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Klargester Shallow Dig Septic Tank

A Klargester Shallow Dig Septic Tank is designed for sites with limited excavation depth, high water tables, or difficult ground conditions. Manufactured to BS EN 12566-1 and available in sizes from 2,800L to 9,150L, it reduces groundwork requirements while providing dependable off-mains sewage treatment for domestic installations.

Price range: £1,163.00 through £2,842.00

Product Code: STH028/0.5BASE

Description

Klargester Shallow Dig Septic Tank

The Klargester Shallow Dig Septic Tank is the industry-standard choice for sites where excavation depth is limited. Manufactured by Kingspan, the market leader in off-mains drainage, this premium shallow-profile system significantly reduces groundwork costs without compromising structural integrity. Widely specified by architects and building control officers across the UK, it provides a fully compliant, reliable primary wastewater treatment solution for domestic and rural properties.

Specifications

Product type Shallow Septic System
Material High strength construction
Capacities 2800L, 3800L, 4800L, 5700L, 7150L, 9150L
Invert depth options 0.5m, 1.0m, 1.5m
Pipe connections 110mm inlet and outlet
Access Twin manholes
Installation requirement Hiab optional
Product codes STH028, STH038, STH048, STH057, STH071, STH091 variants

Key design features

  • Market-Leading Kingspan Engineering: Built to Klargester’s rigorous quality standards, eliminating the need for deep, costly excavations.
  • Architect & Building Control Approved: Fully certified to EN-12566-1 standards, ensuring hassle-free compliance and sign-off from local authorities.
  • Dual Access Points: Configured with twin manholes for straightforward inspection, routine maintenance, and easy desludging.
  • Site Flexibility: Multiple invert depth options ($0.5\text{m}$, $1.0\text{m}$, and $1.5\text{m}$) tailor the system to varying site levels.

Benefits

  • Trusted Brand Assurance: Choosing Klargester means investing in the UK’s most recognized brand, offering superior long-term reliability and manufacturer back-up.
  • Minimised Groundwork Costs: The shallow profile radically reduces soil excavation, concrete backfill, and site installation time.
  • Problem-Site Solution: Specifically engineered for challenging conditions, including high water tables or restricted digging depths.
  • Scalable Capacities: Available from 2,800L up to 9,150L to precisely match your property’s population requirements.

Applications

This system is the definitive solution for domestic developments and self-build projects where mains drainage is unavailable. It is highly recommended for sites with high water tables, sloping terrain, or difficult soil conditions where standard deep excavation is impractical.

Explore more

Browse the full range of sewage treatment plants and wastewater systems to find suitable off mains drainage solutions and supporting products.

Contact us

For help selecting the correct shallow dig septic system or confirming the most suitable configuration for your site, contact the team for technical advice and UK wide supply.

Additional information

Capacity

2,800ltr, 3,800ltr, 4,800ltr, 5,700ltr, 7,150ltr, 9,150ltr

Invert Depth

0.5m (Standard), 1.0m (£115), 1.5m (£180)

Hiab Required

No (site to offload), Yes (cost £200)

Downloads

   shallow dig installation guide Drawing

  shallow dig installation guide