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Experts in Off Mains Drainage Solutions

Ensign:Standard™

Regular price £1,750.00

Ensign Sewage Treatment Plants

The Marsh Ensign Sewage Treatment Plant is one of the most trusted systems on the UK market, known for its durability, compliance, and cost-effective performance. Built with no internal moving parts, the Ensign:Standard model ensures simple installation, minimal maintenance, and years of reliable operation. With class-leading pollutant removal and full BS EN12566-3/A1:2009 certification, this unit is an ideal choice for domestic and light commercial properties needing a future-proof drainage solution.


Care & Maintenance

The Marsh Ensign is designed for easy, worry-free ownership. Under normal use, it only requires a single tank empty per year and a quick visual check on the external air blower. There are no moving parts inside the tank, no need for chemicals, and no specialist servicing required. Maintenance is simple, light, and easily scheduled — giving you full compliance and reliable performance without the hassle of older systems.

Delivery Information

Delivery of the Marsh Ensign is quick and hassle-free. Smaller models are typically delivered within 1 to 2 weeks, while larger units arrive within 2 to 4 weeks depending on production schedule. Every system is made to order to ensure optimal quality and compliance with current regulations, so you get a product that’s fresh from the factory — not something that’s been sitting in a warehouse.

We’ll keep you updated every step of the way and coordinate the delivery to suit your site schedule. Whether you're a homeowner or a contractor, you can rely on a smooth process from order to offload.

Trusted by installers, built for peace of mind — the UK’s go-to sewage treatment plant.

Low-Maintenance

With no moving parts inside the tank and a robust air-driven system

High Performance

Exceptional treatment performance with low energy usage.

  • Warranty
    10
  • Discharge To Surface Water
    Yes
  • Discharge To Drainage Field
    Yes & 15% size reduction
  • Power Supply Required
    Yes
  • Min Person
    2
  • Max Person
    50
  • Tank Empty Frequency
    Annual

Ensign:Standard™ Product Features

Built for performance, reliability, and compliance, the Ensign:Standard™ delivers proven sewage treatment with minimal maintenance and low running costs.

Marsh Ensign Standard

Built to be installed with ease.

How Does The Ensign:Standard™ Compare?

See how the Marsh Ensign Standard stacks up against other leading treatment plants. From performance and reliability to installation depth and servicing costs, the Ensign stands out as a smarter long-term investment.

A table comparing the facets of 5 products
Facet
Marsh:ENCO
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Ensign:Standard™
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Ensign:Ultra™
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Aqua-Puratine ™
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Marsh Ultra:Polylok™
View details
Price
Price
Regular price £0.00
Regular price From £1,750.00
Regular price £0.00
Regular price £0.00
Regular price £0.00
Delivery Timeframe
Delivery Timeframe
-
1-2 Weeks
-
-
-
Shallow Dig
Shallow Dig
-
No
-
-
-
Min Person Required
Min Person Required
-
2
-
-
-
Max Person Capacity
Max Person Capacity
-
50
-
-
-
Required Emptying
Required Emptying
-
Annual
-
-
-
Requires Power Supply
Requires Power Supply
-
Yes
-
-
-
Suitable For Drainage Fields
Suitable For Drainage Fields
-
Yes & 15% size reduction
-
-
-
Can Discharge To Water
Can Discharge To Water
-
Yes
-
-
-
Warranty Years
Warranty Years
-
10
-
-
-
Product variants
Product variantsPerson Capacity
  • 6,
  • 8,
  • 10,
  • 12,
  • 16
Outlet Type
  • Gravity,
  • Pumped
Size
  • 4 PE,
  • 6 PE,
  • 8 PE,
  • 10 PE,
  • 12 PE,
  • 16 PE,
  • 20 PE,
  • 25 PE,
  • 30 PE,
  • 35 PE,
  • 40 PE,
  • 45 PE,
  • 50 PE
Outlet Type
  • Gravity,
  • Pumped
Person Capacity
  • 4,
  • 6,
  • 8,
  • 10,
  • 12,
  • 16,
  • 20,
  • 25,
  • 30,
  • 35,
  • 40,
  • 45,
  • 50
Outlet Type
  • Gravity,
  • Pumped
Model
  • Aqua-Puratine:EL,
  • Aqua-Puratine:G-APS
Person Capacity (Model Pop)
  • 6 Person (UPL6),
  • 12 Person (UPL12)
Outlet Type
  • Gravity,
  • Pumped