Waste upholstered domestic seating — sofas, armchairs, dining and office chairs, footstools and futons — often contains chemical flame retardants classed as Persistent Organic Pollutants, and since 1 January 2023 this waste has had to be incinerated rather than recycled or sent to landfill.

What POPs actually are

Persistent Organic Pollutants, or POPs, are toxic chemical substances that break down very slowly in the environment and accumulate in the food chain over time. For decades, certain POPs-based flame retardants were widely used in the foam and fabric of upholstered furniture, as part of meeting UK fire safety standards for domestic seating. Although the manufacture, sale and use of products containing these particular POPs was banned some years ago, a large amount of older furniture already in circulation still contains them — which is precisely why the waste created when that furniture is eventually thrown away needed its own specific legal treatment.

Which items are actually covered

The rule applies to what’s officially termed waste upholstered domestic seating — this covers sofas, armchairs, dining chairs, office-style chairs built to domestic fire-resistance standards, footstools, pouffes and futons, and extends to any part of such an item made of or containing leather, synthetic leather, fabric or foam. The rule is aimed specifically at seating and seating-related furniture from a genuinely domestic (household) context, rather than every piece of upholstered furniture in existence.

The disposal rule: incineration, not landfill or recycling

Since 1 January 2023, waste upholstered domestic seating containing POPs must not be sent to landfill and must not be broken down for recycling. Instead, it has to be sent to an appropriately authorised incinerator — specifically a municipal or hazardous waste incinerator, or a cement kiln authorised to accept this type of waste — where the POPs are genuinely destroyed through high-temperature combustion, rather than potentially being released back into the environment through landfill breakdown or uncontrolled recycling processes. In the meantime, this waste must be stored separately from other waste streams, kept intact rather than dismantled, and handled in a way that avoids damaging it or releasing the pollutants it contains — typically within a building, in a sealed container, or securely baled and wrapped.

What’s specifically excluded from this rule

A few commonly confused item types fall outside this particular rule. Mattresses, curtains, blinds, beds, scatter cushions smaller than roughly 60cm by 60cm, and commercial seating not of a type used in the home are not classed as domestic seating for these purposes — even where they contain similar fire-retardant chemicals. This distinction matters in practice: a mattress being cleared out alongside an old sofa during a house clearance doesn’t need the same specialist incineration route the sofa itself now requires, and can generally follow normal mattress disposal and recycling routes instead.

What this means if you’re clearing a house

• Expect a genuine collector to ask, or already assume, that old sofas, armchairs and dining chairs need to go through a specific POPs-compliant disposal route rather than a standard general waste or recycling stream.
• Don’t attempt to break down or dismantle old upholstered seating yourself before collection — the legislation specifically requires this waste to stay intact and properly stored, not broken apart.
• If an item genuinely doesn’t contain POPs, it may still be suitable for reuse or standard recycling, but this determination should be made by whoever is managing the waste, not assumed casually based on the item’s age alone.
• A reputable collector should be able to explain, if asked, how they handle this category of waste — a vague or dismissive answer is a reasonable prompt to check their credentials more closely.

Why this rule came about in the first place

The requirement followed an investigation led by the Environment Agency into how these particular flame retardants were behaving once furniture reached the waste stream, and the risks of them re-entering the environment or the food chain through uncontrolled disposal routes such as landfill breakdown or shredding for recycling. Incineration at an appropriately authorised facility was identified as the route that reliably destroys the pollutants rather than simply relocating or dispersing them, which is why the legislation is specific about the type of facility involved — not just any incinerator, but one authorised to accept this particular category of waste.

FAQs

Does this rule apply to a mattress as well as a sofa?

No — mattresses are explicitly excluded from the waste upholstered domestic seating rules, even though some also contain fire-retardant chemicals. They can generally follow normal mattress disposal and recycling routes instead.

Can I still donate an old sofa for reuse?

Items that don’t contain POPs can still be suitable for reuse or recycling. Whether a specific item contains POPs isn’t something a household can reliably determine visually, so this is generally a call made by the organisation or collector assessing the item, not something to assume either way.

Why can’t this furniture just go into a normal skip or general waste collection?

Because the legislation specifically bans sending waste upholstered domestic seating containing POPs to landfill or into standard recycling processes — it has to go to an authorised incinerator instead, to ensure the pollutants are properly destroyed rather than potentially released into the environment.

Sources

This guide draws on the following primary sources, current as of 16 September 2026:

• gov.uk: Manage waste upholstered domestic seating containing POPs

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