Drainage Groundworks Services
From small domestic projects to large commercial installations, Clearmasters Environmental provide professional drainage groundworks across the South East, 24/7, 365 days a year.
Working throughout Surrey, Sussex, Kent, Hampshire and London, we deliver high-quality drainage groundwork services for homes, businesses, and industrial sites. Whether you need new drains installed, existing pipework replaced, or surface water systems upgraded, our experienced team ensures your project is completed to the highest standards.

With over 34 years of experience, we’ve handled everything from small garden drainage installations to full-scale infrastructure projects. Our skilled engineers use modern equipment and proven methods to deliver reliable results with minimal disruption, while ensuring compliance with all current UK drainage and building regulations.
Please use the links below to explore more about our drainage groundwork services. If you’re unsure which solution best suits your property, contact our friendly and knowledgeable office team who will be happy to offer advice and arrange a site visit.
Manhole Repairs and Installations
We repair damaged or sunken manholes and install new access chambers, keeping your drainage system safe, compliant, and easy to maintain.
Inspection and Sampling Pits
Professional installation of inspection and sampling chambers for compliance testing, flow monitoring, and ongoing maintenance checks.
Drainage Field Instals and Repairs
Design, installation, and repair of drainage fields for septic tanks and treatment plants, ensuring reliable soakaway and compliance with UK regulations.
Drain Excavation and Repair
When no-dig solutions aren’t possible, our team carries out efficient drain excavations and replacements with minimal disruption to your property.
Treatment Plant Installations
Complete installation of sewage treatment plants for domestic and commercial properties, designed to meet 2020 environmental standards.
No Dig Repairs (Drain Lining)
Our no-dig drain lining service repairs cracked or damaged pipes internally, restoring strength and flow without excavation.
Soakaway Installations
Expert soakaway design and installation to manage surface water safely, reduce flooding risks, and keep your property compliant.
Gully Clearance
Regular gully cleaning and clearance to prevent flooding, blockages, and surface water build-up on roads, car parks, and driveways.
Can't find what you are looking for? Don’t worry, it could just be our terminology! Give us a call to discuss your needs and we will do everything we can to help.
Why choose us for your Drainage Groundworks services?
With over three decades of experience in drainage, Clearmasters Environmental are trusted experts in delivering reliable and compliant groundworks solutions. From small residential installations to large-scale commercial projects, our team ensures every job is completed to the highest standards with minimal disruption.
- Skilled and Experienced Groundworks Engineers
- Full Range of Services – from Manhole Repairs to Treatment Plant Installations
- Compliant with UK Building and Drainage Regulations
- Modern Equipment for Efficient, High-Quality Results
- Trusted and Approved by Checkatrade and Surrey Trading Standards
- Covering Domestic, Commercial, and Industrial Projects