A clean example of a simple but effective dry compost toilet built using our basic DIY compost toilet box approach — and a We-Pee urine separator.
"Your online instructions are great! Here's my toilet."
— Darren Searle
Build a DIY compost toilet box
The basic compost toilet box is the simplest design that works: a plywood box, a bucket inside, a urine separator under the seat, and a length of waste pipe out to a sealed urine container. Build it in a day with basic tools.
For the full step-by-step guide with materials list, dimensions and tips, see our complete guide to building a composting toilet. And start with a £31 Urine Separator — the most popular choice for simple DIY builds like Darren's.