Best Composters — 220L + Small gardens (2026)
3 composters matching capacity “220L” + best for “Small gardens”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Compost Bin UK (2026) guide.

#1 Pick
Charles Bentley Ward 220L Ecomax Garden Composter- 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

#2 Pick
Blackwall 220 Litre Green Compost Converter- Recycled plastic
- Small gardens
- 220L
£59.99
Pros
- UK-manufactured with 5-year guarantee
- UV-stabilised recycled plastic construction
- Compact 220L size suits smaller gardens
Cons
- No base plate included as standard

#3 Pick
Strata GN332 Outdoor Garden Compost Bin, 220L- 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
At a glance
- Products
- 3
- Price range
- £42.99–£59.99
- Average price
- £52.66
- Average rating
- 4.30 / 5
- Total reviews
- 2,035
- Top brand
- Charles Bentley (1)
- In stock
- 3
Ideal for smaller garden spaces, these 220L composters provide a substantial volume for creating rich, nutrient-packed soil for your plants. Designed specifically for use in small gardens and allotments, this model offers an efficient way to convert kitchen scraps and garden waste into valuable compost. Constructed from durable, UV-resistant polyethylene, it’s built to withstand the elements and deliver consistent performance season after season – simply follow Amazon's guidelines for returns if you are not entirely satisfied.
FAQ
What size garden is this composter suitable for?
This 220L composter is ideally suited for gardens up to approximately 6m x 4m, providing ample capacity for a reasonable amount of organic waste. However, consider your overall gardening volume and the amount of green waste you generate when determining if it’s the right fit.
How long does it take to produce finished compost?
With regular layering of ‘greens’ (kitchen scraps) and ‘browns’ (leaves, twigs), you can typically expect to have usable compost within 6-12 months. Aeration and moisture management are key factors influencing the composting process.
What materials can I compost in this composter?
You can compost a wide range of materials including fruit and vegetable peelings, coffee grounds, tea bags, eggshells, shredded paper, cardboard, leaves, and small twigs. Avoid adding meat, dairy, oily foods or diseased plants to maintain optimal composting conditions.
Does this composter require any special tools?
No, this 220L composter doesn't necessitate specialized tools. A spade or garden fork is sufficient for layering materials and turning the compost regularly – ensuring good aeration is important.
How do I aerate my compost?
Regularly turning your compost pile with a pitchfork or aerator tool helps introduce oxygen, speeding up decomposition. Aim to turn it every 1-2 weeks for best results; this prevents anaerobic conditions and unpleasant smells.
Is this composter suitable for worm composting?
While you can add worms to the composter, it’s primarily designed for traditional hot or cold composting methods. Worm composting (vermicomposting) requires a different environment and setup – consider that separately.
What are the dimensions of this composter?
The approximate external dimensions of the 220L composter are 130cm (height) x 100cm (diameter). These measurements allow for comfortable access to the compost contents and efficient placement within your garden.
How do I prevent odors from developing?
Maintaining a good balance between ‘greens’ and ‘browns’, ensuring adequate aeration, and avoiding meat or dairy products will significantly reduce any potential odours. Covering food scraps with brown material also helps.
Does this composter need to be assembled?
Yes, this 220L composter requires minimal assembly – typically involving the attachment of a lid and possibly some base supports. Amazon’s product page details the exact steps for quick setup.
What is the warranty on this product?
Amazon offers standard returns terms for this product, allowing you to return it within 30 days if you are not completely satisfied. Please review Amazon's detailed returns policy on their website for full information regarding eligible conditions.