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

• Just a quick thank you for your help in sorting our drainage issue and for the outstanding service provided by Michael yesterday, he is a real credit to your business.

  Standalone Farm - Letchworth

• I just wanted to say what a fantastic service we had yesterday. The gentleman that came to empty the tank negotiated the well and narrow driveway brilliantly!

  And the drain survey team were equally fantastic! Courteous and really helpful; involving us (we were both very curious!) as much as we wanted!

  What a brilliant team to have come to our property! We will most certainly be coming back to you for any future needs.

  Thank you.

  Esther - Hertfordshire

• “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