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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 600MMX450MMX50MM STANDARD DUTY GREY FLAG

    600MMX450MMX50MM STANDARD DUTY GREY FLAG

    600mm × 450mm × 50mm Standard Duty Grey B.S. Flag is a high-quality concrete paving slab manufactured to British Standard (B.S.) specifications, making it suitable for domestic and light commercial landscaping projects where consistency, durability, and compliance are required.…
    £10.78 INC VAT
    Picture of 600MMX600MMX37MM STANDARD DUTY GREY FLAG

    600MMX600MMX37MM STANDARD DUTY GREY FLAG

    600mm × 600mm × 37mm Standard Duty Grey B.S. Flag is a high-quality concrete paving slab manufactured in accordance with British Standard (B.S.) specifications, making it suitable for domestic and light commercial landscaping applications where consistency, durability, and compliance are required.…
    £10.58 INC VAT
    Picture of 600MMX600MMX50MM STANDARD DUTY GREY FLAG

    600MMX600MMX50MM STANDARD DUTY GREY FLAG

    600mm × 600mm × 50mm Standard Duty Grey B.S. Flag is a high-quality concrete paving slab manufactured in accordance with British Standard (B.S.) specifications, making it suitable for domestic and light commercial landscaping applications where consistency, durability, and compliance are essential.…
    £11.21 INC VAT
    Picture of 63Z0063 63MM 90 DEG ELBOW MDPE

    63Z0063 63MM 90 DEG ELBOW MDPE

    MDPE Elbow – 63mm. Change direction within a water service pipe run.
    £46.11 INC VAT
    Picture of 750mm Invert x 450mm Dia Road Gully

    750mm Invert x 450mm Dia Road Gully

    The Brett Martin 750mm Invert x 450mm Dia Road Gully is a deep road gully unit designed for effective surface water collection in highway and heavy-duty external environments. With a 450mm diameter body and 750mm invert depth, it supports high-capacity drainage and maintenance access.
    £44.14 INC VAT
    Picture of 750MMX600MMX50MM STANDARD DUTY GREY FLAG

    750MMX600MMX50MM STANDARD DUTY GREY FLAG

    750mm × 600mm × 50mm Standard Duty Grey B.S. Flag is a high-quality concrete paving slab manufactured in accordance with British Standard (B.S.) specifications, making it suitable for domestic and light commercial landscaping applications where consistency, durability, and compliance are required.…
    £13.04 INC VAT
    Picture of 77017500 PLAS4 COUPLER 32 X 20-27 PLASSON

    77017500 PLAS4 COUPLER 32 X 20-27 PLASSON

    MDPE Coupler – 32x20. Join two compatible pipe lengths within a water service system.
    £28.36 INC VAT
    Picture of 78002  20MM PIPE LINER MDPE PLASSON

    78002 20MM PIPE LINER MDPE PLASSON

    Pipe Liner – 20mm. Support the end of service pipe within compatible compression fittings.
    £0.46 INC VAT
    Picture of 78003 25MM PIPE LINER MDPE PLASSON

    78003 25MM PIPE LINER MDPE PLASSON

    Pipe Liner – 25mm. Support the end of service pipe within compatible compression fittings.
    £0.47 INC VAT
    Picture of 78004 32MM PIPE LINER MDPE PLASSON

    78004 32MM PIPE LINER MDPE PLASSON

    Pipe Liner – 32mm. Support the end of service pipe within compatible compression fittings.
    £0.78 INC VAT
    Picture of 7930EC0 PLASSON REDUCING SET 32 X 20

    7930EC0 PLASSON REDUCING SET 32 X 20

    MDPE Reducing Set – 32x20 – Red. Join pipe or fitting connections of different diameters within underground water supply systems.
    £5.75 INC VAT
    Picture of 82.4mm Push Fit Soil 82.4mm / 110mm Air Admittance Valve (Internal Use Only) Black

    82.4mm Push Fit Soil 82.4mm / 110mm Air Admittance Valve (Internal Use Only) Black

    The Brett Martin 82.4mm Push Fit Soil 82.4mm / 110mm Air Admittance Valve (Internal Use Only) Black is a durable PVCu soil drainage pipe fitting designed to provide a secure and reliable connection within above-ground waste systems.
    £25.53 INC VAT
    Picture of 900mm Invert x 450mm Dia Road Gully

    900mm Invert x 450mm Dia Road Gully

    The Brett Martin 900mm Invert x 450mm Dia Road Gully is an extra-deep road gully designed for high-capacity surface water drainage in highways and heavy-duty environments. With a 450mm diameter and 900mm invert depth, it supports improved sediment capacity and drainage resilience.
    £44.75 INC VAT
    Picture of 900MMX600MMX50MM STANDARD DUTY GREY FLAG

    900MMX600MMX50MM STANDARD DUTY GREY FLAG

    900mm × 600mm × 50mm Standard Duty Grey B.S. Flag is a high-quality concrete paving slab manufactured in accordance with British Standard (B.S.) specifications, making it suitable for domestic and light commercial landscaping projects where consistency, durability, and compliance are required.…
    £13.74 INC VAT
    Picture of A142M MESH 3.6M X 2.0M  6mm 200x200

    A142M MESH 3.6M X 2.0M 6mm 200x200

    The A142 Reinforcing Mesh 3.6m × 2.0m is a light-duty welded steel reinforcement sheet designed to control cracking and improve the structural performance of concrete.…
    £28.51 INC VAT
    Picture of A252 MESH 3.6M X 2.0M 8mm 200x200

    A252 MESH 3.6M X 2.0M 8mm 200x200

    The A252 Reinforcing Mesh 3.6m × 2.0m is a medium-duty welded steel reinforcement sheet designed for concrete slabs and groundworks requiring increased strength and load distribution.…
    £50.15 INC VAT
    Picture of A393 MESH 3.6M X 2.0M 10mm 200x200

    A393 MESH 3.6M X 2.0M 10mm 200x200

    The A393 Reinforcing Mesh 3.6m × 2.0m is a heavy-duty welded steel reinforcement sheet designed for structural concrete applications where high load capacity and durability are required.…
    £79.28 INC VAT
    Picture of ACC COMP COVER/GALV FRAME 450x300 SL/TS 12.5T

    ACC COMP COVER/GALV FRAME 450x300 SL/TS 12.5T

    Access Chamber Comp Cover/Galv Frame 450X300 Sl/Ts 12.5T access chamber for underground drainage systems.
    £132.78 INC VAT
    Picture of ACC COMP COVER/GALV FRAME 600x600 SL/TS 12.5T

    ACC COMP COVER/GALV FRAME 600x600 SL/TS 12.5T

    Access Chamber Comp Cover/Galv Frame 600X600 Sl/Ts 12.5T access chamber for underground drainage systems.
    £222.53 INC VAT
    Picture of ACC NAYLOR METRO ACCESS BOX 450 x 300 x 330mm

    ACC NAYLOR METRO ACCESS BOX 450 x 300 x 330mm

    Access Chamber Naylor Metro Access Chamberess Box 450 X 300 X 330Mm access chamber for underground drainage systems.
    £38.33 INC VAT