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18 Person Septic Tank

£1,999.00
Price incl. VAT (20%) £333.17
Free Delivery 4-5 Working Days
In stock
Product Details

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18 Person Septic Tank: Easy, Affordable, Building Control Approved Solution

Are you in need of a reliable septic tank solution for your large household or property? Look no further! Our 18-person septic tank kits offer superior performance for off-mains sewage management, all without breaking the bank.

What Can You Expect in Our 18 Person Septic Tank Kits?

  • Shallow dig, low profile septic tank: Easy installation, even in difficult ground conditions.
  • Drainage field crates (8): Highly efficient and compact soakaway system, outperforming traditional herringbone designs.
  • Pipes and Inspection Chamber: All the essentials for a complete system
  • UK Approval: Rest assured, our kits are compliant with Building Control, Environment Agency, and General Binding Rules for small sewage discharge.

The Benefits of Our Septic Tank Kits

  • Simple Installation: Ideal for DIY enthusiasts, builders, or groundworkers. No concrete or electricity needed - saving you time and money.
  • Small Footprint: Perfect for properties with limited space.
  • Fast Delivery: Your kit arrives in approximately 7 working days, with free delivery across the UK.
  • Suitable for Any Soil: Efficient even in clay and other poorly draining soils.
  • Huge Cost Savings: Start at just £1999, offering a massive saving compared to professional installation costs (around £12,000-£15,000!).

Tailored Kits for Your Needs

We understand that properties come in all sizes. That's why we offer septic tank kits based on bedrooms:

  • 1-2 Bedroom Kits
  • 3-4 Bedroom Kits
  • 5-6 Bedroom Kits
  • 7-8 Bedroom Kits
  • Kits for Glamping Sites, Camping Sites, Shepherd Huts, and more!

Ready to Transform Your Off-Mains Sewage System?

Experience the convenience and cost-effectiveness of our 18-person septic tank kits. Get in touch for more information and a personalized quote.


Here’s What You’re Getting

1 x Heavy Duty 5000 Litre septic tank
(EN12566-1 Certified)

1 x 1 Metre Riser

Building Regs Approved. Environment Agency Compliant

Easy To Install. No Concrete or Electric Needed

Dimensions of Rewatec Septic Tank:

Length: 2480m Width: 1890m Height: 1890m Weight: 173kg

The Environment Agency - Your UK Guide To The General Binding Rules For Septic Tanks

NHBC - Your Guide To Septic Tank Planning Permission In The UK

The Environment Agency -Your Guide To Septic Tank Regulations in the UK

Septic Tank Super Market - Your One Stop Shop For Septic Tanks In The UK

Unleashing the Secrets of Shallow Serenity: Download the Low-Profile Septic Tank White Paper



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18 Person Septic Tank