Home energy and repairs
Septic Tank Grant
Up to €12,000 (85% of the cost) to fix or replace a failing septic tank or domestic wastewater system.
AmountUp to €12,00085% of repair cost
Who runs itLocal authorities
Best forHomes with a failing system
Not sure if you qualify?
Check this against 40+ other grants in about a minute.
Check in 60 seconds →
Check this against 40+ other grants in about a minute.
Work out your grant
A quick estimate. Not a guarantee — always confirm on the official source.
What it is
There are three versions of the grant depending on why your system needs work — a failed inspection, a special catchment area, or a prioritised area for action. The amount is the same.
How much you can get
Up to €12,000 85% of repair cost.
| Grant rate | 85% of approved cost |
| Maximum | €12,000 |
Who can get it
The house must be at least seven years old, you must not have had this grant in the last seven years, and you must have received the relevant inspection notice or eligibility letter.
What you’ll need
- The EPA advisory notice or eligibility letter
- Quotes for the repair or replacement
How to apply
- Get the relevant notice or eligibility letter
- Apply to your local authority's rural water section
- Complete the work and claim the grant
Official source: Citizens Information — Wastewater grants. Figures current June 2026. This is a free guide, not a government service — always confirm on the official page.