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  • Compost Toilet

    The most radical kind of self-sufficiency starts here.

    A compost toilet isn't just a practical solution - it's a revolution. It's about choosing to give back, to honour our waste as part of the natural process rather than something to flush away and forget. 

    Our design is a simple, no-fuss composting toilet for all kinds of living situations — tiny homes, cabins, vans, boats, or even your everyday home. We’ve been using this system ourselves for over 10 years, and now we’re making it available to others looking for a practical option. A compost loo, with a view out in the garden is a great idea!

    Handcrafted by us in our workshop, New Zealand.

    Description

    Built from untreated plywood with stainless steel hinges and screws, the toilet comes as a flat pack for easy assembly. We’ve made sure the toilet is sealed to keep flies out and designed the seat to be extra wide for those who prefer to squat — a small feature with big ergonomic benefits. Each kit also comes with instructions and a Compost Loo How-To Poster.

    Versatile setup
    This system is designed to work with a 20L bucket — but it also works well with a wheelie bin compost system. Simply empty your full 20l buckets into a larger bin for longer-term composting and safe breakdown of humanure.

    Why a compost loo?
    Every flush of a conventional toilet wastes around 10L of clean, drinkable water. Composting loos save water and allow you to return nutrients to the earth — creating a closed-loop system: grow food, eat it, compost the waste, and feed the soil again. It’s simple, effective, and a great way to build resilience and reduce waste.

    What’s included:
    All wooden parts, stainless steel hinges, and screws.
    We recommend: Sealing with tung oil, linseed oil or a natural paint for durability and easy cleaning.

    The system is low-maintenance: do your business, cover with sawdust, and close the lid. When full, swap the bucket and compost the contents. No urine separation needed (though optional), and surprisingly — no smell either.

    Designed for use with 20L buckets (not included). You can easily source these from Mitre 10, Bunnings, or even local cafés and bakeries.

    Features

    Toilet Dimensions:

    Width: 600mm
    Height: 440mm
    Depth: 550mm

    Care of tool

    Seal for longevity: Before use, we recommend sealing all wooden parts with tung oil, linseed oil, or a natural paint. This helps protect the wood from moisture and makes it easier to wipe clean.

    Keep it dry: Wipe down surfaces regularly to keep them dry and clean, especially around the bucket area. Moisture can affect the timber over time if left unmanaged.

    Clean regularly: Use a damp cloth and mild, natural cleaner (like vinegar or castile soap) to wipe surfaces. Avoid harsh chemical cleaners that could damage the wood or affect your composting process.

    Swap and empty buckets often: When the bucket is full, seal with a lid and take it to your composting area. Replace with a clean bucket straight away to keep things tidy and smell-free.

    Ventilate the area: Good airflow helps reduce moisture and keeps things fresh. If using in a small space like a van or cabin, a vent or small fan is a great addition.

    Check your composting site: Make sure your compost heap or bin is working well — it should heat up and break things down over time. Stirring and layering with carbon (sawdust, wood chips, straw) helps.

    With a little care, this toilet will last many years and make your composting journey simple and satisfying.

    FAQ

    Q: Do I need to separate pee and poo?
    A: Nope! We’ve used this system for over 10 years without separating urine and haven’t had any issues with smell. To be fair, the boys normally pee outside under the lemon tree. However, if you prefer, you can add a urine diverter — it’s a personal choice.

    Q: Does it smell?
    A: Surprisingly, no! As long as you cover your business with a scoop of sawdust or other carbon material after each use and empty the bucket regularly, the system stays odour-free.

    Q: How do I compost the waste safely?
    A: We recommend collecting full buckets to compost in a larger compost system. Once you’ve built up a decent amount of buckets, allow it to compost in a well-managed heap that reaches thermophilic temperatures (55°C+) to kill off any pathogens. Always follow safe composting practices if you plan to use the finished compost on food crops.

    Q: How do I clean it?
    A: Wipe down the wooden surfaces regularly with a damp cloth and a natural cleaner like vinegar or castile soap.

    Q: Can I use this toilet outdoors?
    A: Yes, but it will need to be protected from the weather. Make sure it’s in a covered area and consider sealing the wood with tung or linseed oil for extra protection.

    Q: What size bucket does it fit?
    A: It’s designed for standard 20L buckets, which are easy to find at places like Bunnings, Mitre 10, or even your local bakery or café.

    Q: Can I use it with a wheelie bin composting system?
    A: Absolutely! In fact, it’s a great match. Just cut the hole out the bottom of the bucket to go into the wheelie bin.

    Q: What’s included in the kit?
    A: All the pre-cut wooden parts, stainless steel hinges, and screws you need, instructions — plus a Compost Loo How-To Poster. You’ll just need to source your own 20L buckets.