Our Plastic Underground Drainage range is designed for dependable, long-lasting water management below ground. Ideal for new builds, extensions and repair work, plastic underground drainage systems provide a practical solution for carrying waste and surface water safely away from properties. With durable pipework and compatible fittings, these systems are built to perform in ground conditions while remaining straightforward to install.
Plastic underground drainage is commonly used for connecting soil and waste outlets, rainwater runs and underground pipe networks, helping prevent pooling, damp issues and water build-up around buildings. Plastic pipework offers consistent sizing, easy handling and secure jointing, making it a popular choice for both trade professionals and home improvement projects. Using the correct connectors, bends and access fittings ensures a watertight finish and helps reduce future maintenance.
For best results, plan your route carefully, maintain the correct fall for steady flow, and install on a suitable bed with proper backfill to protect the pipework. Whether you’re replacing a section or installing a full system, choosing compatible components helps deliver a tidy, reliable drainage run.
Shop online today for plastic underground drainage pipes and fittings with convenient ordering and delivery available.
The Brett Martin 110mm x 32mm x 32mm Seals (Accept MuPVC Waste) provide a secure transition for connecting 32mm MuPVC waste pipe into a 110mm underground drainage system. Designed to maintain watertight performance, they’re ideal for converting smaller waste inlets into larger drains.
The Brett Martin 110mm x 32mm x 40mm Seals (Accept MuPVC Waste) provide a watertight connection for transitioning MuPVC waste pipe into 110mm underground drainage. Ideal for mixed-size pipework, they support secure installation in foul and surface water drainage systems.
Brett Martin 110mm x 3m Single Socket Pipe is a durable PVCu soil pipe designed for reliable foul water and drainage systems. Manufactured to high quality standards, it provides a strong, lightweight solution for underground and above-ground soil drainage installations.
Brett Martin 110mm x 45° Double Socket Bend is a durable PVCu underground drainage fitting designed to change the direction of 110mm drainage pipework. Featuring double socket push-fit connections and manufactured to British Standards, it provides a secure and reliable solution for foul water and surface water drainage systems.
Brett Martin 110mm x 45° Double Socket Branch is a durable PVCu underground drainage fitting designed to connect a branch pipe into a 110mm drainage system. Manufactured to British Standards, it features double socket push-fit connections for secure installation in foul water and surface water drainage systems.
Brett Martin 110mm x 45° Single Socket Bend is a durable PVCu underground drainage fitting designed to change the direction of 110mm drainage pipework. Manufactured to British Standards, it provides a reliable push-fit connection for foul water and surface water drainage systems.
The Brett Martin 110mm x 45° Triple Socket Branch is a PVCu underground drainage fitting designed to introduce a 45° branch into 110mm gravity drainage runs. With triple socket push-fit ends and watertight seal compatibility, it delivers fast, secure connections for foul and surface water systems.
Brett Martin 110mm x 67.5° Single Socket Bend is a durable PVCu underground drainage fitting designed to change the direction of 110mm drainage pipework. Manufactured to British Standards, it provides a reliable push-fit connection for foul water and surface water drainage systems.
Brett Martin 110mm x 67.5° Double Socket Bend is a durable PVCu underground drainage fitting designed to change the direction of 110mm drainage pipework. Featuring double socket push-fit connections and manufactured to British Standards, it provides a secure and reliable solution for foul water and surface water drainage systems.
Brett Martin 110mm x 6m Single Socket Pipe is a BSI Kitemarked underground drainage pipe manufactured to BS EN 1401-1. Designed for foul and surface water systems, it features secure push-fit jointing and is produced under an ISO 9001:2015 certified quality management system.
Brett Martin 110mm x 87.5° Double Socket Rest Bend (Long Radius) is a durable PVCu underground drainage fitting designed to provide a smooth near-vertical change in direction within 110mm drainage systems. Featuring a long radius design and double socket connections, it ensures improved flow performance and secure push-fit installation.
Brett Martin 110mm x 87.5° Double Socket Bend is a BSI Kitemarked underground drainage fitting manufactured to BS EN 1401-1. Designed for foul and surface water systems, it provides a secure 87.5° directional change with push-fit double socket connections and captive seal technology.
Brett Martin 110mm x 87.5° Double Socket Branch is a durable PVCu underground drainage fitting designed to connect a branch pipe into a 110mm drainage system. Manufactured to British Standards, it features double socket push-fit connections for secure installation in foul water and surface water drainage systems.
Brett Martin 110mm x 87.5° Long Radius Plain End Bend is a durable PVCu underground drainage fitting designed to create a smooth near-vertical change in direction within 110mm drainage systems. The long radius design improves flow performance while the plain end connections allow flexible installation with compatible couplers or sockets.
Brett Martin 110mm x 87.5° Single Socket Bend is a durable PVCu underground drainage fitting designed to change the direction of 110mm drainage pipework. Manufactured to British Standards, it provides a reliable push-fit connection for foul water and surface water drainage systems.
Brett Martin 110mm x 87.5° Triple Socket Branch is a durable PVCu underground drainage fitting designed to connect a branch pipe into a 110mm drainage system. Featuring triple socket push-fit connections and manufactured to British Standards, it provides a secure solution for foul water and surface water drainage installations.
The Brett Martin 150mm Twinwall 45° Double Socket Bend is a twinwall drainage fitting designed to create a swept 45° change of direction in 150mm twinwall surface water and land drainage systems. With double socket connections, it supports quick installation and secure jointing.
The Brett Martin 150mm Twinwall 45° Triple Socket Equal Branch is a twinwall drainage junction fitting used to create a 45° branch connection in 150mm twinwall surface water and land drainage systems. With triple socket ends, it supports secure connections and efficient routing.
The Brett Martin 150mm Twinwall 90° Double Socket Bend is a durable twinwall drainage fitting designed to change direction in 150mm corrugated twinwall surface water and land drainage systems. Featuring double socket connections, it provides a secure, reliable joint for underground drainage installations.
Brett Martin 160mm Double Socket PVC (BS) Coupler is a durable underground drainage fitting designed to connect two plain-ended 160mm drainage pipes. Manufactured from high-quality PVCu and compliant with British Standards, it provides a secure and watertight joint for foul water and surface water drainage systems.