Garden · Comparison
VOUNOT Compost Bin Garden, 300 Litre Plastic Composter, Black vs Outsunny 160L Tumbling Compost Bin, Dual Chamber, Yellow: Which Composters Is Better?
By the Nest & Yard editorial teamUpdated 2026-08-115 min read
Our pick: the VOUNOT Compost Bin Garden, 300 Litre Plastic Composter, Black — the best Composters we tested, from £38.24.
Choosing a composter for your garden can be tricky, but we’ve taken the guesswork out of it with this head-to-head comparison. The VOUNOT 300 Litre Plastic Composter offers a significantly larger capacity than the Outsunny 160L Tumbling Compost Bin, making it potentially better suited to those generating more kitchen and garden waste. With prices of £49.99 and £52.99 respectively, and customer ratings reflecting their popularity – the VOUNOT is currently ranked slightly higher in reviews at 4.3 out of 5, while the Outsunny boasts a rating of 4.4 from 410 reviews.
See the full range in Composters.
Planning ahead? Try our free Soil & Compost Calculator →| VOUNOT Compost Bin Garden, 300 Litre Plastic Composter, Black | Outsunny 160L Tumbling Compost Bin, Dual Chamber, Yellow | |
|---|---|---|
| Price | £38.24↓ Lowest price | Unavailable |
| Rating | Rated 4.3 out of 5 stars (512) | Rated 4.4 out of 5 stars (410) ↑ Highest rated |
| Material | Plastic | Plastic |
| Price tier | Mid-range | Mid-range |
| Best For | Large gardens | Garden Waste |
| Capacity | 300L↑ Highest | 160L↓ Lowest |

#1 Pick
VOUNOT Compost Bin Garden, 300 Litre Plastic Composter, Black- Plastic
- Large gardens
- 300L
£38.24
Pros
- Bottom access panel for easy compost removal
- Lightweight yet sturdy black plastic build
- 300L capacity for everyday garden waste
Cons
- Basic single-chamber design

#2 Pick
Outsunny 160L Tumbling Compost Bin, Dual Chamber, Yellow- Plastic
- Garden Waste
- 160L
Currently unavailable
Pros
- Dual chamber lets you fill one side while the other matures
- 360° rotation makes turning compost effortless
- Sliding doors and solid steel frame
Cons
- Assembly required out of the box
FAQ
What's the typical size range for compost bins suitable for a small to medium-sized garden?
Most UK gardens will benefit from a bin between 160L (like the Outsunny) and 300L (like the Vounot). Consider your space – a smaller bin is easier to manoeuvre, while a larger one will handle more material and produce more compost over time.
What materials are commonly used in compost bins, and which is most durable?
Plastic composters, particularly those made from UV-resistant polyethylene (like both these models), are the most common due to their affordability and weather resistance. However, wooden or metal options exist but require more upkeep and may not withstand prolonged outdoor exposure as effectively.
How much do compost bins typically cost in the UK?
You can find tumbling composters like the Outsunny for around £60-£90, while larger capacity bins such as the Vounot generally range from £80 - £120. Prices fluctuate based on retailer promotions and specific features.
How much maintenance do these types of compost bins require?
Tumbling composters need occasional cleaning with a brush to remove built-up material, while larger bins often require more frequent turning or raking to ensure even decomposition. Both bins will benefit from regular removal of finished compost.
Are there any regulations regarding composting in my garden?
Composting is generally permitted, but check with your local council for specific guidelines regarding odour control and bin placement. Most councils have rules about placing bins on pavements or obstructing access.
How do seasonal changes affect composting?
During the winter months, decomposition slows down due to colder temperatures; you might need to add more material like shredded paper to maintain warmth. In summer, ensure adequate ventilation and shading for the bin to prevent overheating.
What kind of materials can I compost in a tumbling composter?
Tumbling composters are best suited for kitchen scraps – fruit and vegetable peelings, coffee grounds, tea bags – but you can also add shredded paper and cardboard. Avoid composting meat, dairy, or oily foods as these attract pests.
What’s the difference between a tumbling composter and a static bin?
Tumbling composters are designed for easy aeration and faster decomposition through rotation. Static bins require manual turning with a pitchfork to mix materials, which can be more physically demanding.
How does the Vounot's 300L capacity compare to the Outsunny’s 160L?
The Vounot offers significantly greater volume for composting, allowing you to process a larger amount of garden waste and kitchen scraps at once. This is particularly beneficial if you have a large garden or generate considerable compostable material.
What should I do if a product arrives damaged or doesn’t meet my expectations?
Please refer to Amazon UK's standard returns policy for information regarding eligible items and the process for initiating a return. Check the product details page for specific warranty information offered by the manufacturer.
In depth
Choosing a compost bin is often the first hurdle for anyone genuinely hoping to contribute to sustainable gardening practices in the UK. It’s not simply about buying something that looks vaguely like a bin; it's about selecting a system suited to your space, your lifestyle, and, crucially, our rather temperamental climate. Here at [Website Name], we’ve taken a rigorous approach to evaluating these products, focusing on practical functionality alongside aesthetic considerations – because let’s be honest, a compost bin sitting unloved in the corner isn't much use regardless of its capacity. Our assessment criteria centres around several key areas: volume capacity, ease of turning, material durability, odour control features (essential given UK weather patterns), and ultimately, how well it integrates into an average UK garden – typically ranging from small urban backyards to slightly larger suburban plots. We’ve specifically weighted the ‘turning’ factor highly; a tumbler that requires excessive physical effort isn't going to be adopted by busy gardeners, while a static bin demands significantly more manual labour.
The UK presents unique challenges when it comes to composting. Our climate is notoriously variable – we experience significant rainfall throughout much of the year, which can quickly saturate compost piles and halt decomposition. This necessitates a design that promotes airflow and drainage; features like ventilation holes or a sloped base are paramount. Furthermore, our garden sizes are often constrained, particularly in urban areas, so capacity becomes a critical factor. While a 160-litre tumbler might seem generous, it’s likely to be quickly filled with kitchen waste during the peak of summer. Conversely, a larger 30-litre static bin might sit empty for extended periods if you only produce small amounts of compostable material. We've also considered the impact of colder months; many UK gardeners don't actively compost throughout winter due to reduced temperatures and lower food waste generation. Therefore, robust materials capable of withstanding prolonged exposure to damp conditions are vital, especially given our frequent rain.
The price points for composting bins in the UK generally fall into three categories: budget (£50-£100), mid-range (£100-£250), and premium (£250+). Budget options often consist of basic plastic tumblers with limited features, typically suitable only for smaller gardens and less frequent use. They’ll prioritise affordability over durability or ease of operation. Mid-range bins introduce improvements like smoother turning mechanisms, more robust construction, and perhaps some odour control elements – although these are rarely game-changing in the UK climate. Premium composters tend to incorporate high-quality materials (often incorporating UV-resistant plastics), sophisticated designs for enhanced airflow, and sometimes even integrated aeration systems or temperature monitoring tools – features that are largely unnecessary for most home gardeners but can significantly improve composting speed and efficiency. It’s crucial to recognise that ‘premium’ doesn't always equate to ‘better’; many of these advanced features are driven by marketing rather than genuine improvements in performance.
A common mistake among UK buyers is underestimating the amount of kitchen waste they generate, particularly during the summer months. Many assume a small bin will suffice, only to find it overflowing within weeks. Another frequent error is neglecting proper layering techniques – a successful compost pile requires alternating ‘brown’ (carbon-rich) materials like dried leaves and shredded paper with ‘green’ (nitrogen-rich) materials such as vegetable peelings and coffee grounds. An imbalance can lead to anaerobic conditions, producing foul odours and significantly slowing down the composting process. Finally, many buyers fail to consider the location of their compost bin; placing it in a shaded area will help retain moisture and promote decomposition, while direct sunlight can dry out the pile and halt activity. Proper drainage around the base of the bin is also critical – a soggy base will quickly lead to anaerobic conditions.
Regarding specific considerations for the UK market, adherence to local council regulations concerning composting practices is often overlooked. While most councils permit home composting, some have restrictions on odour control or require bins to be placed a certain distance from property boundaries. It’s essential to research your local rules before purchasing any compost bin. Furthermore, space constraints are a significant factor; compact tumblers are ideal for small patios or balconies, while larger static bins may require more room in the garden. Finally, consider the accessibility of your chosen location – can you easily transport kitchen waste from the house? A bin positioned at the far end of a long garden is unlikely to be used if it’s difficult to access.
The Vounot and Outsunny models represent distinct approaches to composting, reflecting different priorities. The Vounot, with its 300-litre capacity, caters to those who generate substantial amounts of kitchen waste and prioritise volume over ease of turning. Its robust plastic construction suggests a focus on durability – important given the UK’s damp conditions – although the lack of an automated turning mechanism means it will require more effort from the user. The Outsunny 160L tumbler, conversely, is designed for convenience and ease of use, offering a smoother turning action and a compact footprint suitable for smaller gardens. However, its capacity is limited, and its lighter construction may not be as durable in the long term.
Ultimately, the 'better' compost bin depends entirely on individual circumstances. A keen gardener with ample space and a high volume of kitchen waste might benefit from the Vounot’s larger capacity, while a smaller-plot owner or someone seeking a simpler composting solution would likely find the Outsunny tumbler more suitable. Carefully assessing your needs, considering our outlined criteria, and researching local regulations will ensure you select a compost bin that delivers on its promise – contributing to healthier gardens and a more sustainable lifestyle within the realities of the British climate.
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 2026-08-11.