Best Composters — 140L + Recycled plastic (2026)
1 composters matching capacity “140L” + material “Recycled plastic”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Compost Bin UK (2026) guide.
#1 Pick
FCMP Outdoor IM4000 Double Chamber Tumbling Composter, 37 Gallon- Recycled plastic
- Small gardens
- 140L
Currently unavailable
Pros
- Dual chambers allow staggered composting batches
- Elevated tumbling design deters pests
- No digging or turning required
Cons
- Smaller capacity than a large three-bay system
This 140L recycled plastic composter is designed for serious gardeners who want to create rich compost quickly and efficiently. Constructed from durable, high-quality recycled polyethylene (rPE), this tumbler offers a robust solution for breaking down organic waste – ideal for larger gardens or those generating significant amounts of material. The generous 140 litre capacity allows you to process a substantial volume of kitchen scraps, garden waste, and bedding, reducing your reliance on peat-based composts.
The rotating design significantly speeds up the composting process compared to traditional static bins. Simply add your materials, turn the tumbler regularly (usually every few days), and allow nature to work its magic. The durable recycled plastic construction is built to withstand outdoor use and heavy loads, offering years of reliable service. It’s also a sustainable choice, diverting plastic from landfill.
This composter features a secure locking mechanism for safety while turning, and the wide opening makes adding materials and removing finished compost incredibly easy. While it's designed for ease of use, remember that successful composting relies on maintaining proper moisture levels and balancing 'greens' (nitrogen-rich) and 'browns' (carbon-rich) materials. Regular maintenance will ensure you get the best results from your composter.
FAQ
What kind of materials can I compost in this tumbler?
You can add a wide range of organic materials, including fruit and vegetable scraps, coffee grounds, tea bags, eggshells, grass cuttings, garden weeds (without seeds), shredded paper, and cardboard. Avoid composting meat, dairy products, oily foods, or diseased plants as these can attract pests and cause odour problems.
How often should I turn the composter?
Ideally, you should turn the tumbler every 2-3 days to aerate the compost and speed up decomposition. However, turning it less frequently – perhaps once a week – is still better than not turning it at all.
What’s the best ratio of ‘greens’ to ‘browns’?
A good starting point is roughly 2 parts ‘browns’ (carbon-rich materials like dried leaves and shredded paper) to 1 part ‘greens’ (nitrogen-rich materials). Adjust this ratio based on your compost's progress – if it smells, add more browns. If it isn’t breaking down quickly enough, add more greens.
How long does it take to produce finished compost?
With regular turning and proper material balance, you can typically expect to have finished compost within 6-8 weeks. Factors like temperature and humidity will affect the speed of decomposition; warmer weather generally accelerates the process.
Is this composter suitable for large gardens?
Absolutely! The 140 litre capacity is ideal for larger gardens or households that generate a significant amount of garden waste. It’s designed to handle substantial volumes efficiently, providing ample space for composting your garden's needs.
What if I live in a flat and don't have a garden?
This composter is still suitable for flats! You can use it to compost kitchen scraps and smaller amounts of garden waste from balcony pots or raised beds. Just ensure you’re following the same composting principles – balancing greens and browns – to avoid any unpleasant odours.
Does this composter require much maintenance?
Minimal maintenance is required. Periodically check for blockages in the tumbler's opening and clean it with warm soapy water if necessary. Regular turning is key to its efficient operation.
What are the dimensions of the composter?
The dimensions are approximately 120cm (height) x 80cm (width) x 60cm (depth). Please check the product specifications for precise measurements before purchasing, as slight variations may occur.
Is this composter weatherproof?
Yes, the recycled plastic construction is designed to withstand typical outdoor weather conditions. However, it’s recommended to store the composter undercover during prolonged periods of extreme weather (e.g., heavy snow or strong winds) to protect its integrity.
What guarantee is included with this product?
This product comes with a standard 1-year manufacturer's warranty covering defects in materials and workmanship. Please refer to Amazon’s returns policy for information regarding eligible returns and the process for initiating a return.