Our services

We offer a complete range of septic tank services, including:

  • Septic tank installation – tailored solutions for new and replacement tanks.
  • Routine emptying and de-sludging – keeping systems operating smoothly and preventing blockages.
  • Cleaning and inspections – professional checks to ensure compliance and long-lasting performance.
  • Maintenance and repairs – addressing issues quickly to avoid overflows or system failures.

All work is carried out by skilled engineers using modern equipment, ensuring reliability and long-term performance.

Installation process

Our septic tank installation process is carefully planned from start to finish:

  • Site assessment and design – evaluating soil, property, and wastewater requirements to determine the correct tank type and size.
  • Layout planning – designing the tank, drainage field, and pipework to meet all local and environmental regulations.
  • Excavation and installation – preparing the site, installing the tank, connecting drainage, and testing the system.
  • Handover and guidance – ensuring the system is fully operational and providing advice for ongoing care.

Who we work with

Our septic tank services are trusted by:

  • Domestic homeowners and rural properties
  • Commercial sites and businesses

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


Why choose Shanahan Contracting Ltd

  • Experienced, local engineers with hands-on expertise
  • Fully licensed, insured, and compliant with environmental regulations
  • Complete, end-to-end service for installation, maintenance, and emptying
  • Reliable solutions tailored to your property or business


Need a septic tank installed or serviced? Contact Shanahan Contracting Ltd today to discuss your requirements or request a site visit.

Request a quote for Septic tank installation & servicing

Our other services

Testimonials

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

    Julie - Hertfordshire

  • "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

  • "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

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