Expert Drainage Systems in Devon & Cornwall
Professional drainage installation, septic tanks, sewage treatment plants, soakaways, and land drainage systems. Building regulations compliant, BRE365 certified, with 17+ years experience.
Professional Drainage Solutions for Devon & Cornwall
Effective drainage is essential for any property or construction project. Whether you need a complete drainage system for a new build, a septic tank or treatment plant installation for a property off mains sewerage, or land drainage to manage waterlogged fields - D Hall Plant Hire & Groundworks has the expertise and equipment to deliver professional results.
Based in Liskeard, Cornwall, we have over 17 years of experience installing all types of drainage systems across Devon and Cornwall. Our team includes skilled groundworkers and CPCS-certified plant operators who understand the importance of proper drainage design and installation.
All our drainage work is completed to current building regulations, with BRE365 compliance for soakaways, and we provide full certification for building control purposes.
Comprehensive Drainage Services
From septic tanks to surface water systems - complete drainage solutions for residential, commercial, and agricultural properties
Septic Tanks
Installation of septic tank systems with proper sizing, positioning, and connections. Complete system design and building regulation compliance.
Treatment Plants
Sewage treatment plant installation including Klargester, BioDisc, and other systems. Full design, installation, and commissioning service.
Soakaways
Soakaway design and installation to BRE365 standards. Percolation testing, sizing calculations, and proper construction for effective drainage.
Surface Water Drainage
Surface water drainage systems including rainwater management, gully installations, channel drains, and attenuation tanks.
Foul Water Drainage
Foul water drainage networks, sewer connections, pumping stations, and complete below-ground drainage installations.
Land Drainage
Agricultural land drainage, field drainage systems, French drains, and groundwater management solutions for waterlogged areas.
Drainage Repairs
Repair and maintenance of existing drainage systems including blockage clearance, pipe repairs, and system upgrades.
Mains Connections
New connections to mains sewerage systems, including excavation, pipe laying, and liaison with South West Water.
Drainage System Types We Install
Expert installation of all types of drainage systems with full certification and compliance
Septic Tank Systems
Traditional septic tank installations suitable for properties where mains drainage is not available. We install modern polymer tanks, concrete tanks, and complete systems including all pipework, inlet/outlet connections, and soakaways. Proper sizing based on household occupancy and designed to meet environmental standards.
Sewage Treatment Plants
Modern sewage treatment systems offering superior treatment levels compared to traditional septic tanks. We install all major brands including Klargester, BioDisc, and packaged treatment plants. These systems produce cleaner effluent suitable for discharge to watercourses or soakaways.
Soakaway Systems
Professional soakaway design and installation to BRE365 standards. We conduct percolation tests, calculate required sizes, and construct soakaways using modern crated systems or traditional stone-filled designs. Suitable for surface water, treated effluent, or rainwater drainage.
Land Drainage
Agricultural and field drainage solutions to manage waterlogged land, improve growing conditions, and prevent surface water issues. We install French drains, land drains, and comprehensive field drainage systems using modern materials and proven techniques.
Our Drainage Installation Process
Professional approach ensuring quality installations that meet all regulations and standards
Site Survey & Design
We conduct thorough site surveys including percolation tests, ground investigation, and water table assessment. Our team designs systems to meet building regulations and environmental requirements.
Planning & Permissions
We handle building control notifications, environmental permits where required, and ensure compliance with all regulations including BRE365 standards for soakaways.
Excavation & Installation
Professional excavation using our own plant machinery, installation of tanks/systems, proper bedding and backfilling, and all pipework connections completed to specification.
Testing & Commissioning
Full system testing including air tests, water tests, and commissioning of treatment plants. We provide all necessary certification and documentation for building control.
Why Choose D Hall for Drainage Systems?
Professional drainage contractor with proven expertise across Devon & Cornwall
Building Regulations Compliant
All work completed to current building regulations with proper certification
BRE365 Certified
Soakaway installations designed and built to BRE365 standards
17+ Years Experience
Extensive experience in all types of drainage systems across Cornwall & Devon
Expert Team
Skilled groundworkers and CPCS-certified plant operators
Drainage System Maintenance & Repairs
In addition to new installations, we offer comprehensive drainage maintenance and repair services. From blocked drains and collapsed pipes to system upgrades and soakaway repairs - our team can diagnose and fix drainage issues efficiently.
Drainage Repairs
Pipe repairs, blockage clearance, and system restoration
System Upgrades
Upgrade old systems to meet modern standards and regulations
Soakaway Repairs
Repair or replace failed soakaways and drainage fields
Important Drainage Information
Building Regulations
- All drainage work requires building control notification
- Septic tanks must be at least 7m from habitable buildings
- Treatment plant discharge may require Environment Agency permit
- Soakaways must be designed to BRE365 standards
System Sizing
- Tank sizing based on property occupancy and daily flow rates
- Percolation tests required for soakaway design
- Ground conditions and water table affect system design
- Proper gradient and pipe sizing for effective drainage
Maintenance Requirements
- Septic tanks should be emptied every 12-18 months
- Treatment plants require annual servicing
- Regular checks for drainage blockages and system function
- Keep drainage channels and gullies clear of debris
Common Issues
- Slow draining water indicates blockage or undersized pipes
- Surface water pooling suggests drainage capacity issues
- Smells indicate septic/treatment system problems
- Waterlogged ground may indicate failed soakaway
Drainage Services Across Devon & Cornwall
Based in Liskeard, we provide professional drainage installation and maintenance services throughout Devon and Cornwall
Cornwall Drainage Services
Devon Drainage Services
Looking for drainage installation, septic tank systems, or treatment plant installation in Devon or Cornwall? Contact us today for a free site survey and quotation.
Call 07815 586876 for Drainage ServicesReady To Start Your Project?
Get in touch today for a free, no-obligation quote from our expert team.