Blackwall 330 Litre Black Compost Converter

Earn points

Transform your kitchen and garden waste into nutritious, valuable feed to enrich your soil and nurture your garden wi... Read more

Choose colour:

Choose size:

Add these extras:

Free shipping on orders over £10

Please note, this is an oversized item. Please check whether we can deliver this product to your area before placing an order.

Why we love this product

  • 7-year guarantee
  • UK best-selling compost bin
  • Fantastic budget buy


  • best-seller
  • recycled plastic
  • rich compost

Transform your kitchen and garden waste into nutritious, valuable feed to enrich your soil and nurture your garden with the UK's best selling compost bin.

The Blackwall 330 Litre Black Compost Converter is expertly designed to provide a secure environment for your compost to thrive in, retaining heat to encourage moisture and produce a healthy mixture of microorganisms within the compost bin. 

Manufactured in the UK from recyclable plastic with a 7-year guarantee, the composter is available in two different sizes; the compact 220 and the larger 330 litres, and is UV stabilised to prevent any degradation. Explore our full Blackwall range here.

Sign up to receive our free Beginner's Guide to Composting here

  • Full user guide included
  • Carbon footprint certified by the Carbon Trust
  • Wide aperture enables easy filling of the composter
ModelDiameter (mm)Height (mm)
220 Litre 740900
330 Litre 8001000
Shipping & returns

Free delivery for UK customers over £10. Exclusions apply. Please see our Delivery & Returns page for more information.

For orders below this amount, we charge £2.99 for delivery.

If you want to cancel your order, please contact our customer care team. Please note you will not be able to cancel your order if it already left our dispatch centre.

It might take us up to 14 days to deliver your order. Read more.

Beginner's Guide to Composting

Get your free composting guide here!

Got a product-related question?

Browse FAQs

Added to bag

Key Points

  • Retains heat and moisture to create an optimal environment for composting.

  • Made from 100% recyclable material.

  • Voted best "BUDGET BUY" in Gardeners' World Magazine.

Top Tip
Throw in all garden and kitchen waste, including fruit and vegetable peelings, tea bags, coffee ground, but not cooked food.

Quick Facts

  • Scores highly on eco-credentials.

  • Extra wide hatch allowing easy removal of the finished compost.

  • Push-fit windproof lid prevents the contents blowing away.