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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.

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    Picture of 40mm Solvent Waste 92 1/2 deg Solvent Swept Tee White Polar

    40mm Solvent Waste 92 1/2 deg Solvent Swept Tee White Polar

    The Brett Martin 40mm Solvent Waste 92 1/2 deg Solvent Swept Tee White Polar is a durable PVCu waste swept tee designed to provide a secure and practical solution for domestic waste pipe installations.
    £1.33 INC VAT
    Picture of 40mm Solvent Waste Solvent Straight Connector White Polar

    40mm Solvent Waste Solvent Straight Connector White Polar

    The Brett Martin 40mm Solvent Waste Solvent Straight Connector White Polar is a durable PVCu waste straight connector designed to provide a secure and practical solution for domestic waste pipe installations.
    £1.25 INC VAT
    Picture of 440 x 380mm, Straight Bar, G & F D400 Gully Grating & Frame (28)

    440 x 380mm, Straight Bar, G & F D400 Gully Grating & Frame (28)

    440 × 380mm Straight Bar Gully Grating & Frame D400 is a heavy-duty surface water drainage solution designed for use in highways, carriageways, and other trafficked environments where high load capacity and long-term durability are essential.…
    £70.95 INC VAT
    Picture of 440 x 400mm, Straight bar, G & F EJ Ultra D400 Gully Grating & Frame (1)

    440 x 400mm, Straight bar, G & F EJ Ultra D400 Gully Grating & Frame (1)

    440 × 400mm Straight Bar EJ Ultra D400 Gully Grating & Frame is a high-performance surface water drainage solution designed for use in highways, carriageways, and heavily trafficked areas where strength, safety, and durability are critical.…
    £128.07 INC VAT
    Picture of 450 x 450mm "Block Pavior" 10 Tonne GLVW, Poly Frame (12)

    450 x 450mm "Block Pavior" 10 Tonne GLVW, Poly Frame (12)

    The 450 × 450mm “Block Pavior” 10 Tonne GLVW Access Cover with Galvanised Infill Tray and Poly Frame is a discreet, light-vehicle rated access solution designed for paved environments where a seamless surface finish and corrosion resistance are essential.…
    £61.26 INC VAT
    Picture of 450 x 450mm "Block Pavior" 5 Tonne GLVW, All Steel Frame (18)

    450 x 450mm "Block Pavior" 5 Tonne GLVW, All Steel Frame (18)

    The 450 × 450mm “Block Pavior” 5 Tonne GLVW Access Cover with Galvanised Infill Tray and All-Steel Frame is a versatile, discreet access solution designed for pedestrian and domestic paved areas where a flush, visually consistent finish is required.…
    £90.32 INC VAT
    Picture of 450mm Dia x 25mm, C & F B125 Ductile Iron Access Cover (23)

    450mm Dia x 25mm, C & F B125 Ductile Iron Access Cover (23)

    450mm Dia × 25mm Ductile Iron Access Cover & Frame B125 is a durable access cover system designed for pedestrian and light-duty traffic areas where strength, safety, and long-term performance are required.…
    £46.86 INC VAT
    Picture of 450mm Dia x 30mm,  C & F A15 Polypropylene Access Cover & Frame (11)

    450mm Dia x 30mm, C & F A15 Polypropylene Access Cover & Frame (11)

    450mm Dia × 30mm Polypropylene Access Cover & Frame A15 is a lightweight access cover system designed for pedestrian and domestic areas where a practical, corrosion-resistant solution is required.…
    £20.84 INC VAT
    Picture of 450mm Dia. Chamber Base (225mm Invert) (Inc. 3 Socket Plugs) 110mm

    450mm Dia. Chamber Base (225mm Invert) (Inc. 3 Socket Plugs) 110mm

    The Brett Martin 450mm Dia. Chamber Base (225mm Invert) with 3 Socket Plugs – 110mm is a versatile inspection chamber base for 110mm drainage systems. Supplied with socket plugs for unused inlets, it supports flexible chamber configuration with reliable access for maintenance.
    £33.91 INC VAT
    Picture of 450mm Dia. Chamber Base (225mm Invert) (Inc. 3 Socket Plugs) 160mm

    450mm Dia. Chamber Base (225mm Invert) (Inc. 3 Socket Plugs) 160mm

    The Brett Martin 450mm Dia. Chamber Base (225mm Invert) with 3 Socket Plugs – 160mm is a robust inspection chamber base designed for 160mm drainage systems. With a 450mm chamber diameter and included socket plugs, it supports flexible configuration and practical access for maintenance.
    £58.62 INC VAT
    Picture of 450mm Dia. Chamber Riser (315mm Invert)

    450mm Dia. Chamber Riser (315mm Invert)

    The Brett Martin 450mm Dia. Chamber Riser (315mm Invert) is an extension section designed to increase the height of compatible 450mm inspection chambers. Ideal for matching finished ground levels, it supports accurate installation and reliable long-term access.
    £24.28 INC VAT
    Picture of 450mm Sealing Ring (For Use With B5397)

    450mm Sealing Ring (For Use With B5397)

    The Brett Martin 450mm Sealing Ring (For Use With B5397) is a sealing accessory designed to improve watertight performance between compatible chamber components. Used with the specified system part, it helps maintain secure sealing and reliable chamber integrity.
    £3.28 INC VAT
    Picture of 5027210 PLASSON 3/4 X 1/2 BUSH

    5027210 PLASSON 3/4 X 1/2 BUSH

    Reducing Bush – 4x1. Adapt between different threaded connection sizes.
    £2.52 INC VAT
    Picture of 50mm Solvent Waste 3m P/E Solvent Waste Pipe White Polar

    50mm Solvent Waste 3m P/E Solvent Waste Pipe White Polar

    The Brett Martin 50mm Solvent Waste 3m P/E Solvent Waste Pipe White Polar is a durable PVCu waste pipe fitting designed to provide a secure and practical solution for domestic waste pipe installations.
    £13.36 INC VAT
    Picture of 600 x 450 x 27mm Cast iron, C & F A15 Access Cover

    600 x 450 x 27mm Cast iron, C & F A15 Access Cover

    600 × 450 × 27mm Cast Iron Access Cover & Frame A15 is a robust access cover system designed for pedestrian and domestic environments where durability, stability, and a traditional cast iron finish are required.…
    £61.51 INC VAT
    Picture of 600 x 450 x 40mm, C & F B125 Ductile Iron Access Cover (2)

    600 x 450 x 40mm, C & F B125 Ductile Iron Access Cover (2)

    600 × 450 × 40mm Ductile Iron Access Cover & Frame B125 is a robust access cover system designed for pedestrian and light-duty traffic areas where strength, safety, and durability are required.…
    £72.84 INC VAT
    Picture of 600 x 450mm "Block Pavior" 10 Tonne GLVW, All Steel Frame (19)

    600 x 450mm "Block Pavior" 10 Tonne GLVW, All Steel Frame (19)

    The 600 × 450mm “Block Pavior” 10 Tonne GLVW Access Cover with Galvanised Infill Tray and All-Steel Frame is a discreet, light-duty access solution designed to blend seamlessly into paved surfaces.…
    £85.17 INC VAT
    Picture of 600 x 450mm "Block Pavior" 10 Tonne GLVW, Poly Frame (13)

    600 x 450mm "Block Pavior" 10 Tonne GLVW, Poly Frame (13)

    The 600 × 450mm “Block Pavior” 10 Tonne GLVW Access Cover with Galvanised Infill Tray and Poly Frame is a discreet, light-duty access solution designed to integrate seamlessly into block-paved and slabbed surfaces.…
    £57.94 INC VAT
    Picture of 600 X 450mm "Slim-Tray" 10 Tonne GLVW, All Steel Frame (25)

    600 X 450mm "Slim-Tray" 10 Tonne GLVW, All Steel Frame (25)

    The 600 × 450mm “Slim-Tray” 10 Tonne GLVW Access Cover with Galvanised Lid and All-Steel Frame is a low-profile, light-duty access solution designed for pedestrian areas and locations subject to occasional light vehicle loading.…
    £95.75 INC VAT
    Picture of 600 x 450mm "Slim-Tray" 10 Tonne GLVW, Poly Frame (21)

    600 x 450mm "Slim-Tray" 10 Tonne GLVW, Poly Frame (21)

    The 600 × 450mm “Slim-Tray” 10 Tonne GLVW Access Cover with Galvanised Lid and Poly Frame is a low-profile, light-duty access solution designed for pedestrian areas and locations subject to occasional light vehicle loading where installation depth is restricted.…
    £60.60 INC VAT