• Off-Mains Sewage & Drainage Specialists
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CESS engineers installing an STP plant and pumping out storm drains

1990

30 Years Experience

Drainage Experts

At CESS, we specialise in modern solutions for off-mains septic systems and wastewater treatment. We are a family-run business with over 30 years of experience as drainage contractors in Surrey and West Sussex, serving a range of domestic and commercial customers.

Our installers are approved by leading UK sewage treatment plant manufacturers. We specialise in maintaining septic tanks and installing modern sewage treatment plants, all in compliance with 2020 UK environmental laws.

As experts in domestic wastewater treatment plants, we offer free septic tank compliance surveys to ensure your system meets the new regulations. We also provide a range of drainage services that include CCTV surveys and repairs, soakaways and drainage fields, and eco-friendly solutions such as rainwater harvesting systems.

Get in touch with our experts to see how CESS can bring your off-mains drainage system up to speed.

600 +

Installations

1000 +

Drain Surveys

30 +

Years' Experience

Free Septic Tank Compliance Survey

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