UK Plastic Packaging Tax: Calculator and Compliance Guide

The UK Plastic Packaging Tax (PPT) took effect on 1 April 2022 and now sits at £223.69 per tonne (2025 rate) on plastic packaging with less than 30% recycled content. For foodservice operators importing or producing plastic clamshells, takeaway containers, and lids, the tax has materially shifted the economics of compostable alternatives.

Useful first step: try the UK Plastic Tax Calculator to estimate your annual exposure.

Who pays the tax

PPT applies to:

• UK manufacturers producing plastic packaging
• Importers bringing plastic packaging into the UK (whether empty or as part of a finished product)
• Operators producing or importing more than 10 tonnes of plastic packaging per year

A foodservice chain importing plastic clamshells from China or India is liable as the importer, even if the chain operates the outlets through franchisees. Switching to compostable bagasse clamshells removes the liability entirely.

What’s taxable

• Plastic packaging containing less than 30% recycled content by weight
• Includes virgin plastic clamshells, takeaway containers, lids, films, and films-with-paperboard composites
• Tax applies to the plastic component only; the paperboard or other non-plastic components are not taxed

What’s exempt

1. Plastic packaging with ≥30% recycled content: verified through chain-of-custody documentation
2. Plastic packaging used for medicinal products
3. Transport packaging used to import goods into the UK (e.g., bulk shipping pallets, but not the consumer-facing packaging)
4. Compostable plastic certified to EN 13432, but documentation requirements are strict
5. Non-plastic packaging: bagasse molded fiber, pulp, paper, glass, metal are all outside the scope of PPT entirely

Why bagasse is the simplest exemption pathway

Many compostable plastic alternatives (PLA, PHA, PBAT) can qualify for exemption under EN 13432, but the documentation burden falls on the importer to prove it. Chains have lost exemption claims because:

• EN 13432 certificates expired or didn’t cover the specific SKU
• Chain-of-custody documentation for “compostable plastic” wasn’t accepted by HMRC
• Material classification disputes (e.g., bio-based plastic vs compostable plastic)

Bagasse is not plastic. It’s outside PPT scope entirely: no exemption claim required, no documentation overhead, no risk of HMRC dispute.

Calculating annual exposure

Estimating PPT exposure for a typical QSR chain:

• Average plastic clamshell weight: ~25 g
• Annual containers per outlet: ~80,000
• Outlets: 50
• Total annual plastic weight: 25 g × 80,000 × 50 = 100,000 kg = 100 tonnes
• PPT exposure: 100 tonnes × £223.69 = £22,369 per year

For a 200-outlet chain, exposure quadruples to ~£89,476 annually. For chains operating in the UK with imported Chinese plastic clamshells, this is now a top-line P&L item, and switching to bagasse eliminates it entirely.

Cost-of-switching math

Compostable bagasse SKUs typically run 15-25% above virgin plastic on unit cost at FCL volumes. For the 50-outlet chain example above:

• Plastic clamshell unit cost: £0.085 each
• Bagasse equivalent unit cost: £0.103 each (+21%)
• Annual unit cost increase: £0.018 × 4,000,000 containers = £72,000
• Plastic Tax saving: £22,369
• Net cost increase: £49,631 (offset by ~31% via tax saving)

For chains importing higher-weight plastic clamshells or operating at larger scale, the tax saving alone can fully offset the unit-cost premium. The break-even point depends on plastic weight per piece and total volume.

Reporting and registration

UK PPT registration is required if you produce or import 10+ tonnes of plastic packaging in any rolling 12-month period. Quarterly returns to HMRC due 30 days after each quarter end. Records must be retained for 6 years.

Ecofy and UK PPT

Ecofy’s bagasse molded fiber products fall outside PPT scope entirely: no plastic content. PET lids on takeaway containers are plastic and would be subject to PPT, but their weight is typically 14-21 g (vs 25-40 g for full plastic clamshells), reducing the tax exposure proportionally. Most Ecofy customers switch the high-volume bagasse clamshell container and bagasse bowl SKUs to bagasse and accept the smaller PET-lid PPT exposure. Wholesale pricing is available for chains buying at FCL volumes.