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Business Details
34 Years
experience
Trusted Septic Tank and Drainage Services in Cornwall
Penwith Tank & Drain Services has been delivering expert drainage and sewerage solutions across Cornwall since 1992. Our team of dedicated professionals specialises in the supply, installation, and maintenance of off-mains systems, utilising our own specialist equipment to ensure precision and quality control. We conduct comprehensive site surveys to assess ground conditions, enabling tailored solutions that address specific drainage challenges. Our commitment to minimising disruption during installations includes meticulous reinstatement of affected areas, including landscaping where required. We work closely with Building Control and the Environment Agency to guarantee compliance with all current regulations.

With decades of experience in diverse systems, we provide reliable septic tank conversions, sewage treatment plants, and pump station installations. Our services extend to CCTV inspections, pipe tracing, and purchase surveys, supporting both residential and commercial clients. Based near Penzance, we serve all of Cornwall, offering scheduled servicing to maintain system performance. Our approach combines technical expertise with a customer-focused ethos, ensuring professional finishes and long-term reliability for every project.
Services
Septic Tank Installation Sewage Treatment Plants Drainage Systems CCTV Inspections Pump Station Installation Land Drainage Rainwater Harvesting Soakaway Installation Septic Tank Servicing Purchase Surveys
Details
  • Year established: 1992
Highlights and features
  • 30 years of specialist experience in off-mains drainage systems
  • Own specialist survey equipment and machinery for quality control
  • Klargester Accredited Installers for assured standards
  • Comprehensive site assessments to address specific drainage challenges
  • Regulatory compliance support with Building Control and Environment Agency
Associations and certifications
  • Klargester
Services
Septic Tank Installation
We design and install custom septic tank systems tailored to site-specific ground conditions. Our process includes initial surveys, regulatory compliance checks, and full reinstatement of landscaped areas post-installation. Using dedicated machinery, we ensure precise placement and long-term functionality for residential and commercial properties across Cornwall.
Sewage Treatment Plants
Supply and installation of advanced sewage treatment plants compliant with current regulations. We assess site requirements to recommend appropriate systems, manage Environment Agency approvals, and provide ongoing servicing. Our solutions ensure efficient wastewater management for properties not connected to mains drainage networks in Cornwall.
Drainage Systems
Comprehensive drainage system design and installation, including land drainage and soakaways. We address surface water management challenges through site-specific assessments, using specialist equipment to implement effective solutions that prevent flooding and ground instability across Cornwall's diverse terrain.
CCTV Inspections
Non-invasive CCTV inspection of drainage systems using high-resolution cameras. Our surveys identify blockages, leaks, or structural issues in existing pipework, providing detailed reports to inform repair strategies. This service supports property purchases and maintenance planning across Cornwall's residential and commercial sectors.
Septic Tank Servicing
Scheduled servicing of septic tanks and sewage treatment systems according to manufacturer guidelines. Our maintenance packages ensure optimal performance, regulatory compliance, and early detection of potential issues. We offer flexible service intervals tailored to system usage and environmental conditions across Cornwall.
Questions
What areas do you cover?
We operate across all of Cornwall, including Penzance, Falmouth, St Ives, Bodmin, Redruth, and Helford.
Do you handle regulatory compliance?
Yes, we liaise with Building Control and the Environment Agency to ensure all installations meet current regulations.
Can you perform property purchase surveys?
We offer specialist waste system surveys for property purchases using CCTV inspection and pipe tracing equipment.
What equipment do you use?
We operate our own specialist survey equipment, plant, and machinery to maintain quality control throughout installations.
Do you offer maintenance services?
Yes, we provide scheduled servicing for septic tanks and sewage treatment systems to ensure ongoing reliability.
How long have you been in business?
We have been serving Cornwall since 1992, providing drainage and sewerage solutions for over 30 years.