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Food Waste Caddies Sizes Explained

By the Nest & Yard editorial teamUpdated 2026-08-094 min read

Our pick: the Joseph Joseph Intelligent Waste, Stack 4 Kitchen Food Waste Compost Caddy Recycling Bin with Odour Filter, 4 Litres, Graphite — the best Food Waste Caddies we tested, from £26.93.

Reducing food waste is a fantastic way to save money and help the environment – but finding the right food waste caddy can be tricky! This guide breaks down the confusing size labels you’ll find on kitchen compost bins available on Amazon UK, explaining exactly what each measurement means and helping you choose a suitable option for your household. We'll look at some popular models like those from Joseph Joseph and Minky, along with other options, to ensure you select a caddy that fits comfortably in your space and suits your needs.

See the full range in Food Waste Caddies.

Pros

  • Built-in carbon odour filter keeps kitchen smells firmly contained
  • Stacks neatly with other Joseph Joseph Intelligent Waste bins
  • One of Amazon UK's most reviewed food waste caddies

Cons

  • Premium design costs more than a basic plastic caddy
View on Amazon →
Minky 3.5L Caddy, Food Waste Caddy, Removable Bag Retention Ring, UK Made
Best Budget

#2 Pick

Minky 3.5L Caddy, Food Waste Caddy, Removable Bag Retention Ring, UK Made
Rated 4.5 out of 5 stars (4,935)
  • 3.5 Litre
  • White

£8.00

Pros

  • Compact 3.5L size is ideal for worktop use in smaller kitchens
  • Removable bag retention ring keeps compostable liners in place
  • UK made and one of Amazon UK's best-selling food waste caddies

Cons

  • Small capacity needs emptying at least once a day
View on Amazon →
Addis 515630 2.5 Litre Kitchen Compost Caddy, Black/Grey
Best Value

#3 Pick

Addis 515630 2.5 Litre Kitchen Compost Caddy, Black/Grey
Rated 4.7 out of 5 stars (2,763)
  • 2.5 Litre
  • Black/Grey

£12.00

Pros

  • Removable lid makes washing, emptying and refilling the caddy quick
  • Inner bucket conceals compost bags for a tidier worktop look
  • Trusted British homeware brand with a strong average rating

Cons

  • Compact 2.5L capacity suits smaller households best
View on Amazon →
Addis Everyday Kitchen Food Waste Compost Caddy Bin, 4.5 Litre, Air Blue

#4 Pick

Addis Everyday Kitchen Food Waste Compost Caddy Bin, 4.5 Litre, Air Blue
Rated 4.6 out of 5 stars (2,724)
  • 4.5 Litre
  • Blue

£9.29

Pros

  • Compact 4.5L size fits neatly on a worktop or under the sink
  • Clip-lock lid and carry handle make emptying quick and mess-free
  • One of the best-selling budget caddies on Amazon UK

Cons

  • Small capacity needs emptying daily in a busy kitchen
View on Amazon →

FAQ

What do the terms 'litre' and 'gallon' mean when describing food waste caddies?

A litre is a unit of volume equal to approximately 1000 cubic centimetres, often used for smaller caddies. A gallon is traditionally 10 litres but is less commonly seen on modern UK products; always check the actual dimensions in centimetres.

Why are food waste caddies measured in both litres and centimetres?

Measuring in both allows for precise comparison of volume with the physical space available within your kitchen, considering that a litre isn't a standard shape.

What does a '30-litre' food waste caddy actually hold?

A 30-litre caddy can typically hold around 30 kilograms of bagged food waste, although this will vary slightly depending on the bag size and compaction.

How do I measure the space available for a food waste caddy?

Measure the width, depth, and height of the area where you intend to place the caddy; ensure there’s enough clearance for easy access and emptying.

Should I buy a smaller caddy if my kitchen is small?

Yes, consider a 10-20 litre caddy for compact kitchens or single-person households. Larger caddies can be cumbersome and difficult to manoeuvre.

What’s the difference between a ‘slimline’ and a ‘standard’ food waste caddy?

'Slimline' models are designed with narrower dimensions, typically around 28cm wide, for fitting into tight spaces; 'Standard' models usually measure 34-36cm wide.

If I have a family of four, which size caddy would be suitable?

For a larger household, a 60-80 litre capacity is generally recommended to handle the increased volume of food waste produced weekly.

How accurate are the stated volumes on the caddies themselves?

The listed litres represent the maximum capacity when the caddy is full; some settling or compaction may occur, so allow for a little extra space.

Can I use a food waste caddy with different types of bags?

While most caddies will accommodate standard black bin bags, consider using thicker compostable bags to prevent leaks and maintain hygiene.

What should I do if the dimensions listed online don’t match the actual product received?

Refer to Amazon's returns policy for details on how to initiate a return if there are discrepancies between the stated dimensions and the delivered product.

In depth

Food waste caddies are increasingly common in UK homes – local councils require them for kerbside collections of food scraps, encouraging composting and reducing landfill waste. However, the sheer variety of sizes available can be baffling. It’s not simply about ‘a big one’ or ‘a small one’; understanding the terminology used by manufacturers is crucial to finding a caddy that fits your kitchen and habits without being unnecessarily large or awkwardly small. The most frequent source of confusion stems from inconsistent labeling, often relying on volume measurements that don't directly translate to practical usability in a typical British household.

The primary sizing categories you’ll encounter relate to capacity, typically expressed in litres (L). You’ll see terms like ‘Small’, ‘Medium’, and ‘Large’ used quite liberally, but these aren’t standardised. A ‘Small’ caddy might hold 60 litres – perfectly adequate for a single person or couple with minimal food waste – while another manufacturer's ‘Small’ could be closer to 30 litres, suitable only for very light disposers. Similarly, ‘Medium’ can vary dramatically; one brand might offer a 120 litre option, frequently seen in larger families, while another's ‘Medium’ could be barely 80L. The manufacturer's website or product description will usually state the volume, but it's important to note that this is often the *maximum* capacity when the caddy is filled to the brim. Allow for some headspace to prevent spills and enable easy emptying.

A more granular approach to sizing considers typical household food waste generation. A single adult living alone will almost certainly benefit from a 30-60 litre caddy, allowing room for vegetable peelings, coffee grounds, and eggshells. Couples generating moderate amounts of waste – perhaps including occasional meat dishes or larger fruit portions – should look at 80-120 litres. Families with children, particularly those consuming significant quantities of prepared foods like pasta sauces and soups, will require a considerably larger capacity; 150-240 litres is becoming increasingly common in households where food waste volume tends to be higher. It’s worth considering the type of food you typically discard; meat and dairy contribute significantly more liquid waste than vegetable scraps alone, so factor this into your sizing decision.

The most significant mistake shoppers make when purchasing a food waste caddy is focusing solely on the stated litre capacity without considering the physical dimensions. Many manufacturers prioritize volume over practical form factors. You’ll find caddies that are incredibly tall and thin – achieving the 120L or more advertised capacity but taking up an enormous amount of floor space in your kitchen. Conversely, some caddies are wide and shallow, offering a lower overall volume but being much easier to manoeuvre and empty. Measure the available space in your designated food waste area – consider height, width, and depth – before making a purchase. A poorly sized caddy will be difficult to use, awkward to store when not in use, and may even prove impossible to fit into smaller kitchens or cupboards.

Another aspect to bear in mind is the design of the caddy itself. Some models feature lids that seal tightly, minimising smells and deterring pests – a crucial consideration for food waste containment. Others have simpler designs with looser-fitting lids. The lid mechanism can also impact ease of emptying; look for caddies with a wide opening or a simple lever system. Furthermore, consider the material. Many caddies are made from durable plastic, but some incorporate recycled materials or boast improved odour control features through activated carbon filters (often sold separately). While these extras add to the initial cost, they can significantly improve the user experience and contribute to more effective food waste management.

Finally, remember that local council regulations sometimes dictate minimum caddy sizes for kerbside collections. Check your local authority’s website for specific requirements before purchasing – some councils may mandate a minimum capacity to ensure sufficient volume for collection. It's also worth noting that while manufacturers often advertise ‘maximum’ capacities, the actual usable space might be less if you frequently fill the caddy to overflowing. A slightly larger caddy than your initial estimate provides peace of mind and prevents frequent, messy emptying operations.

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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