Upgrade Your Septic System - At No Cost
If your home discharges into a sensitive catchment area, you could qualify for a fully funded, modern treatment system — design, planning and installation included.
Fully Funded, Hassle-Free Upgrades
If you're eligible, Kent Mitigation will manage the entire upgrade process — from technical design through to final installation. You won’t pay a penny.
✔️ Full system upgrade to a compliant treatment unit
✔️ All design, planning, and permissions handled
✔️ Installed by qualified professionals
✔️ Helps protect local wildlife and water quality
Am I Eligible?
You may qualify if:
✔️ Your home uses a septic tank or cesspit
✔️ It discharges to ground or surface water
✔️ You’re located within a designated sensitive catchment (e.g. the Stour)
A Cleaner Future For Kent
By reducing pollution at the source, these upgrades improve river health and support the delivery of new housing. Every upgraded system makes a difference, for people, nature, and future generations.
FAQs
We’ve answered some of the most common questions below to help you understand what the septic tank upgrade involves, who’s eligible, and how the process works. For the full list of FAQs, download the complete guide using the button below.
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This initiative helps protect the local environment by upgrading outdated septic tanks and small sewage systems. It’s part of a broader effort to reduce water pollution, especially nutrients like nitrogen and phosphorus that harm river ecosystems. If you live in an eligible area, your sewage treatment system could be upgraded for free.
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If your current system doesn’t meet legal requirements (known as the General Binding Rules), it could make your home harder to sell or remortgage
Non-compliant systems can lead to a lower property value or delays when selling
This upgrade gives you a modern system that meets all current standards, with no cost to you
You’ll be helping to protect local rivers and wildlife by reducing pollution
It saves you from having to pay for a replacement in the future
Even if your current tank seems fine now, upgrading means you won’t run into problems or costs later on.
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That’s okay - as long as everyone sharing the tank agrees to take part and signs the necessary paperwork. Each household must provide consent separately.
Let’s Protect Kent’s Waterways Together
Your home could be eligible for a free septic system upgrade. It’s easy to check, and there’s nothing to pay.
