Where uPVC sits in the DEFRA waste hierarchy, what the BPF Recovinyl scheme is actually doing, and the commercial case for closed-loop recycling — not just the environmental one.
Forty years of uPVC, now coming back round.
uPVC windows started replacing timber across the UK in serious volume from the early 1980s. Forty-plus years on, that first generation of frames is well into end-of-life territory. Replacement windows fitted in 1985 are being ripped out today; replacements fitted in 1995 will be ripped out within the next ten years. Multiply that across every street of every town, and you get a picture of the volume the trade is now dealing with — and will continue to deal with for the next two decades.
The question for any installer, fabricator or merchant is no longer whether there's a steady stream of post-consumer uPVC to manage. It's where that material ends up. And specifically: why so much of it still ends up in a skip bound for landfill or generic energy-from-waste, when uPVC is one of the most recyclable construction polymers we use.
The waste hierarchy, and where windows fit.
DEFRA's waste hierarchy is the legal backbone of how the UK is supposed to deal with waste. It's set out in the Waste (England and Wales) Regulations 2011 and has five tiers, in priority order:
- Prevention — don't generate the waste in the first place.
- Preparing for re-use — checking, cleaning, repairing so the item can be used again.
- Recycling — turning it back into materials or products.
- Other recovery — including energy from waste.
- Disposal — landfill, the option of last resort.
Anyone holding waste in the UK has a legal duty under Section 34 of the Environmental Protection Act 1990 to take all reasonable steps to apply that hierarchy. That's the duty of care. It's not a nice-to-have; it sits behind every waste transfer note you sign.
For uPVC windows, the practical reading is straightforward. Re-use of the actual frame is rarely viable at scale — colours, sizes, gasket condition and hardware compatibility kill it. So once a frame is off the wall, the right tier is recycling. Recovery (incineration) is a worse outcome — you destroy a material that has commodity value and create emissions doing it. Landfill is the worst of all: you bury an inert, recyclable polymer for centuries.
Why landfill is the wrong destination.
There's no UK ban on landfilling uPVC specifically. There doesn't need to be one for it to be a poor decision. The case against the skip-and-tip route stacks up on four fronts.
The material is recyclable, mechanically and at scale. Cleaned, shredded, separated from steel reinforcement and glass, uPVC pellets go straight back into new profile, or into garden products, fencing and cable trunking. Recyclers across Europe — and a growing number in the UK — are buying that pellet feedstock today.
It has commodity value. Clean fabricator offcuts in particular are a rebated material, not a disposal cost. A skip costs you money out the door; a properly arranged collection of clean profile pays you. That's a P&L difference, not just an environmental one. We go into the offcut economics in detail in our piece on fabricator offcut rebates.
Landfill capacity is itself constrained. The UK has been steadily closing landfill cells for a decade. Permits for new ones are difficult, slow and politically unappealing. The squeeze on capacity is one of the reasons landfill tax keeps climbing year on year — it's now well into three figures per tonne for standard-rated waste, and HMRC publish the rates annually. That's a cost increase you absorb every time you tip a uPVC-heavy load into a mixed skip.
The compliance optics are getting worse. Local authorities, housing associations and Tier 1 contractors are now asking real questions about the destination of waste at tender stage. "Where did it actually go?" used to be rhetorical. It's now a procurement question with an answer required in writing. A frame buried in landfill, with no recycling chain behind it, is increasingly hard to defend.
What BPF Recovinyl is actually doing.
The British Plastics Federation runs Recovinyl in the UK, which is the local arm of the European PVC industry's voluntary scheme to track and grow PVC recycling. Recovinyl itself sits under VinylPlus — the broader European programme that brings together PVC resin producers, additive suppliers, converters and recyclers around shared recycling targets.
In practical terms, Recovinyl operates as a registration and verification scheme for recyclers. PVC waste collected, processed and reprocessed by registered recyclers is logged and audited, and the volumes feed into VinylPlus's annual reporting on PVC recycling across Europe. The point of the audit is to give buyers, regulators and industry a credible figure for how much PVC actually goes back into use each year — versus how much is claimed.
The scheme doesn't collect waste from your site. It doesn't run skips. It's not a logistics operation. It's an industry-level traceability layer that sits behind credible recyclers. What it gives the trade is confidence: when a recycler is operating within the Recovinyl framework, the material is being tracked into a documented end use rather than disappearing into a generic waste stream.
VinylPlus's 2030 commitment, which Recovinyl underpins, is built around expanding recycled PVC volumes year on year, integrating recyclate into new building products, and pushing the industry's circular footprint. None of that works without functional collection routes at the trade end. Which is where specialist uPVC recyclers — not generalist skip operators — come in.
The commercial case, not just the green one.
For most readers of this site, the environmental argument is true but already understood. The harder question is whether closed-loop recycling makes commercial sense for the business. It does, on a few axes.
- Direct revenue on offcuts. Fabricators with clean profile waste are sitting on a rebated material. Switching from a general skip to a specialist collection turns a cost line into a credit line.
- Free collection on post-consumer. Trade installers ripping frames off site can have them collected at no cost, instead of paying to send them through a mixed-waste route. The landfill tax saving alone usually justifies the switch.
- Compliance documentation that holds up. Specialist recyclers issue eWTNs and annual recycling reports. That's the paperwork local authorities, ESG reviewers and Tier 1 main contractors are starting to demand. Our guide to waste transfer notes covers the duty-of-care side in more detail.
- Tender position. Bidding for council or housing association work without a credible recycling story is now harder than it used to be. Having a named recycler in your method statement, with auditable recovery rates, moves you up the scoring sheet.
The closed-loop premise is simpler than it sounds: profile becomes pellet becomes profile. The window you fit in 2026 has a non-trivial chance of containing material from the window you ripped out last week — if it went to the right place.
Who's blocking progress, and why.
It's tempting to frame this as a battle between green-minded recyclers and indifferent operators. It isn't. The blocker, in our experience, is almost entirely inertia.
The default workflow on a window install job is: rip out, throw in skip, skip goes. Nobody has to think about it. The skip company is already on speed-dial. The mixed-waste cost is folded into the job price. Switching to a specialist uPVC collection means a different phone call, a different process, and — crucially — a willingness to learn a new way of doing one part of the job.
What changes when an installer or fabricator does switch isn't dramatic. The collections still happen. The paperwork still arrives. The site still gets cleared. The differences show up over the year: a measurable rebate column on offcuts, a defensible recycling story for tender packs, and a documented chain of custody if anyone ever asks.
What closed-loop actually looks like on the ground.
The mechanics of getting a uPVC window from your site into a new product are not exotic. We cover the full pathway in our explainer on what happens to old uPVC windows, but in short:
- The frame is collected — glazed or deglazed, both fine.
- At the processing facility, glass and steel reinforcement are pulled out. Glass goes through our standalone glass recycling route; steel goes to metal recovery.
- The uPVC is shredded and graded.
- It's milled into pellet that meets profile-grade or product-grade specification.
- The pellet is sold back into manufacturing — most commonly into the inner cores of co-extruded window profiles, but also into garden products, fencing, cable management, and construction sundries.
Sealed units — the IGUs themselves — are a separate stream with their own logistics. We cover those in the sealed-unit recycling piece. The principle is identical: separate the materials, route each to the right reprocessor, document the journey.
The bottom line.
Landfill isn't banned for uPVC. It doesn't need to be banned to be the wrong call. The waste hierarchy makes it the option of last resort in law; the economics make it the option of last resort in practice; the commodity value of the material makes it actively wasteful to bury it.
The infrastructure is already in place. BPF Recovinyl provides the verification layer. Specialist recyclers — like us, across our five UK hubs — provide the collection and processing. What's needed at the trade level is the willingness to make the switch from skip-and-tip to a closed-loop route. The numbers, the compliance story and the long-term direction of the industry all point the same way.
If you're a fabricator, installer or contractor wanting to talk through what a switch looks like for your operation, get in touch. We'll quote, schedule, collect, document — and the material you send us re-enters the loop as new profile within months. That's what closed-loop means in practice.