Best Garden Waste Bags — 300 Litre + Mid-range (2026)
1 garden waste bags matching capacity “300 Litre” + price “Mid-range”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our How to Care for & Maintain Your Garden Waste Bags guide.
These 300 Litre Garden Waste Bags are a robust solution for managing your household's green waste. Designed for frequent use and capable of holding a significant volume, they’re perfect for clearing up after lawn mowing, hedge trimming, or autumn leaf collections. Constructed from durable polyethylene, these bags resist tearing and puncturing, offering extended usability compared to thinner options. They represent a strong balance between capacity and price, providing excellent value for gardeners needing reliable waste disposal.
#1 Pick
GardenMate Pack of 3 Large 300L PROFESSIONAL Garden Waste Bags, Heavy Duty Reusable Sacks (H84cm, D67cm)- 300 Litre
- Woven Polypropylene
£30.88
Pros
- Large 300L capacity per bag clears big jobs like hedge cutting in fewer loads
- Professional-grade fabric and stitching built for repeated heavy use
- Outstanding rating from over 4,000 UK customer reviews
Cons
- Tall 84cm height needs a clear, sheltered spot to stand while filling
FAQ
What's the typical lifespan of these 300L bags?+
The longevity depends on usage but generally, with careful handling, you can expect to use a roll of these bags throughout most autumn and winter gardening seasons. Regular checking for rips or tears is advised to maximise their durability.
Are these bags suitable for heavy garden waste like branches?+
While they're designed for general garden waste, the 300L capacity provides ample space for clippings and leaves. However, placing large, bulky branches directly into the bag could cause it to rupture; consider using a separate container for such items.
How do I best seal these bags for disposal?+
Ensure you’ve fully closed the tie-back tabs before disposing of the bag. For optimal compaction and space saving, try to remove as much air from the bag as possible prior to sealing it – this will help with disposal.
What's the best way to store a roll of these bags?+
Store your rolls in a cool, dry place away from direct sunlight. This will prevent the polyethylene from degrading and maintain its strength and integrity for future use.
Are these bags compatible with standard wheelie bins?+
Yes, these 300L bags are designed to fit comfortably within most standard household wheelie bin sizes. However, always check your local council’s guidelines regarding bag size restrictions.
What's the material like – is it waterproof?+
The polyethylene construction offers a degree of water resistance, protecting the waste inside from light rain. However, for prolonged exposure to heavy rainfall, consider using a waterproof liner within the bag for added protection.
How many bags are typically included in a roll?+
Roll quantities can vary slightly depending on the supplier, but you will usually find between 20 and 30 individual 300L bags per roll. Always check the product details for exact numbers.
Are these bags suitable for composting?+
These bags are designed for storing waste *before* disposal, not for composting directly. The polyethylene will inhibit natural decomposition processes if placed with compost materials.
What size are the tie-back tabs?+
The tie-back tabs are approximately 15cm long and wide enough to securely fasten the bag closed. They provide a firm grip for easy sealing and prevent spillage during transport or disposal.
Do these bags come in different colours?+
Typically, these mid-range 300L garden waste bags are available in black. Colour variations depend on the manufacturer's stock; check the product listing for current options.