Septic tank field notes
Cesspit vs septic tank: what is the difference?
A cesspit is a sealed holding tank with no outlet: everything that goes in stays there until a tanker takes it away. A septic tank separates solids and lets the liquid flow out to a drainage field, so it only needs emptying about once a year. That makes a cesspit cheap to install but very expensive to run.
Read itWhat is a percolation test for a septic tank?
A percolation test measures how fast water soaks into the ground where a drainage field would go. Holes are dug, filled with water and timed as the…
2 November 2026
Selling a house with a septic tank: what are the rules?
You can sell a house with a septic tank, but you must give the buyer written details of the system and its maintenance. If it is a septic tank…
2 November 2026
Septic tank maintenance: what you must do and when
Have the tank emptied by a registered waste carrier at least once a year, keep fats, wipes and chemicals out of it, walk the drainage field for wet…
2 November 2026
Can a septic tank go to a soakaway?
Not a new one, in England. Septic tank effluent must go to a drainage field built to BS 6297, and the Environment Agency says soakaways, wells and…
2 November 2026
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Ask for a site visit and prices
Three short steps: where the property is, what the system needs, and how to reach you. About two minutes.
A free matching service, not a off-mains drainage installer. We look for one who works in your area and name them to you first. Nothing is shared until you say yes.
Thanks, your enquiry is in.
- We look for an off-mains drainage installer who works in your area and takes on this kind of job, then email or call to tell you who it is.
- Your details reach that firm only if you say yes.
- They arrange a site visit, test the ground if needed and give you a written price. No marketing from us, ever.