Technical
Request a site assessment
Off-mains drainage is site-specific. Tell us about the ground, the access and the load, and we will specify a system that complies.
Before you start
What we will ask for
- Site address and postcode
- Number of people or properties served
- Whether mains drainage is available
- Any existing tank details, if replacing
- Access constraints for delivery and excavation
The process
How an assessment works
- 01Submit this form with your site details
- 02A technical specialist reviews and calls you
- 03We recommend a system and issue a quotation
- 04Where needed, we arrange a site visit
Regulations
Sewage treatment plants and septic tanks in England must comply with the 2020 General Binding Rules. Scotland, Wales and Northern Ireland have separate requirements. We will confirm what applies to your site.
Talk to us
Complex site?
High water table, restricted access or a shared system. Call and talk it through first.
Mon–Fri · 8:30–17:00
Assessment
Site assessment request
The more detail you give us here, the fewer questions we come back with.
We will only use your details to handle this request. See our privacy policy.