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Best Composters330L + Recycled plastic (2026)

4 composters matching capacity330L + materialRecycled plastic, hand-picked from UK Amazon listings.

Not sure which one to pick? Read our Best Compost Bin UK (2026) guide.

Blackwall Compost Converter, 330 Litre, Green

#1 Pick

Blackwall Compost Converter, 330 Litre, Green
Rated 4.4 out of 5 stars (322)
  • Recycled plastic
  • Large gardens
  • 330L

Currently unavailable

Pros

  • UK-manufactured with 5-year guarantee
  • UV-stabilised recycled plastic resists degradation
  • Conical shape retains heat for faster composting

Cons

  • No base plate included
Check on Amazon →
Green Johanna Food Waste Composter, 330 Litre

#2 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 →
Green Johanna Food Waste Composter With Insulating Jacket

#3 Pick

Green Johanna Food Waste Composter With Insulating Jacket
Rated 4.6 out of 5 stars (128)
  • Recycled plastic
  • Large gardens
  • 330L

£199.99

Pros

  • Insulating jacket maintains heat through UK winters
  • Composts food waste year-round
  • Durable recycled plastic construction

Cons

  • Bulkier than a standard composter
View on Amazon →
Blackwall 330 Litre Black Compost Converter

#4 Pick

Blackwall 330 Litre Black Compost Converter
Rated 4.3 out of 5 stars (289)
  • Recycled plastic
  • Large gardens
  • 330L

Currently unavailable

Pros

  • Wide hatch for easy access to finished compost
  • UV-stabilised recycled plastic construction
  • No assembly required, ready to use out of the box

Cons

  • No base plate included as standard
Check on Amazon →

At a glance

Products
4
Price range
£62.95–£199.99
Average price
£116.47
Average rating
4.47 / 5
Total reviews
1,080
Top brand
Blackwall (2)
Price tier split
Budget1
Mid-range1
Premium2
In stock
1

This 330L recycled plastic composter is a robust solution for tackling your household food waste and transforming it into valuable garden nutrients. Constructed from durable, high-quality recycled plastics, this composter offers long-lasting performance while minimising environmental impact. Its generous capacity – suitable for even larger gardens or families – allows you to manage significant amounts of organic material efficiently.

Designed with ease of use in mind, the composter features an open-top design for simple access and turning. The recycled plastic construction is resistant to rot and UV degradation, ensuring a long lifespan even when exposed to outdoor conditions. This composter seamlessly integrates into various garden layouts, providing a practical and sustainable way to reduce your waste footprint.

The large volume helps you compost fruit and vegetable peelings, coffee grounds, eggshells, and more. Remember to balance 'green' (nitrogen-rich) materials like grass cuttings with ‘brown’ (carbon-rich) materials such as cardboard for optimal composting. Always check the manufacturer’s instructions regarding suitable additions and maintenance.

FAQ

What size garden is this composter suitable for?

The 330L capacity makes this composter ideal for medium to large gardens, or households that generate a significant amount of food waste. It’s perfect if you regularly compost fruit and vegetable scraps from a family of four or more.

How much does it weigh when full?

A fully loaded 330L recycled plastic composter typically weighs around 35-40kg, depending on the materials used. This is important to consider when thinking about its placement within your garden.

What kind of materials can I compost in this composter?

You can compost a wide range of organic waste including fruit and vegetable peelings, tea bags, coffee grounds, eggshells, grass cuttings (in moderation), shredded cardboard, and newspaper. Avoid composting meat, dairy products, or oily foods.

Does the recycled plastic degrade over time?

The high-quality recycled plastics used in this composter are designed to withstand outdoor conditions. However, prolonged exposure to direct sunlight and extreme temperatures may cause slight fading; regular cleaning helps maintain its appearance.

How do I turn the compost?

Turning the compost regularly – every few days or weeks – is crucial for aeration and efficient decomposition. You can use a garden fork or trowel to manually turn the contents, speeding up the process.

What’s the best way to maintain my composter?

Keep the composter lid closed as much as possible to retain moisture and heat. Regularly check for excessive moisture and add more ‘brown’ materials if needed to balance the compost mix.

Can I use this composter in a small urban garden?

Yes, absolutely! The 330L capacity is well-suited for smaller urban gardens where space may be limited. Just ensure it's placed on a level surface and protected from strong winds.

How long does it take to fully compost?

The composting time varies depending on factors such as temperature, turning frequency, and the materials used. Generally, you can expect to have usable compost within 6-12 months with regular maintenance.

Is this composter suitable for worm composting?

While technically possible, this composter isn't specifically designed for worm composting. Worm bins are better suited to the needs of worms and provide a more controlled environment.

What is the warranty on this product?

Warranty details are provided by Amazon UK and depend on the specific seller’s terms. Please check the product page for detailed information regarding any available guarantees or support.