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Below Ground Drainage
Our Below Ground Drainage range is designed to help you install reliable underground drainage systems for managing waste and surface water effectively. Whether you’re working on a new build, extension, landscaping project or repair job, quality below ground drainage products support safe water movement and help prevent issues such as pooling, blockages and ground saturation.
Below ground drainage is commonly used for connecting soil pipes, waste outlets and rainwater systems into a secure underground network, directing water away from buildings and outdoor areas. Using the correct pipework, fittings and connectors ensures a watertight installation and reduces the risk of future maintenance problems. With durable materials made to perform in ground conditions, these systems are built for long-term use in both domestic and commercial settings.
For best results, plan the drainage route carefully, ensure the correct fall for steady flow, and use compatible fittings throughout the system. Proper bedding and backfilling also helps protect pipework and maintain stability over time. Whether you’re replacing a damaged section or installing a complete run, having the right components makes the job quicker and more reliable.
Shop online today for below ground drainage supplies with convenient ordering and delivery available.
160mm Rodding Point Socketed And Sealed
The Brett Martin 160mm Rodding Point Socketed and Sealed is a PVCu underground drainage access fitting designed to provide rodding entry into 160mm drainage systems. With a socketed, sealed design, it supports watertight performance while improving system maintainability.
£79.11 INC VAT
160mm Spare Plug (Chamber)
The Brett Martin 160mm Spare Plug (Chamber) is a replacement blanking plug designed for compatible inspection chambers and chamber bases. Used to seal unused 160mm entries, it supports flexible configurations while helping maintain watertight chamber integrity.
£5.48 INC VAT
160mm Square Alloy Grid
The Brett Martin 160mm Square Alloy Grid is a durable metal grid cover designed for compatible 160mm square hopper and gully tops. Providing a strong, neat finish, it supports reliable surface water entry while improving durability in external drainage areas.
£8.20 INC VAT
160mm Square Plastic Grid
The Brett Martin 160mm Square Plastic Grid is a lightweight, practical grid cover designed for compatible 160mm square hopper and gully tops. Offering a neat finish and reliable surface water entry, it’s ideal for domestic external drainage applications.
£2.63 INC VAT
160mm x 11 1/4 deg Single Socket Bend
Brett Martin 160mm x 11.25° Single Socket Bend is a heavy-duty PVCu underground drainage fitting designed to create a slight directional adjustment in 160mm drainage pipework. Manufactured to British Standards, it provides a secure push-fit connection for foul water and surface water drainage systems.
£20.71 INC VAT
160mm x 110mm Square Hopper
The Brett Martin 160mm x 110mm Square Hopper is a surface water intake hopper designed to channel rainwater run-off into 110mm underground drainage. With a compact 160mm square top and practical 110mm outlet compatibility, it delivers a neat, efficient external drainage inlet.
£19.16 INC VAT
160mm x 110mm x 45 deg Double Socket Branch
The Brett Martin 160mm x 110mm x 45° Double Socket Branch is a PVCu underground drainage fitting used to connect a 110mm branch into a 160mm drain at a swept 45° angle. Double socket push-fit ends provide fast installation with secure, watertight performance.
£26.99 INC VAT
160mm x 110mm x 45 deg Triple Socket Branch
Underground Drainage Branch – 160mm – 110mm. Connect multiple pipe runs within a below-ground drainage system.
£27.73 INC VAT
160mm x 110mm x 87 1/2 deg Double Socket Branch
The Brett Martin 160mm x 110mm x 87.5° Double Socket Branch is a PVCu underground drainage junction fitting that connects a 110mm branch into a 160mm main line. Featuring double socket push-fit connections and a near-vertical 87.5° branch, it supports secure, watertight foul and surface water installations.
£26.99 INC VAT
160mm x 110mm x 87 1/2 deg Triple Socket Branch
The Brett Martin 160mm x 110mm x 87.5° Triple Socket Branch is a PVCu underground drainage junction for connecting a 110mm branch into a 160mm system. With triple socket push-fit ends and an 87.5° branch, it offers a secure, watertight connection for foul and surface water drainage.
£27.73 INC VAT
160mm x 111/4 deg Double Socket Bend
Brett Martin 160mm x 11.25° Double Socket Bend is a heavy-duty PVCu underground drainage fitting designed to create a slight directional change in 160mm drainage pipework. Featuring double socket push-fit connections and manufactured to British Standards, it provides a reliable solution for foul water and surface water drainage systems.
£24.66 INC VAT
160mm x 160mm Square Hopper with 110mm Solvent Socket
The Brett Martin 160mm x 160mm Square Hopper with 110mm Solvent Socket is a surface water collection hopper designed for high-capacity intake with a secure solvent-weld connection to 110mm pipework. Ideal for rainwater and site drainage, it provides a neat square-top finish and reliable discharge.
£13.53 INC VAT
160mm x 160mm x 45 deg Double Socket Branch
The Brett Martin 160mm x 160mm x 45° Double Socket Branch is a PVCu underground drainage junction used to connect a 160mm branch line into a 160mm run at a swept 45° angle. Double socket push-fit connections deliver a secure, watertight fit for foul and surface water systems.
£29.89 INC VAT
160mm x 160mm x 45 deg Triple Socket Branch
The Brett Martin 160mm x 160mm x 45° Triple Socket Branch is a PVCu underground drainage fitting that forms a swept 45° branch connection within 160mm systems. With triple socket push-fit ends, it enables fast, watertight connections for foul and surface water drainage.
£31.75 INC VAT
160mm x 160mm x 87 1/2 deg Double Socket Branch
The Brett Martin 160mm x 160mm x 87.5° Double Socket Branch is a PVCu underground drainage fitting used to create a near-vertical 87.5° branch connection within 160mm drainage runs. Double socket push-fit ends provide fast installation and watertight reliability.
£29.89 INC VAT
160mm x 160mm x 87 1/2 deg Triple Socket Branch
The Brett Martin 160mm x 160mm x 87.5° Triple Socket Branch is a PVCu underground drainage junction for forming a near-vertical branch connection within 160mm pipe systems. Triple socket push-fit ends provide quick installation and dependable watertight performance.
£31.75 INC VAT
160mm x 22 1/2 deg Double Socket Bend
Brett Martin 160mm x 22.5° Double Socket Bend is a heavy-duty PVCu underground drainage fitting designed to provide a gentle directional change in 160mm drainage pipework. Featuring double socket push-fit connections and manufactured to British Standards, it ensures reliable installation in foul water and surface water drainage systems.
£24.66 INC VAT
160mm x 22 1/2 deg Single Socket Bend
Brett Martin 160mm x 22.5° Single Socket Bend is a heavy-duty PVCu underground drainage fitting designed to create a gentle directional change in 160mm drainage pipework. Manufactured to British Standards, it provides a secure push-fit connection for foul water and surface water drainage systems.
£20.38 INC VAT
160mm x 3m Single Socket Pipe
Brett Martin 160mm x 3m Single Socket Pipe is a heavy-duty PVCu drainage pipe designed for high-capacity underground drainage systems. Manufactured for durability and reliability, it provides efficient wastewater flow and simple installation with a single socket push-fit connection.
£33.36 INC VAT
160mm x 45 deg Double Socket Bend
Brett Martin 160mm x 45° Double Socket Bend is a heavy-duty PVCu underground drainage fitting designed to create a smooth directional change in 160mm drainage pipework. Featuring double socket push-fit connections and manufactured to British Standards, it provides a reliable solution for foul water and surface water drainage systems
£24.66 INC VAT
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