Trusted Drainage Services

Water & Wastewater Treatment Plants

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Package Treatment Plants for Off-Mains Properties

We design, supply and install modern wastewater treatment plants for homes, small developments and commercial sites that are not connected to mains sewers. From discharge consents to final commissioning, we manage the whole process.

  • Fully managed design, supply, installation & commissioning
  • Engineered to meet current environmental and discharge standards
  • Ideal upgrade from failing septic tanks or cesspits
  • Fixed-price quotations with clear scope of works
Ask About Treatment Plants Free advice & site visit quotations available

Typical Plant Installation Package:

  • Site survey and system sizing
  • Advice on permits & discharge consents
  • Plant supply, delivery & installation
  • Inlet/outlet connections & control cabling
  • Drainage field / outfall works if required
  • Start-up, commissioning & handover guidance
Off-Mains Specialists Regulation Compliant Fixed Price Quotes

Why Properties Choose Our Treatment Plant Installations

A treatment plant is a long-term investment in your property and the environment. We focus on correct design, quality products and professional installation, so your system runs efficiently and stays compliant for years.

Engineered Design

We match plant capacity and specification to flows, occupancy and site constraints for reliable performance.

Environmental Compliance

Systems are installed to meet current environmental rules and designed with discharge consent requirements in mind.

Quality Equipment

We work with established manufacturers and proven plant designs for low running costs and long service life.

Cleaner Discharge

Treatment plants significantly improve effluent quality compared to traditional septic tanks, protecting ditches and streams.

Transparent Pricing

Written quotations with full breakdowns, so you know exactly what is included before any work begins.

Ongoing Support

We offer servicing, callouts and maintenance advice to keep your plant running efficiently and quietly in the background.

Our Treatment Plant Installation Process

1

Site Survey & Flow Assessment

We visit your property, review existing drainage, calculate flows and assess access and ground conditions.

2

System Design & Compliance Check

We recommend the right size and type of plant, confirm discharge options and ensure designs align with current rules.

3

Groundworks & Plant Installation

Our drainage teams complete excavation, base preparation, plant positioning and pipe connections with care.

4

Power, Controls & Outfall Works

We connect blowers, power and control cabling, plus drainage fields, ditches or outfalls as specified in the design.

5

Backfilling, Testing & Commissioning

We carefully backfill, test operation and levels, then commission the plant to ensure it is running as intended.

6

Handover & Maintenance Guidance

You receive user guidance, servicing intervals and any relevant documentation for your records and compliance needs.

Common Treatment Plant Issues We Prevent

Most treatment plant problems we’re called to rectify start with poor design, wrong sizing or rushed installation. Getting the fundamentals right keeps your system efficient, quiet and compliant.

Alarms & Repeated Breakdowns

Undersized plants, incorrect set-up or poor access for servicing can lead to frequent alarms. We design with long-term reliability and access in mind.

Odours & Noisy Operation

Incorrect venting, poor siting or badly configured blowers can create nuisance odours and noise. We follow manufacturer guidance and best practice.

Non-Compliant Discharge

Systems not set up to the correct standard risk enforcement or failed tests. We install and commission to achieve the required effluent quality.

Premature Plant Failure

Cheap or poorly installed systems often fail early. We use proven equipment and correct installation methods to maximise lifespan.

Need a New Water Treatment Plant for Your Property?

We install and upgrade wastewater treatment plants for homes, conversions and small commercial sites across the local area.

  • Ideal replacement for failing septic tanks or cesspits
  • Designed to protect watercourses and the environment
  • Clear guidance on running costs and servicing needs

Book a treatment plant survey

Send us your postcode and a few details and we’ll arrange a convenient site visit.

View Treatment Plant FAQs

Water Treatment Plant FAQs

A treatment plant actively treats wastewater using air and bacteria to achieve a much cleaner discharge, whereas a septic tank mainly separates solids and relies more on the drainage field to complete treatment.
In many cases you must either comply with general binding rules or obtain a discharge consent. We can advise what applies to your property and help you through the process.
Most domestic installations take 3–5 working days on site, depending on access, ground conditions and the complexity of the outfall or drainage field.
Servicing is usually annual and emptying intervals depend on usage and plant size. At handover we explain the recommended schedule for your specific system.
Yes. We regularly replace older septic tanks and cesspits with package treatment plants, reusing existing pipework where suitable and bringing the system up to modern standards.

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