Our high-quality range of underground drainage pipes, fittings and accessories are for reliable below ground drainage installations. Suitable for construction, groundworks, residential, commercial and civil engineering projects, our underground drainage range includes everything you need to install, connect, test and maintain drainage systems.

We stock a wide selection of underground drainage pipes and fittings, including bends, junctions, couplers, adaptors, inspection chambers and associated components in a range of sizes and configurations. Our range also includes Wavin Osma underground drainage products, providing trusted solutions for complete below ground drainage systems.

For connecting, repairing and adapting existing drainage systems, browse our range of flexible couplings and adaptors, alongside drain testing equipment and accessories to help check drainage installations before completion.

Whether you’re installing a new underground drainage system, extending existing pipework or carrying out repairs and maintenance, Stanley John Ltd can supply the underground drainage products you need with knowledgeable advice, competitive pricing and nationwide delivery.