June 1 2026
If you're running a food business in the UK, you'll know that packaging is never just about looking nice. There's a whole stack of regulations you need to navigate, materials you can and cannot use, and decisions that directly affect your product's shelf life and your customers' safety.
The good news? Sustainable food packaging isn't some distant, expensive dream for big manufacturers anymore. Small bakeries, jam makers, coffee roasters, and ready-meal producers are doing it every day, and many find that eco-friendly options actually simplify their compliance headaches.
The challenge is knowing where to start. What materials are actually approved for food contact? How do you balance sustainability with protection? And yes, what's this going to cost?
In this guide, we'll walk through the real regulations you need to follow, the materials that actually work, and how to source sustainable food packaging without losing sleep over compliance. We'll also share what other small UK food businesses are doing right now, because practical examples beat theory every time.
Let’s start with the legal bit, because it’s actually more straightforward than many people think. If your packaging touches food directly, it falls under the Food Safety Act 1990 and the Food Contact Materials and Articles Regulations 2012 (EU 2023/2006, which the UK has adopted post-Brexit).
The core principle is simple: your packaging material cannot migrate harmful substances into food. That means no dodgy dyes, no broken-down plastics, no materials that weren’t designed for food contact.
In practice, this means your supplier needs to be able to prove compliance. They should provide what’s called a Declaration of Compliance (DoC). If you’re dealing with a printer or box manufacturer, ask for it directly. It’s not optional information; it’s essential documentation that protects both of you.
Here’s where sustainable options shine. The materials approved for food contact in the UK include:
Cardboard and corrugated board are fully approved for food contact, with one important caveat: the printing inks and any internal coatings must themselves be food-safe. This is crucial. A beautiful, sustainably sourced cardboard box can fail compliance if someone used the wrong ink on it.
Kraft paper and uncoated cardboard are brilliant for indirect contact (where the paper doesn’t touch food directly, but sits between the food and another layer). Many small producers use kraft kraft paper sleeves inside boxes for bakery items, and it’s completely compliant.
Grease-proof and silicone-coated papers are approved and increasingly popular. They provide a barrier without the plastic film that worries consumers. A bakery using silicone-coated greaseproof paper inside kraft boxes ticks every box: food-safe, sustainable, and it looks great.
PLA (polylactic acid) and other bioplastics are approved if they meet specific testing standards. The catch? They need certification, and you need that Declaration of Compliance. They’re not automatically safe just because they’re “bio.”
What’s not approved? PVC (polyvinyl chloride) should generally be avoided for direct food contact in the UK. BPA-containing materials have strict restrictions. And recycled cardboard shouldn’t be used for direct food contact unless the supplier has specifically tested and certified it for that purpose.
You’ve probably seen FSC labels and wondered whether they matter for food packaging. They do, but not in the way you might think.
FSC (Forest Stewardship Council) certification tells you the source material was responsibly harvested. It doesn’t specifically address food contact compliance. You can have an FSC certified box that’s fully compliant with food contact regulations, but the FSC logo and the food-safe certification are separate achievements.
For sustainable food packaging, look for suppliers who can provide both: FSC certification for the raw material, and food contact compliance documentation for the finished product. Boxtopia, for example, offers FSC certified custom boxes with full food contact declarations, which means you’re getting sustainability without compromising on the legal side.
Different foods present different challenges, and your packaging choice should reflect what you’re actually protecting.
For dry goods, you’ve got the most flexibility. A simple kraft cardboard box with minimal internal treatment often works beautifully. Many small tea and coffee roasters use uncoated kraft boxes with a printed kraft paper sleeve inside. Cost? Around 35-50p per box at modest quantities.
If you want extra protection against moisture and light, a kraft box with an internal moisture barrier (non-plastic options like silicone-coated paper) runs 60-80p per box. This matters if you’re selling goods that need to stay crispy or fresh-tasting for months.
This is where silicone-coated greaseproof paper becomes your friend. A standard bakery box lined with this material costs around 40-65p depending on size. It prevents grease migration (which can make the outer box soggy), it’s food-safe, and it’s recyclable.
Some producers are experimenting with beeswax-coated paper for premium baked goods. It’s more expensive (£1.20-2.00 per box), but it’s genuinely sustainable, requires no plastic, and has a premium feel that justifies the cost for artisanal products.
This is trickier. You need a moisture barrier that won’t let condensation ruin your packaging integrity. Here, you’re looking at coated cardboard with approved internal barriers. CPET (crystalline PET) is often the best option if you want something more sustainable than standard plastic. A small ready-meal container with CPET coating runs 80p-£1.50 depending on size.
Some producers are having success with wax-coated cardboard (similar to the vintage milk carton approach), but shelf-life requirements often demand something more robust.
Let’s talk money, because compliance that breaks your margins isn’t helpful to anyone.
A small artisanal bakery ordering 500 boxes per month might pay 50p per box for FSC kraft boxes with greaseproof lining. That’s £250 per month, or about 6-8p per item for a loaf of bread or premium cake.
That same bakery, ordering from a non-specialist generic box printer, might get boxes at 35p. But if those boxes have no food contact documentation, that 15p saving comes with regulatory risk. We’re talking possible environmental health department scrutiny, potential product liability exposure, and the nightmare of needing to pull stock.
When you factor in the cost of non-compliance, the “budget” option often isn’t budget at all.
Custom sustainable boxes, ordered direct from specialists like Boxtopia, actually tend to be cheaper at volume than generic solutions. Because there’s no minimum order (you can order 100 boxes if that’s what you need), your cost per unit falls faster. A run of 1,000 boxes might drop that 50p price to 35-40p, suddenly making premium sustainable packaging accessible.
You need three things from any supplier:
One: Explicit food contact certification. Ask for their Declaration of Compliance. If they hesitate, walk away. This isn’t negotiable.
Two: FSC or equivalent sustainability certification. Confirm it applies to the specific product you’re ordering, not just their general operations.
Three: Flexibility without minimum orders. Small food businesses often need to test new sizes, designs, or materials. A supplier who forces you to order 5,000 boxes to try something new isn’t your partner; they’re limiting your growth.
The cost difference between suppliers often comes down to volume flexibility and transparency. Boxtopia’s approach of no minimum order and free UK delivery means you’re not subsidizing someone else’s bulk orders with inflated pricing.
Before you commit to a large order, test your chosen packaging. Put your actual product in it, store it in realistic conditions, and see if the packaging performs. Does condensation accumulate? Does grease seep through? Does the box integrity hold over time?
This isn’t paranoid; it’s professional. A bakery that tests their packaging at a cool room temperature versus unheated storage room discovers real-world performance issues before they ship hundreds of units to customers.
Sustainable food packaging in the UK isn’t about choosing between compliance and conscience. The right materials do both simultaneously. FSC certified cardboard with proper food contact declarations protects your product, satisfies your customers’ values, and keeps you on the right side of regulations.
The investment is modest, especially when you work with suppliers who understand small business needs. That 15-20p per box cost often translates to something your customers willingly pay for, especially if you’re transparent about why your packaging matters.
Start by asking your current supplier for their Declaration of Compliance. If they can’t provide it, that’s your signal to explore alternatives. Get quotes from specialists who offer food-contact certified sustainable options without forcing you into massive minimum orders. Test before you commit to scale.
Your packaging tells your customers you’re serious about both their safety and the planet. That story is worth telling, and it’s worth getting right. Get in touch with specialists like Boxtopia for custom sustainable boxes that tick every box on compliance, cost, and conscience.
The UK food packaging landscape is shifting quickly. Extended Producer Responsibility regulations coming in 2025 and 2026 will make businesses financially responsible for the end-of-life disposal of their packaging. Companies already using recyclable or compostable materials will be in a much stronger position when these charges take effect. Investing in sustainable food packaging now is not just about meeting current customer expectations. It is about positioning your business to avoid costs and complications that are coming down the line. Start with your highest-volume packaging items, get your compliance documentation in order, and build from there.
