Composting at home is one of the simplest, most rewarding changes you can make as a gardener - it cuts down what you send to landfill, saves you money on shop-bought compost, and gives your garden a genuine boost. But if you're new to composting, it's easy to worry that you're doing it wrong. The good news is that getting started is much simpler than many people think.
The truth is, composting doesn't need to be complicated. This guide walks through exactly how to compost at home, step by step, whether you're starting with a basic heap or a purpose-built hot composter.
What Is Composting, Really?
Composting is simply controlled decomposition - using naturally occurring bacteria to break down food and garden waste into a dark, crumbly, nutrient-rich material you can put back into your soil. Done well, it:
- Reduces the amount of waste you send to landfill
- Cuts your need to buy compost, mulch and soil improver
- Improves soil structure and helps plants thrive
- Locks moisture into your soil
- Closes the loop between what your garden and kitchen produce and what feeds them
What You Can (and Can't) Compost
Most composting methods rely on a balance of two ingredient types:
"Greens" (nitrogen-rich):
- Fruit and vegetable peelings
- Tea bags and coffee grounds
- Grass cuttings and fresh plant trimmings
- Eggshells
"Browns" (carbon-rich):
- Cardboard and brown paper
- Dead leaves
- Twigs and woodchip
- Shredded paper
In a standard cold compost heap, that's usually where the list ends. Cooked food, meat, dairy, bones, weeds with seed heads, and pet waste are typically excluded, because a cold heap doesn't get hot enough to break them down safely or kill off pathogens and weed seeds.
This is one of the biggest differences with a hot composter like HOTBIN: because it naturally reaches 40-60°C, it can safely handle a much wider range of waste, including:
- Cooked food and leftovers
- Bones
- Weeds (the heat sterilises the seeds)
- Pet waste (the heat kills pathogens)
Step-by-Step: How to Start Composting at Home
1. Choose your method
Decide between a simple heap or open bin (cheap, but slow - often 12 months or more with mixed results) or an insulated hot composter (faster, tidier, and able to handle a vaster diet of organic waste types). If you're feeding it regularly and want usable compost within weeks rather than months, a HOTBIN is a worthwhile investment.
2. Pick the right size
Match the bin to how much waste you can realistically feed it each week:
- ~2.5kg (5L) a week (roughly 1 small kitchen caddy) → a Mini-sized bin around 100L
- ~5kg (10L) a week (roughly 2 small kitchen caddies)→ a Mid-sized bin around 200L, suited to a typical family household
- 20kg (40L) or more a week → a large-capacity bin (450–700L), for bigger gardens, allotments, communities or schools
3. Build a proper base layer
Don't just start with a handful of scraps. Ideally half-fill the bin with a mix of greens and browns before you continue adding waste (typically every other day works well) - this gives the bacteria enough "fuel" to start generating heat properly - HOTBIN's insulation locks in that heat for super efficiency.
4. Feed it consistently
Add waste 2–3 times a week rather than in occasional large dumps. A steady, regular feed keeps the process active and, in a HOTBIN, the temperature consistent.
5. Balance moisture and airflow
If your compost looks slimy or smells unpleasant, it's usually too wet - mix in more "browns" like shredded paper, cardboard or woodchip. If it's dry and not breaking down, add more moisture-rich greens.
6. Leave it to do its job
With a well-insulated HOTBIN, there's no need to turn or tumble the contents, and no accelerators or external power required - the heat generated by the composting process itself is retained by the bin's design.
7. Harvest your compost
After around 3 months you can unearth you ready home made HOTBIN compost, it should look dark, full of moisture and smell earthy rather than sour. Depending on how consistently you've added waste, your first batch of compost takes around 90 days when hot composting, compared to 12 months plus when using traditional cold composting methods.
Troubleshooting Common Composting Problems
My compost isn't heating up. The most common cause is not enough material to start with - half-fill your bin with your base layer before adding daily scraps, so there's enough mass for the bacteria to work with.
It smells bad. This usually means it's too wet or too compacted. Add more "browns" (cardboard, shredded paper, woodchip) to rebalance it.
It's attracting flies or pests. Make sure food waste is properly covered by other material rather than left exposed at the top, and avoid adding large amounts of meat or cooked food to an open, cold heap.
It's taking a long time. Cold heaps are naturally slow (12 months+) because they don't consistently reach high enough temperatures. A hot composter can produce usable compost in as little as 30 to 90 days when fed consistently. Note after 30 days compost is ideal for use as a soil improving mulch.
Using Your Finished Compost
Homemade compost is genuinely versatile once it's ready:
- Mulch – spread over beds and borders to lock in moisture and suppress weeds
- Potting mix – mixed with existing soil for containers and pots
- Seedling starter – a nutrient boost for young plants, but mix with seed compost
- Soil improver – dig into beds to improve structure ahead of a no-dig approach
FAQs on Composting at Home
Is composting at home messy or smelly? Not if it's balanced properly. A well-managed compost bin - particularly a sealed, insulated design - shouldn't produce bad odours or attract flies.
Do I need any special skills or experience? No. Composting at home is straightforward once you understand the basic greens/browns/moisture balance - no gardening expertise required.
How often should I add waste? Aim for 2-3 times a week rather than occasional large amounts, to keep the process consistent.
How long does composting take? A traditional cold heap can take 6-12 months or longer. A hot composter reaching 40-60°C can produce usable compost in as little as 30-90 days.
Can I compost all year round? With an insulated, sealed hot composter, yes! Composting can continue through cold snaps and wet weather, not just in Spring/Summer.
Ready to Start Composting?
Once you know the basics, composting at home is very rewarding, it's simple low-maintenance, and genuinely benefits your garden and plannts. If you've been considering compost for a while and are after a speedy method that, handles more of your household waste (including cooked food), and compost all year round without turning or fuss, take a look at the HOTBIN range to find the size that suits your household.