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

• "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

• “Shanahan’s has taken care of all our drain cleansing, jetting & repairs for over 10 years, also assisting us with any groundworks we need. They always provide a prompt & professional service. The teams knowledge of our site pays dividends & their experience helps to keep the centre’s complex drainage network running”

  Jack Garden Square Shopping Centre - Letchworth

• "Thank you, James, for responding to our emergency so quickly. Michael, your operator, was with us within two hours and resolved the issue in a very professional and friendly manner. A fantastic service and we will certainly be using Shanahan in the future."

  John & Cherryl - Welham Green