London waterway with cutting-edge pipeline solutions, installing a bespoke branch saddle onto a live water main in Finsbury Park. This job
Radius Subterra partnered with Anglian Water to solve leak issues in a hard-to-reach 10” water pipeline in East Anglia. Using their innovative Rolldown & Slipline method, Subterra maximised pipe bore
What our client’s say about us
Why choose Radius Subterra?
Trusted expertise, engineered solutions and a service approach shaped around your challenges.
For decades we’ve supported utility networks in the UK and beyond with safe, reliable and efficient pipeline services. Our teams combine technical knowledge, industry-leading equipment and a problem-solving mindset to deliver high-quality outcomes with minimal disruption. Whether planned works or complex operational challenges, we provide proven capability and dependable support.
Decades of expertise
With deep roots across the wider Radius Group and extensive experience in live gas, water, biogas and pipeline rehabilitation operations, our teams bring exceptional hands-on knowledge to every project. We understand the pressures faced by network operators and contractors and deliver work that is safe, compliant and technically robust from start to finish.
Committed to quality and safety
Safety underpins every service we deliver. Our work follows industry standards, rigorous internal procedures and environmental best practice. From accredited techniques to specialist equipment, we ensure consistent quality while reducing risk, waste and unnecessary disruption across gas, water and biogas networks.
Minimising disruption
Our specialist techniques, including under-pressure connections, flowstopping and trenchless rehabilitation, allow essential works to continue while maintaining customer service, protecting highways and minimising community impact. Reduced excavation and streamlined operations, support faster reinstatement and lower overall disruption.
Innovation and customisation
From bespoke branch saddles to tailored fittings for non-standard assets, innovation is central to our approach. We engineer solutions to suit each site, material and operating condition, enabling safer, faster and more cost-effective outcomes across complex project environments.
Safety and sustainability
We champion safe working and long-term sustainability. Our methods reduce carbon, excavation material, traffic disruption and reinstatement, while modern equipment and ongoing training create a safer environment for teams and the public. Every project is designed and delivered with environmental responsibility and operational resilience in mind.
Decades of expertise
With deep roots across the wider Radius Group and extensive experience in live gas, water, biogas and pipeline rehabilitation operations, our teams bring exceptional hands-on knowledge to every project. We understand the pressures faced by network operators and contractors and deliver work that is safe, compliant and technically robust from start to finish.
Committed to quality and safety
Safety underpins every service we deliver. Our work follows industry standards, rigorous internal procedures and environmental best practice. From accredited techniques to specialist equipment, we ensure consistent quality while reducing risk, waste and unnecessary disruption across gas, water and biogas networks.
Minimising disruption
Our specialist techniques, including under-pressure connections, flowstopping and trenchless rehabilitation, allow essential works to continue while maintaining customer service, protecting highways and minimising community impact. Reduced excavation and streamlined operations, support faster reinstatement and lower overall disruption.
Innovation and customisation
From bespoke branch saddles to tailored fittings for non-standard assets, innovation is central to our approach. We engineer solutions to suit each site, material and operating condition, enabling safer, faster and more cost-effective outcomes across complex project environments.
Safety and sustainability
We champion safe working and long-term sustainability. Our methods reduce carbon, excavation material, traffic disruption and reinstatement, while modern equipment and ongoing training create a safer environment for teams and the public. Every project is designed and delivered with environmental responsibility and operational resilience in mind.
Contact us
Ready to progress your next pipeline project?
Radius Subterra’s specialist engineering teams are here to support you with safe, efficient and technically assured solutions across every stage of the asset lifecycle.
Get in touch by phone or email to discuss your requirements and speak directly with our experts.
Alternatively, complete the form below with the relevant information.