Which UK Teabags Are Plastic-Free? May 2026 List, Teas.co.uk

Which UK Teabags Are Plastic Free?

Independent testing found only a few UK brands genuinely plastic free, and many "plastic free" claims still use PLA. The plain, dated picture.

Published 22 Mar 2026 Curator-written, not crowdsourced

The short version: A UK guide to plastic-free teabag brands: Dragonfly, Hampstead, Pukka, Clipper, Yorkshire Tea. PLA caveats and verification approach.

"Plastic free" on a teabox does not always mean what you think. This sits in the teabag safety cluster beside are teabags plastic.

Last reviewed by the teas.co.uk team in March 2026.

General information based on published studies and brand testing, accurate as of May 2026; the science is evolving and figures are estimates, not medical advice.

UK teabag plastic-free status (May 2026)

Brand	Plastic-free status
Dragonfly	Genuinely plastic-free (stitched paper bags, cotton string)
Hampstead Tea	Genuinely plastic-free
Pukka	Genuinely plastic-free (stitched paper bags)
Clipper	Plastic-free for standard bags (PLA pyramid range separately)
Yorkshire Tea	Plastic-free since 2020 (transitioned all standard product)
Twinings	Bag material plastic-free; string/tag may contain plastic in some variants
PG Tips	Plastic-free standard bags (transition completed 2022-2023)
Teapigs	Plant-based (PLA) tea temples - technically plastic, plant-derived
Tetley	Some product lines plastic-free; verify per-product
Supermarket own-brand	Variable; many use PLA marketed as "plastic-free"
Typhoo	Transition signaled under Supreme PLC (2025+ relaunch)

What the testing found

Independent testing reported by the consumer group Which? examined 28 UK brands and found only a small minority genuinely plastic-free across every component, the bag, the heat-seal, the string, the tag and the wrapper. As of mid-2026 the cleanest names are a short list, Dragonfly, Hampstead Tea and Pukka, all using stitched paper bags, plus Clipper, Yorkshire Tea (plastic-free since 2020) and PG Tips for their standard bag lines, with caveats on specific variants. Twinings was noted as plastic-free in the bag but with plastic possible in some string or tag. Treat any list as dated and re-check current packaging, since brand transitions keep happening.

Explore in our shop: Pukka Organic Herbal Collection, 20 Tea Bags 34.4g.

The PLA caveat

The biggest source of confusion is PLA (polylactic acid), a plant-based plastic made from corn starch or sugarcane. Some makers market PLA bags as plastic-free because it is plant-derived rather than petroleum-based, but it is still a polymer that behaves like other plastics in many ways, so the label is misleading read strictly. Research on PLA-specific shedding under brewing heat is thinner than for conventional plastics, and the conservative view is that PLA is not equivalent to true paper-only construction. It is also industrially compostable but not home compostable, so compostable on a PLA pack means an industrial facility, not your garden bin. See what PLA is.

The string, tag and wrapper layers

It pays to look beyond the bag itself, because a teabag can hide plastic in several places. The bag material is the main concern, but the string is sometimes nylon rather than cotton, the tag is sometimes plastic-coated for water resistance, the individual envelope is sometimes plastic-coated cellulose, and even the box can have a plastic inner coating. For genuine plastic-elimination, all of these need to be plastic-free, not just the bag. The truly clean brands (Dragonfly, Hampstead, Pukka) tend to be plastic-free across every component, whereas many plastic-free bag brands still carry a plastic string, tag or wrapper.

How to verify a claim yourself

A few habits cut through the marketing. Read the packaging literally: plastic-free or 100% biodegradable is more reliable than vague natural materials or eco-friendly. Look for specific certifications, TUV Austria's OK Compost Home is the strictest home-compostability mark, EN13432 covers industrial composting. Check brand websites, where ethical brands usually disclose materials component by component. Search independent testing from Which? or Ethical Consumer for third-party verification. And when in doubt, default to loose leaf, which sidesteps the question entirely. See how to avoid plastic.

Pricing across plastic-free brands

Going plastic-free does not have to cost more. Mainstream plastic-free options like Yorkshire Tea and PG Tips sell at roughly the same price as their old plastic versions; the switch did not push prices up. Mid-tier ethical brands like Clipper and Heath and Heather sit a little above that, around ten to twenty per cent, reflecting organic and Fairtrade certification as well. Premium brands like Pukka and Dragonfly cost substantially more, reflecting herbalist recipes, direct fair-trade sourcing and B Corp positioning rather than the plastic-free claim alone. So plastic-free is affordable if a mainstream brand suits you; committed ethical buying is what costs more.

Loose-leaf: the simplest certainty

The single cleanest answer is loose-leaf tea, brewed with a stainless-steel infuser, a teapot and strainer or a gaiwan. No bag means no plastic across any component, the cost is usually lower per cup than premium plastic-free bags, and the cup is generally better. The only barriers are practical, a little kit and a little clean-up, not economic. See loose leaf tea.

What to buy

For the most rigorously plastic-free bagged tea buy Dragonfly, Hampstead Tea or Pukka (all stitched paper). For mainstream plastic-free buy Clipper, Yorkshire Tea, PG Tips or Heath and Heather. For absolute certainty buy loose-leaf tea. For the kit buy a teapot or a stainless-steel infuser.