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Civils & Drainage
Find reliable civils and drainage supplies in Leicestershire and Rutland, suitable for groundworks, infrastructure and site development projects. William Hercock supports trade contractors and builders with quality drainage materials, offering local delivery and branch collection across Leicester, Loughborough, Melton Mowbray and Oakham.
Our range includes underground drainage pipes, fittings, inspection chambers, ducting, soakaway systems and associated groundworks materials. Using the correct civils products ensures effective water management, structural stability and long-term performance across residential and commercial projects.
Civils and drainage materials are essential for foundations, utility installations, surface water control and below-ground infrastructure. Selecting durable, compliant components helps reduce future maintenance issues and ensures projects meet required standards.
For best results, confirm load ratings, pipe diameters and compatibility before installation. Proper ground preparation and correct jointing methods are key to achieving reliable drainage performance.
Underground Drainage & Groundworks Materials
Civils Supplies Delivered Across Leicestershire
Drainage Pipes, Chambers & Ducting
Order civils and drainage materials online today with fast delivery across Leicestershire & Rutland or collect from your nearest William Hercock branch.
ACO HexDrain® Brickslot corner unit assembly
ACO HexDrain® Brickslot Corner Unit Assembly is a purpose-designed component for use within ACO HexDrain Brickslot drainage systems, allowing clean and efficient 90-degree changes in channel direction while maintaining a discreet, flush finish.…
£57.41 INC VAT
ACO HexDrain® channel assembly c/w black plastic grating 1000mm A 15
ACO HexDrain® Channel Assembly c/w Black Plastic Grating 1000mm A15 is a lightweight, high-performance surface water drainage solution designed for domestic and light-duty external applications.…
£13.41 INC VAT
ACO HexDrain® corner unit c/w black plastic grating and vertical outlet
ACO HexDrain® Corner Unit c/w Black Plastic Grating and Vertical Outlet is a purpose-designed component for use within ACO HexDrain linear drainage systems, allowing clean and efficient 90-degree changes in channel direction.…
£43.61 INC VAT
ACO HexDrain® Pro channel c/w Heelguard™ grating 1000mm C 250
ACO HexDrain® Pro Channel c/w Heelguard™ Grating 1000mm C250 is a heavy-duty linear drainage solution designed for areas requiring increased load capacity and enhanced pedestrian safety.…
£98.81 INC VAT
ACO HexDrain® sump unit black plastic 250mm deep
ACO HexDrain® Sump Unit – Black Plastic, 250mm Deep is a key component within the ACO HexDrain linear drainage system, designed to collect surface water, trap debris, and provide an effective connection point to underground drainage.…
£81.62 INC VAT
ACO M100PPD/HexDrain® Vertical outlet connector Ø160mm
ACO M100PPD / HexDrain® Vertical Outlet Connector Ø160mm is a heavy-duty drainage accessory designed to connect ACO M100PPD and HexDrain® PRO channel systems directly to Ø160mm underground drainage pipework.…
£39.05 INC VAT
ACO S Range S100 Heelguard™ ductile iron grate 500mm F 900
ACO S Range S100 Heelguard™ Ductile Iron Grate 500mm F900 is a heavy-duty drainage grating designed for use with ACO S Range S100 channel systems in environments where extreme load capacity and pedestrian safety are critical.…
£52.59 INC VAT
ACO S Range S100 S01 Channel cast iron rail 1000mm F 900
ACO S Range S100 S01 Channel with Cast Iron Rail 1000mm F900 is a heavy-duty linear drainage channel engineered for extreme load-bearing environments where maximum strength and durability are essential.…
£98.75 INC VAT
Aluminium Silt Bucket
The Brett Martin Aluminium Silt Bucket is a durable removable insert designed to capture silt and debris in compatible gullies and drainage chambers. Helping reduce blockages and simplifying maintenance, it’s ideal for external surface water drainage systems.
£73.13 INC VAT
Back Inlet Gully Raising Piece
The Brett Martin Back Inlet Gully Raising Piece is an extension component designed to increase the installed height of compatible back inlet gullies. Ideal for adjustments to finished ground levels, it helps achieve correct alignment with paving or surface finishes.
£9.37 INC VAT
Back Inlet Roddable Gully 90 deg Outlet Rectangular Grid*
The Brett Martin Back Inlet Roddable Gully (90° Outlet) with Rectangular Grid is a durable surface water drainage gully designed for efficient water collection and easy rodding access. With a back inlet and 90° outlet, it suits domestic and commercial drainage layouts.
£20.58 INC VAT
Back Inlet Roddable Gully 90 deg Outlet Round Grid*
The Brett Martin Back Inlet Roddable Gully (90° Outlet) with Round Grid is a robust surface water drainage gully designed for rodding access and efficient collection of rainwater. Featuring a back inlet and 90° outlet, it provides a practical connection point for underground drainage systems.
£20.58 INC VAT
Back Inlet Roddable Gully 90 deg Outlet Square Grid*
The Brett Martin Back Inlet Roddable Gully (90° Outlet) with Square Grid is a durable surface water gully designed for efficient run-off collection and straightforward rodding access. Featuring a back inlet and 90° outlet, it’s ideal for maintainable external drainage connections.
£20.58 INC VAT
BLUE MDPE PIPE 20MM X 100M
MDPE Water Pipe – 100m – 20mm. Underground potable water supply installations.
£116.51 INC VAT
BLUE MDPE PIPE 20MM X 25M
MDPE Water Pipe – 25m – 20mm. Underground potable water supply installations.
£29.13 INC VAT
BLUE MDPE PIPE 20MM X 50M
MDPE Water Pipe – 50m – 20mm. Underground potable water supply installations.
£58.25 INC VAT
BLUE MDPE PIPE 25MM X 100M
MDPE Water Pipe – 100m – 25mm. Underground potable water supply installations.
£143.60 INC VAT
BLUE MDPE PIPE 25MM X 25M
MDPE Water Pipe – 25m – 25mm. Underground potable water supply installations.
£35.90 INC VAT
BLUE MDPE PIPE 25MM X 50M
MDPE Water Pipe – 50m – 25mm. Underground potable water supply installations.
£71.80 INC VAT
BLUE MDPE PIPE 32MM X 100M
MDPE Water Pipe – 100m – 32mm. Underground potable water supply installations.
£233.01 INC VAT
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