Drainage & Utility Works
Underground infrastructure expertise ensuring reliable drainage, utilities, and long-term property functionality.
Critical Infrastructure, Expert Execution
Drainage and utility systems are the backbone of any property—hidden but essential. At Earthmates Construction, we specialise in designing, installing, and maintaining the underground infrastructure that keeps your property functioning reliably for decades.
Whether you're dealing with foul drainage (sewage systems), surface water management, gas, water, or electrical utilities, our engineers have the technical expertise, equipment, and compliance knowledge to deliver solutions that meet strict building codes and environmental standards.
From new installations on greenfield sites to troubleshooting and repairing existing systems, we combine technical precision with practical problem-solving. We understand soil conditions, local regulations, and best practices to ensure your drainage and utilities work perfectly.
We work closely with utilities companies, building control, and environmental agencies to navigate the complexities of underground work. Our projects are delivered safely, on time, and to the highest professional standards.
Our Services
Complete underground and utility infrastructure solutions
Foul Drainage Systems
Design and installation of sewage systems from property to mains connection. We handle treatment systems, septic tanks for off-mains properties, and sustainable drainage solutions.
Surface Water Drainage
Rainwater management systems protecting your property from flooding. We design sustainable drainage solutions (SuDS) that comply with environmental regulations.
Water Mains Installation
New water supply lines, connections, and pressure systems. We coordinate with water companies and ensure all work meets health and safety standards.
Gas Installation & Safety
Gas pipeline installation, connections, and safety testing. All work performed by certified Gas Safe engineers ensuring compliance and reliability.
Electrical Underground Works
Underground power distribution, cable laying, and trench work. We handle all electrical infrastructure safely and to Building Regulations standards.
Drainage Repair & Maintenance
Diagnosis and repair of blocked, damaged, or failing drainage systems. We use CCTV surveys to identify problems and deliver targeted solutions.
Technical Expertise & Equipment
Professional-grade solutions backed by certified engineers and modern equipment
CCTV Surveys
High-resolution camera inspection of drainage systems to identify blockages, damage, and structural issues without excavation.
Hydro Jetting
High-pressure water cleaning for blocked pipes and drains. Effective, non-invasive, and environmentally friendly solution.
Engineering Design
Professional CAD design and planning ensuring systems meet regulations and site-specific conditions.
Compliance Testing
Pressure testing, smoke testing, and Building Control certification ensuring all systems meet standards.
Complex Problems, Practical Solutions
When standard approaches don't work, our engineers find creative, compliant solutions
Difficult Site Conditions
Rock, clay, high water table, or contaminated soil? We adapt our methods and use specialist equipment to deliver solutions safely and effectively.
Off-Mains Solutions
For properties without mains drainage, we design and install treatment systems that are reliable, compliant, and environmentally responsible.
Retrofit & Upgrade
Upgrading or replacing existing systems while managing access constraints and maintaining operations? We've done it many times.
Regulatory Coordination
We handle all applications, approvals, and inspections required by Building Control, Environment Agency, and utilities companies.
Our Process
Systematic approach to underground infrastructure delivery
Survey & Assessment
We conduct site surveys, soil investigations, and utility locates to understand existing conditions. For problem systems, we perform CCTV inspections to diagnose issues accurately.
Engineering Design
Our engineers develop detailed designs meeting all Building Regulations, environmental standards, and utility company requirements. We discuss options and recommendations with you before proceeding.
Regulatory Applications
We handle all applications to Building Control, utilities companies, and environmental agencies. We manage approvals and coordinate inspections, keeping you informed throughout.
Safe Installation
Our teams execute work safely and to spec, coordinating with utilities and adhering to stringent health & safety protocols. We minimise disruption and maintain site safety throughout.
Testing & Certification
We conduct all necessary pressure tests, smoke tests, and inspections. Once approved, we obtain Building Control sign-off and provide comprehensive documentation for your records.
Ready to Start Your Project?
Get in touch with our team today for a free consultation and quote. Let's bring your vision to life.