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Underground Drainage

Our underground drainage systems offer reliable, high-performance solutions for managing surface and foul water below ground. The range includes 110mm pipes, bends, junctions, gullies, inspection chambers, and connectors — all designed for strength, ease of installation, and long-term resistance to corrosion and ground pressure. Suitable for domestic and light commercial use, each component is made from durable uPVC and fully compatible with standard underground fittings.

Underground Drainage System Guide

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Underground Rectangular Hopper - 110mm Save 23% Save %

Underground Rectangular Hopper - 110mm

£16.79 Incl. Vat
£16.79 Incl. Vat - £16.79 Incl. Vat
£16.79 Incl. Vat
£12.99 Incl. Vat
from £12.99 Incl. Vat
£12.99 Incl. Vat

Rectangular hopper for 110mm pipe systems. Collects water from downpipes or ground level into underground drainage.

£16.79 Incl. Vat
£16.79 Incl. Vat - £16.79 Incl. Vat
£16.79 Incl. Vat
£12.99 Incl. Vat
from £12.99 Incl. Vat
£12.99 Incl. Vat
Save 23% Save %
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Underground Bottle Gully Standard - 110mm

Underground Bottle Gully Standard - 110mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£11.99 Incl. Vat
from £11.99 Incl. Vat
£11.99 Incl. Vat

The 110mm Underground Bottle Gully is a standard gully trap designed to collect waste water from external sources such as rainwater pipes, kitchen ...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£11.99 Incl. Vat
from £11.99 Incl. Vat
£11.99 Incl. Vat
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Underground Square Hopper - 110mm

Underground Square Hopper - 110mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£9.59 Incl. Vat
from £9.59 Incl. Vat
£9.59 Incl. Vat

The Underground Square Hopper 110mm is designed to collect surface water from downpipes, patios, or driveways and direct it into underground draina...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£9.59 Incl. Vat
from £9.59 Incl. Vat
£9.59 Incl. Vat
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Underground Universal Gully P Trap - 110mm

Underground Universal Gully P Trap - 110mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£12.99 Incl. Vat
from £12.99 Incl. Vat
£12.99 Incl. Vat

110mm underground P-trap gully. Traps water to block smells and provides drainage for foul or surface water connections.

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£12.99 Incl. Vat
from £12.99 Incl. Vat
£12.99 Incl. Vat
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Underground Universal Gulley Trap 45° – 110mm

Underground Universal Gulley Trap 45° – 110mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£7.88 Incl. Vat
from £7.88 Incl. Vat
£7.88 Incl. Vat

Universal 110mm gully trap with 45° outlet for surface or foul water. Prevents odour escape while allowing water drainage.

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£7.88 Incl. Vat
from £7.88 Incl. Vat
£7.88 Incl. Vat
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Underground 4" Plastic to 4" Plastic - 110mm

Underground 4" Plastic to 4" Plastic - 110mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£7.99 Incl. Vat
from £7.99 Incl. Vat
£7.99 Incl. Vat

This Underground 4" Plastic to 4" Plastic Connector provides a reliable join between two 110mm (4") plastic drainage pipes. Supplied with two adjus...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£7.99 Incl. Vat
from £7.99 Incl. Vat
£7.99 Incl. Vat
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Underground 5" Clay to 4" Plastic

Underground 5" Clay to 4" Plastic

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£7.99 Incl. Vat
from £7.99 Incl. Vat
£7.99 Incl. Vat

This Underground 5" Clay to 4" Plastic Connector is designed to securely join traditional clay drainage pipes to modern 110mm plastic pipework. It ...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£7.99 Incl. Vat
from £7.99 Incl. Vat
£7.99 Incl. Vat
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Manhole Cover 320mm Round
Save 23% Save %

Manhole Cover 320mm Round

£23.99 Incl. Vat
£23.99 Incl. Vat - £23.99 Incl. Vat
£23.99 Incl. Vat
£18.50 Incl. Vat
from £18.50 Incl. Vat
£18.50 Incl. Vat

Manhole Cover 320mm Round – Strong, durable, and reliable access cover for underground drainage systems. Designed for secure and long-lasting perfo...

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£23.99 Incl. Vat
£23.99 Incl. Vat - £23.99 Incl. Vat
£23.99 Incl. Vat
£18.50 Incl. Vat
from £18.50 Incl. Vat
£18.50 Incl. Vat
Save 23% Save %
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Underground Manhole Riser 320mm
Save 34% Save %

Underground Manhole Riser 320mm

£9.80 Incl. Vat
£9.80 Incl. Vat - £9.80 Incl. Vat
£9.80 Incl. Vat
£6.50 Incl. Vat
from £6.50 Incl. Vat
£6.50 Incl. Vat

The 320mm Underground Manhole Riser is used to extend the height of 320mm inspection chambers to meet ground level. It provides a secure, adjustabl...

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£9.80 Incl. Vat
£9.80 Incl. Vat - £9.80 Incl. Vat
£9.80 Incl. Vat
£6.50 Incl. Vat
from £6.50 Incl. Vat
£6.50 Incl. Vat
Save 34% Save %
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Underground Manhole Base 320mm
Save 29% Save %

Underground Manhole Base 320mm

£23.99 Incl. Vat
£23.99 Incl. Vat - £23.99 Incl. Vat
£23.99 Incl. Vat
£16.99 Incl. Vat
from £16.99 Incl. Vat
£16.99 Incl. Vat

320mm underground inspection chamber base. Joins multiple 110mm pipes for access and maintenance below ground.

£23.99 Incl. Vat
£23.99 Incl. Vat - £23.99 Incl. Vat
£23.99 Incl. Vat
£16.99 Incl. Vat
from £16.99 Incl. Vat
£16.99 Incl. Vat
Save 29% Save %
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Underground Manhole Riser 450mm
Save 17% Save %

Underground Manhole Riser 450mm

£16.79 Incl. Vat
£16.79 Incl. Vat - £16.79 Incl. Vat
£16.79 Incl. Vat
£13.95 Incl. Vat
from £13.95 Incl. Vat
£13.95 Incl. Vat

Underground Manhole Riser 450mm

£16.79 Incl. Vat
£16.79 Incl. Vat - £16.79 Incl. Vat
£16.79 Incl. Vat
£13.95 Incl. Vat
from £13.95 Incl. Vat
£13.95 Incl. Vat
Save 17% Save %
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Manhole Cover 450mm Round
Save 45% Save %

Manhole Cover 450mm Round

£35.99 Incl. Vat
£35.99 Incl. Vat - £35.99 Incl. Vat
£35.99 Incl. Vat
£19.95 Incl. Vat
from £19.95 Incl. Vat
£19.95 Incl. Vat

Manhole Cover 450mm Round – Durable and secure access cover for underground drainage systems. Strong construction for long-lasting performance.    

£35.99 Incl. Vat
£35.99 Incl. Vat - £35.99 Incl. Vat
£35.99 Incl. Vat
£19.95 Incl. Vat
from £19.95 Incl. Vat
£19.95 Incl. Vat
Save 45% Save %
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