Our services

We offer a complete range of soakaway services, including:

• Soakaway design – tailored solutions to meet the specific drainage requirements of your property.
• Trench soakaways – gravel-filled trenches that allow water to percolate gradually into surrounding soil, ideal for smaller areas or linear drainage needs.
• Chamber soakaways – modular, high-capacity chambers for larger properties or commercial sites.
• Installation and connection – excavation, placement, backfilling, and integration with your existing drainage system.
• Maintenance and inspections – ensuring efficient operation and ongoing compliance with regulations.

All work is carried out by skilled engineers using modern equipment, delivering reliable and long-lasting surface water management.

Installation process

Our soakaway installation process is carefully managed from start to finish:

• Site survey and assessment – evaluating soil type, water flow, and drainage requirements.
• Design selection – choosing the most suitable soakaway type for your property or project.
• Excavation and installation – preparing the site, installing the soakaway structure, and connecting to existing drainage.
• Backfilling and testing – ensuring correct operation and compliance.
• Handover and guidance – providing advice for maintenance and future inspections.

Who we work with

Our soakaway and drainage field services support:

• Domestic homeowners and residential properties
• Commercial buildings and sites

Learn more about the sectors we serve [link to dedicated sectors page].

Why choose Shanahan Contracting Ltd

• Local, experienced engineers with practical expertise
• Fully licensed, insured, and compliant with environmental regulations
• Complete service from design to installation and maintenance
• Reliable solutions tailored to your property, project, or business

Need a soakaway designed, installed, or maintained? Contact Shanahan Contracting Ltd today to discuss your project or request a site visit.

Request a quote for Soakaway design & installation

• To empty Septic tanks . First class service from first contact to removal within 24 hours . Very knowledgable , helpful company . Would highly recommend .

  Julie - Hertfordshire

• “Shanahan’s has looked after our domestic property for years now. We have always had excellent ,friendly service. An unexpected onsite problem which occurred during their last visit was investigated, reported on and resolved promptly. I know I can rely on their expertise. I would not hesitate to recommend this company to others.

  Caroline - Radlett

• "The guys at Shanahan are great. They are friendly, knowledgeable and professional. A special shout out to Michael for his no-fuss attitude, who gets the job done quickly and professionally without any fuss. Would definitely recommend."

  Anthony - Hitchin