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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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Manhole Cover – 450mm Square – Heavy Duty Save up to 48% Save %

Round to Square Manhole Cover & Frame | A15 (320mm / 450mm)

£37.80 Incl. Vat
£37.80 Incl. Vat - £37.80 Incl. Vat
£37.80 Incl. Vat
from £19.50 Incl. Vat
from £19.50 Incl. Vat
£19.50 Incl. Vat

These round to square manhole covers and frames are made for inspection chamber access in pedestrian areas, giving a neat square finish while match...

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£37.80 Incl. Vat
£37.80 Incl. Vat - £37.80 Incl. Vat
£37.80 Incl. Vat
from £19.50 Incl. Vat
from £19.50 Incl. Vat
£19.50 Incl. Vat
Save up to 48% Save %
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Underground Manhole Base 450mm Save 27% Save %

Underground Manhole Base 450mm

£32.95 Incl. Vat
£32.95 Incl. Vat - £32.95 Incl. Vat
£32.95 Incl. Vat
£23.99 Incl. Vat
from £23.99 Incl. Vat
£23.99 Incl. Vat

450mm inspection chamber base for underground drains. Accepts multiple 110mm inlets and connects securely to risers and lids.

£32.95 Incl. Vat
£32.95 Incl. Vat - £32.95 Incl. Vat
£32.95 Incl. Vat
£23.99 Incl. Vat
from £23.99 Incl. Vat
£23.99 Incl. Vat
Save 27% Save %
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Channel Drainage Domestic with Plastic Grate 1m
Channel Drainage Domestic with Plastic Grate 1m Save 21% Save %

Channel Drainage Domestic with Plastic Grate 1m

£12.00 Incl. Vat
£12.00 Incl. Vat - £12.00 Incl. Vat
£12.00 Incl. Vat
£9.50 Incl. Vat
from £9.50 Incl. Vat
£9.50 Incl. Vat

Channel Drainage Domestic with Plastic Grate 1m This channel drainage is an easy and effective way of removing unwanted standing water into a domes...

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£12.00 Incl. Vat
£12.00 Incl. Vat - £12.00 Incl. Vat
£12.00 Incl. Vat
£9.50 Incl. Vat
from £9.50 Incl. Vat
£9.50 Incl. Vat
Save 21% Save %
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Channel Drainage Corner Piece

Channel Drainage Corner Piece

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£8.49 Incl. Vat
from £8.49 Incl. Vat
£8.49 Incl. Vat

Channel Drainage Corner Piece Knock out which side you want the water to come out Goes round corners Can also make a T - Piece

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£8.49 Incl. Vat
from £8.49 Incl. Vat
£8.49 Incl. Vat
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Channel Drainage End Cap x 2 Plus Vent

Channel Drainage End Cap

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£3.50 Incl. Vat
from £3.50 Incl. Vat
£3.50 Incl. Vat

Pair of channel drainage end caps with built-in vent. Provides a secure end seal and airflow for linear drainage systems. 

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£3.50 Incl. Vat
from £3.50 Incl. Vat
£3.50 Incl. Vat
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