Off mains? Get it right, without the jargon.

Septic tanks, treatment plants and cesspits explained for UK homeowners. The rules from the regulator. Real prices, with the source linked.

Rules & permits

The general binding rules, permits and registrations that apply to septic tanks and treatment plants, explained from the regulators' own guidance.

What each off-mains system does, how it works and which one a property can legally use.

Emptying, installation and survey costs from published price lists and cost guides, with every source linked and the date we checked it.

How often to empty, what the warning signs mean and what to do when a system smells, backs up or floods the garden.

What sellers must hand over, what buyers should check and how the rules affect a sale.

Real emptying and installation firms in Devon, Cornwall, Norfolk, Herefordshire and Shropshire, with their EA carrier numbers.

Every rule links to GOV.UK, the Environment Agency, SEPA or Natural Resources Wales.
Every price links to a published price list or cost guide, with the date we checked it. How we check costs.
No pop-ups, no page builders, no tracking scripts.

Need emptying, a new plant or a survey? Our quote service is coming soon. Until then, try the local firms directory.