null

Drainage

Drainage moves surface water away from an area. Drainage products from sump units, gratings, couplings, end caps and much more; Howarth have everything you need to complete your drainage system. 

Filters

Check local branch stock

  • Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Black 46 x 135 x 78mm Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Black 46 x 135 x 78mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Black 46 x 135 x 78mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Black 46 x 135 x 78mm is a quick & easy product to Install due to it's lightweight and durable nature. Used to hold the 114mm Squarestyle gutter in place. It features an integral flexible...
  • Brett Martin Rainwater 114mm Squarestyle Gutter Black 4000 x 114 x 62mm Brett Martin Rainwater 114mm Squarestyle Gutter Black 4000 x 114 x 62mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Black 4000 x 114 x 62mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Black 4000 x 114 x 62mm is a quick & easy product to Install due to it's lightweight and durable nature. The contemporary style gutter is suitable for larger domestic roofs and is compatible with the 65mm...
  • Brett Martin Rainwater 65mm Square Downpipe Bracket Black 112 x 95 x 20mm

    Brett Martin Rainwater 65mm Square Downpipe Bracket Black 112 x 95 x 20mm

    Brett Martin Rainwater 65mm Square Downpipe Bracket Black 112 x 95 x 20mm is a quick & easy product to Install due to it's lightweight and durable nature. Used to fix Brett Martin's 65mm square downpipe to the wall. All Brett Martin products are...
  • Brett Martin Rainwater 114mm Squarestyle External Stopend Black 50 x 135 x 79mm Brett Martin Rainwater 114mm Squarestyle External Stopend Black 50 x 135 x 79mm

    Brett Martin Rainwater 114mm Squarestyle External Stopend Black 50 x 135 x 79mm

    Brett Martin Rainwater 114mm Squarestyle External Stopend Black 50 x 135 x 79mm is a quick & easy product to Install due to it's lightweight and durable nature. A range of quality uPVC Rainwater gutter and downpipe systems are suitable for both new build...
  • Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Arctic White 46 x 135 x 78mm Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Arctic White 46 x 135 x 78mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Arctic White 46 x 135 x 78mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Support Bracket Arctic White 46 x 135 x 78mm is a quick & easy product to Install due to it's lightweight and durable nature. Used to hold the 114mm Squarestyle gutter in place. It features an integral...
  • Brett Martin 40mm Waste Pipe P/P Black 3000 x 41 x 41mm

    Brett Martin 40mm Waste Pipe P/P Black 3000 x 41 x 41mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Cascade Rainwater 112mm Roundstyle Rise & Fall Bracket Coated Black 280 x 155 x 20mm Cascade Rainwater 112mm Roundstyle Rise & Fall Bracket Coated Black 280 x 155 x 20mm

    Cascade Rainwater 112mm Roundstyle Rise & Fall Bracket Coated Black 280 x 155 x 20mm

    This metal rise and fall bracket, coated in black, is used to fix Brett Martin’s 112mm Roundstyle gutter system to buildings without a fascia board, commonly found on barns and country houses. It comes with a 310mm drive in spike for inserting into the...
  • Brett Martin 32mm 90' Solvent Knuckle Bend Black 60 x 60 x 36mm

    Brett Martin 32mm 90' Solvent Knuckle Bend Black 60 x 60 x 36mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Brett Martin 110mm Integral Rectangular Hopper Black 275 x 225 x 180mm

    Brett Martin 110mm Integral Rectangular Hopper Black 275 x 225 x 180mm

    Low trapped rectangular gully for use with 110mm drainage system. All Brett Martin products are manufactured under a quality management system certified to BS EN ISO 9001:2015 offering you peace of mind that these products will satisfy current industry...
  • Brett Martin Rainwater 114mm Squarestyle Gutter Union Bracket Black 102 x 135 x 79mm Brett Martin Rainwater 114mm Squarestyle Gutter Union Bracket Black 102 x 135 x 79mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Union Bracket Black 102 x 135 x 79mm

    Brett Martin Rainwater 114mm Squarestyle Gutter Union Bracket Black 102 x 135 x 79mm is a quick & easy product to Install due to it's lightweight and durable nature. A range of quality uPVC Rainwater gutter and downpipe systems are suitable for both new...
  • Brett Martin Rainwater 65mm Square Downpipe Shoe Black 100 x 140 x 65mm

    Brett Martin Rainwater 65mm Square Downpipe Shoe Black 100 x 140 x 65mm

    Brett Martin Rainwater 65mm Square Downpipe Shoe Black 100 x 140 x 65mm is a quick & easy product to Install due to it's lightweight and durable nature. A range of quality uPVC Rainwater gutter and downpipe systems are suitable for both new build and...
  • Brett Martin Rectangular Hopper And Grid Black 290 x 210 x 100mm

    Brett Martin Rectangular Hopper And Grid Black 290 x 210 x 100mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Rectangular Hopper And Grid Black 290 x 210 x 100mm are manufactured...
  • Brett Martin Square Hopper And Grid Black 210 x 210 x 140mm

    Brett Martin Square Hopper And Grid Black 210 x 210 x 140mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Square Hopper And Grid Black 210 x 210 x 140mm are manufactured under...
  • Cascade Rainwater 68mm Round Cast Iron Effect 75mm Offset Black 240 x 143 x 70mm

    Cascade Rainwater 68mm Round Cast Iron Effect 75mm Offset Black 240 x 143 x 70mm

    Cascade Rainwater 68mm Round Cast Iron Effect 75mm Offset Black 240 x 143 x 70mm is a quick & easy product to Install due to it's lightweight and durable nature. A range of quality uPVC Rainwater gutter and downpipe systems are suitable for both new...
  • Brett Martin 110mm Plain End Soil Pipe Black

    Brett Martin 110mm Plain End Soil Pipe Black

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Brett Martin 110mm Rodding Point Socketed & Sealed Silver 188 x 135 x 135mm

    Brett Martin 110mm Rodding Point Socketed & Sealed Silver 188 x 135 x 135mm

    Metal rodding point with socket and seal for inspection of 110mm drainage layouts. All Brett Martin products are manufactured under a quality management system certified to BS EN ISO 9001:2015 offering you peace of mind that these products will satisfy...
  • Brett Martin 160mm Rodding Point Socketed And Sealed Silver 254 x 190 x 190mm

    Brett Martin 160mm Rodding Point Socketed And Sealed Silver 254 x 190 x 190mm

    Oval metal rodding point with socket and seal for inspection of 160mm drainage layouts. All Brett Martin products are manufactured under a quality management system certified to BS EN ISO 9001:2015 offering you peace of mind that these products will...
  • Brett Martin Rainwater 112mm Roundstyle External Stopend Black 40 x 135 x 84mm Brett Martin Rainwater 112mm Roundstyle External Stopend Black 40 x 135 x 84mm

    Brett Martin Rainwater 112mm Roundstyle External Stopend Black 40 x 135 x 84mm

    Brett Martin Rainwater 112mm Roundstyle External Stopend Black 40 x 135 x 84mm is a quick & easy product to Install due to it's lightweight and durable nature. This fits to the end of the 112mm Roundstyle gutter length on the outside and prevents...
  • Brett Martin Rainwater 114mm Squarestyle Running Outlet Black 179 x 135 x 130mm Brett Martin Rainwater 114mm Squarestyle Running Outlet Black 179 x 135 x 130mm

    Brett Martin Rainwater 114mm Squarestyle Running Outlet Black 179 x 135 x 130mm

    Brett Martin Rainwater 114mm Squarestyle Running Outlet Black 179 x 135 x 130mm is a quick & easy product to Install due to it's lightweight and durable nature. A range of quality uPVC Rainwater gutter and downpipe systems are suitable for both new build...
  • Brett Martin Rainwater 68mm Round Downpipe Shoe Black 146 x 92 x 73mm

    Brett Martin Rainwater 68mm Round Downpipe Shoe Black 146 x 92 x 73mm

    Fits to the base of the 68mm round downpipe to direct rainwater into the gully or other soakaway All Brett Martin products are manufactured under a quality management system certified to BS EN ISO 9001:2015 offering you peace of mind that these products...
  • Brett Martin Round Hopper And Grid Black 210 x 210 x 80mm

    Brett Martin Round Hopper And Grid Black 210 x 210 x 80mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Round Hopper And Grid Black 210 x 210 x 80mm are manufactured under a...
  • Cascade Rainwater 112mm Roundstyle Cast Iron Effect Gutter Black 4000 x 112 x 51mm Cascade Rainwater 112mm Roundstyle Cast Iron Effect Gutter Black 4000 x 112 x 51mm

    Cascade Rainwater 112mm Roundstyle Cast Iron Effect Gutter Black 4000 x 112 x 51mm

    Cascade Rainwater 112mm Roundstyle Cast Iron Effect Gutter Black 4000 x 112 x 51mm is a quick & easy product to Install due to it's lightweight and durable nature. This classic 112mm roundstyle gutter is ideal for a range of single and multi-storey...
  • Cascade Rainwater 65mm Square Cast Iron Effect 92.5' Spigot Bend Black 100 x 95 x 65mm

    Cascade Rainwater 65mm Square Cast Iron Effect 92.5' Spigot Bend Black 100 x 95 x 65mm

    Cascade Rainwater 65mm Square Cast Iron Effect 92.5' Spigot Bend Black 100 x 95 x 65mm is a quick & easy product to Install due to it's lightweight and durable nature. This is commonly used to allow the 65mm square downpipe to connect to the running...
  • Cascade Rainwater 68mm Round Cast Iron Effect Downpipe Bracket Black 100 x 22 x 114mm

    Cascade Rainwater 68mm Round Cast Iron Effect Downpipe Bracket Black 100 x 22 x 114mm

    Cascade Rainwater 68mm Round Cast Iron Effect Downpipe Bracket Black 100 x 22 x 114mm is a quick & easy product to Install due to it's lightweight and durable nature. Allows the 68mm cast iron effect round downpipe to be fixed to walls or other surfaces...

Drainage

The drainage of rainwater is significantly important when starting a construction project, as without any efficient drainage we would be prone to increased flooding, which could ultimately cause problems for buildings and the land itself.

Howarth Timber & Building Supplies works closely with ACO to provide solutions for surface water control, and our plastic drainage systems are lightweight and easy to use while offering flexibility and strength.

Our rainwater plastic plumbing systems are designed to collect and move rainwater to either allow for harvesting (ideal for watering the garden) or direct it into the main drainage system. This is especially important to do around buildings to prevent damage caused by a build-up of water. 

If you are interested in purchasing any drainage pipes or products, or are just seeking further advice, please contact your local friendly Howarth branch.

How to guides


Residential drainage solutions

Let’s look at the features to consider when installing residential water management solutions…


A Class Apart: Drainage Load Classes

A class apart: all you need to know when it comes to drainage.