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Composters: What Else You'll Need

By the Nest & Yard editorial teamUpdated 2026-08-093 min read

Our pick: the Strata GN332 Outdoor Garden Compost Bin, 220L — the best Composters we tested, from £42.99.

Starting a compost heap is fantastic for reducing waste and enriching your garden soil, but it’s easy to overlook the extra bits and pieces you'll need to get the most out of your chosen composter – things like ventilation accessories, protective measures, or even mounting solutions. This guide explores commonly required additions alongside popular composting options such as the Strata GN332, Charles Bentley Ward 220L, Earthmaker 3-Chamber and Green Johanna, helping you create a truly efficient system. Let’s look at what accessories you should consider to ensure your compost thrives.

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Strata GN332 Outdoor Garden Compost Bin, 220L
Editor's Choice

#1 Pick

Strata GN332 Outdoor Garden Compost Bin, 220L
Rated 4.5 out of 5 stars (940)
  • Plastic
  • Small gardens
  • 220L

£42.99

Pros

  • Tight-fitting lid retains heat for faster composting
  • Sliding hatch for easy compost access
  • Which? 'Best Buy' rated plastic composter

Cons

  • Bulky to move once assembled
View on Amazon →
Charles Bentley Ward 220L Ecomax Garden Composter
Best Value

#2 Pick

Charles Bentley Ward 220L Ecomax Garden Composter
Rated 4.1 out of 5 stars (967)
  • Recycled plastic
  • Small gardens
  • 220L

£54.99

Pros

  • Large 220L capacity at a low price
  • Front hatch for easy compost access
  • Lockable, air-tight lid

Cons

  • Basic single-chamber design
  • No aeration vents
View on Amazon →
Earthmaker 3-Chamber Composter, 466 Litre

#3 Pick

Earthmaker 3-Chamber Composter, 466 Litre
Rated 4.5 out of 5 stars (431)
  • Recycled plastic
  • Large gardens
  • 466L

Currently unavailable

Pros

  • Three-stage composting chambers
  • Click-together assembly, no tools required
  • Large 466L capacity suits big gardens

Cons

  • Bulky — needs a dedicated corner
Check on Amazon →
Green Johanna Food Waste Composter, 330 Litre

#4 Pick

Green Johanna Food Waste Composter, 330 Litre
Rated 4.6 out of 5 stars (341)
  • Recycled plastic
  • Large gardens
  • 330L

Currently unavailable

Pros

  • Hot composting design breaks down cooked food and meat scraps
  • Made in the UK from recycled plastic
  • Pest-resistant sealed design

Cons

  • Higher price than a basic compost bin
Check on Amazon →

FAQ

What's usually included in the box with a new composter?

Typically, a new composter comes with a base or lid, often some instructions and maybe a small bag of starter compost to kickstart the process. However, it rarely includes tools like a pitchfork or thermometer – you’ll likely need to source those separately.

I've heard about ‘browns’ and ‘greens’. What exactly do I need for my composter?

‘Browns’ are carbon-rich materials like shredded paper, cardboard, or wood chips, while ‘greens’ are nitrogen-rich items such as grass clippings or vegetable peelings. Maintaining a good balance of both is crucial for effective composting.

Do I need to buy any special bags for collecting food waste?

While you can use standard black bin bags initially, investing in compostable liners specifically designed for food waste will minimise smells and prevent leaks within your composter.

Will I need a thermometer to monitor the temperature?

A compost thermometer is beneficial, especially if you’re aiming for ‘hot composting’, which speeds up the process. Temperatures above 55°C are ideal for breaking down materials efficiently.

Are there any accessories that help with turning the compost?

While not essential, a small garden fork or spade will make it easier to turn and aerate your compost pile, promoting better decomposition. A dedicated composting tool can also be helpful.

What if my composter gets too wet?

Excess moisture is a common issue; you can combat this by adding more ‘brown’ materials like shredded cardboard or dry leaves to absorb the excess water.

Do I need any protective gear when handling compost?

While not always required, gloves are recommended when turning and moving compost to avoid potential skin irritation from microorganisms and sharp objects.

Are there any additives that can speed up the composting process?

Compost activators containing beneficial bacteria or fungi can help accelerate decomposition, though their effectiveness varies depending on conditions.

What about pest control around my composter?

A well-managed compost pile is less likely to attract pests; ensuring a good carbon:nitrogen ratio and regularly turning the pile helps minimise issues.

Where can I find information about the manufacturer’s warranty or returns policy for the composter?

Please refer to the product details on Amazon UK, where you will find details regarding the manufacturer's warranty terms and conditions, as well as Amazon’s standard returns policy.

In depth

Composting, particularly when starting out, often involves more than just the bin itself. Alongside a robust compost tumbler or traditional heap, several accessories and consumables can significantly improve the process and ensure healthy results. Let’s explore what you might need beyond the core equipment.

Firstly, consider soil amendments – these are vital for providing nutrients to your compost pile. A bag of well-rotted farmyard manure is an excellent addition, introducing beneficial microbes and organic matter. Similarly, a small supply of horticultural grit or perlite can improve aeration within the heap, preventing anaerobic conditions that lead to unpleasant smells and slow decomposition. Don’t underestimate the value of worm castings – these are incredibly rich in nutrients and will dramatically accelerate composting, though they require separate management (a worm bin is often recommended alongside a larger compost system).

Next, let's look at tools and aids for managing your compost pile effectively. A sturdy pair of garden secateurs or shears are invaluable for quickly processing kitchen waste – chopping up vegetable peelings and fruit cores into smaller pieces speeds up the breakdown process considerably. A pitchfork is essential for turning and aerating the compost regularly; this isn't just about adding air, but also redistributing materials to ensure even decomposition. Gloves are a must-have for handling potentially messy or soiled materials safely.

Then there are consumables – items that you’ll need to replenish throughout the composting season. Compostable liners for bins or containers are incredibly useful for containing food scraps and preventing mess. You'll likely go through a significant amount of brown compostable material, such as shredded paper, cardboard, or straw, which forms the carbon-rich base of your pile – ensuring this supply is readily available is key to success. Furthermore, consider a small sprayer bottle filled with water; regularly moistening the compost pile helps maintain optimal moisture levels for microbial activity.

Beyond these basics, some systems benefit from additional support. For tumbler composters, you’ll need a lubricant like vegetable oil or silicone spray to assist with turning – this will reduce friction and make the process easier. Similarly, if using a traditional heap, a layer of cardboard underneath can help contain weeds and prevent material from spreading.

Finally, don't overlook protective measures. Depending on your location and the time of year, shielding your compost pile from excessive rain or direct sunlight can be beneficial. A simple covering made from tarpaulin or even an old sheet can provide some protection. Remember that successful composting relies on a balance – moisture, air, and nutrients – and these supplementary items are there to help you maintain this crucial equilibrium.

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.

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