Description
The Klargester 3,800 litre shallow dig septic tank is a dependable solution for domestic foul water treatment on sites where standard excavation depth is not achievable. Commonly specified for replacement installations, extensions, and rural properties, this unit is well suited to locations with high water tables or restricted dig depths.
With increased capacity compared to smaller models, the 3,800 litre unit is ideal for larger households or properties with higher wastewater demand. The shallow dig design helps to reduce excavation requirements, minimising groundworks time and disruption while maintaining effective wastewater treatment performance.
Manufactured by Klargester, this septic tank is designed for durability and long-term reliability when installed in accordance with UK regulations, making it a trusted choice for contractors and installers.
Key Features
- Shallow dig design for sites with restricted excavation depth
- Increased 3,800 litre capacity for larger domestic applications
- Suitable for domestic wastewater treatment
- Ideal for replacement and retrofit installations
- Robust construction for long-term performance
- Manufactured by Klargester, a recognised UK brand
Typical Applications
- Larger domestic properties not connected to mains drainage
- Replacement of existing septic tanks
- Sites with limited excavation depth
- High water table or challenging ground conditions
- Rural housing and residential developments
Delivery & Offloading
Standard delivery is supplied on the basis of customer offload, which is the industry norm for septic tanks of this size.
If site access is restricted or lifting equipment is not available, HIAB / crane offload can be arranged on request at an additional cost (typically £220 + VAT). Please advise at order stage if crane offload may be required so this can be arranged in advance.
Lead Time
Typical lead time for this unit is 8–10 working days, as septic tanks are manufactured to order.
In some cases, delivery can be brought forward depending on production schedules and delivery location. If you are working to a specific programme, please contact us prior to ordering and we will advise accordingly.
Technical Support & Specification
If you require assistance with:
- Tank sizing
- Site suitability
- Installation considerations
- Compliance requirements
Our team can provide practical, trade-focused support to help ensure the correct product is specified for your project.
Why Buy From Drainage & Civils Direct
- Trade-focused supplier with industry experience
- Honest lead times and delivery expectations
- Direct-to-site delivery
- Support before and after order
Available Capacities
This Klargester shallow dig septic tank is also available in the following sizes:






