A pallet of oak flooring, a container of plywood and the crate a machine arrived in are three different regulatory problems, even though all three are wood. Importing timber to the UK means clearing three gates: legality due diligence, plant health, and — for the packaging itself — a treatment mark stamped into the wood. Miss one and the consignment can be held or destroyed however correct the customs declaration is.
Import timber to the UK: operator or trader?
The UK Timber Regulation splits the supply chain in two and your duties follow. Gov.uk defines an operator as someone who “first places timber or timber products on the GB market” — the importer. A trader “buys and sells timber or timber products already placed on the GB market.”
The heavy obligation sits with the operator: import oak boards from Poland into Bristol and the due diligence system is yours to build. A trader’s duty is lighter — keep records of who you buy from and which traders you sell to.
The three-step due diligence system
Operators must not place illegally harvested timber on the GB market. The regulation prescribes a three-step system — not a form you file, but a process you show an inspector.
- Gather information on the timber: “its species, quantity, supplier, country of harvest and compliance with applicable legislation.”
- Assess the risk of the timber being illegal, “applying set criteria in the regulations.”
- Mitigate any identified risk to negligible, “by obtaining additional information or taking further steps to verify legality.”
“Negligible” is the operative word. A supplier declaration alone rarely gets you there for a high-risk source; harvest permits, third-party certification or a supply chain audit usually do. The Office for Product Safety and Standards (OPSS) checks whether the system is fit for purpose — not merely whether one exists on paper.
The FLEGT shortcut is narrow
Timber from countries with a voluntary partnership agreement (VPA) in force with the UK must carry a FLEGT licence, and that list has one entry: Indonesia. Licensed Indonesian timber counts as legally harvested. For every other origin, EU member states included, the full three-step system applies.
Plant health: register, pre-notify, produce the certificate
Legality is a separate question from biosecurity. Regulated wood material entering GB needs a phytosanitary certificate confirming it “has been officially inspected in the country of origin”, “is free from quarantine pests and disease” and “is substantially free from other harmful organisms.”
- Register first. Apply to the Forestry Commission to become a professional operator, and notify them before the material arrives.
- Pre-notify in time. At least 4 working hours before goods land for air and roll-on-roll-off freight; at least 1 working day before arrival for other freight.
- Produce the certificate fast. It must be presented within 3 days of the wood material entering GB.
Those deadlines belong in the booking process, not the arrival day. Shipping the other way — Polish sawmill to a British buyer — the certificate is raised on the export side, which is where a specialist handling exports to the UK market earns its fee.
The crate, not the cargo
This rule catches importers of machinery, ceramics and furniture, not just timber traders. Solid wood packaging material (WPM) must meet ISPM 15 standards if imported into Great Britain from any country, EU member states and Switzerland included.
In scope: “packing cases, boxes, crates, drums and similar containers, pallets, box pallets, pallet collars and other load boards, dunnage.” Out of scope: plywood, wood 6mm or thinner, wine and spirit barrels, and gift boxes of processed wood or cardboard.
Compliant WPM must be debarked, then heat-treated to “56°C for at least 30 continuous minutes throughout the entire profile of the wood, including its core” (or dielectric heating at “60°C for one continuous minute”), or fumigated with methyl bromide or sulphuryl fluoride. The mark itself is the proof — it carries the 2-letter ISO country code assigned by the National Plant Protection Organisation plus the producer and treatment method, and no separate certificate is required. Non-compliant WPM “could be rejected or destroyed”, which mid-transit means re-crating at your cost. Our breakdown of what the ISPM 15 stamp on a wooden pallet must show covers how to read the mark before a shipment leaves.
What is changing
The UK government aims to strengthen the UK Timber Regulation through legislation requiring GB businesses with annual turnover over £1 million using forest risk commodities and wood products to carry out due diligence confirming compliance with relevant local laws; that legislation is expected in 2027. Northern Ireland runs on a different clock — the EU Deforestation Regulation (EUDR) applies there in phases from 30 December 2026. One compliance file will not cover both.
Pre-shipment checklist
- Confirm whether you are the operator or a trader — the duties differ.
- Build the due diligence file: species, quantity, supplier, country of harvest, proof of legal compliance.
- Check whether a FLEGT licence applies (Indonesia only); otherwise complete risk assessment and mitigation.
- Register with the Forestry Commission as a professional operator before the first import.
- Book the pre-notification: 4 working hours (air / RoRo) or 1 working day (other freight).
- Inspect the ISPM 15 mark on every pallet, crate and piece of dunnage, EU packaging included.
- Assign the commodity code before booking — classification drives whether plant health controls apply at all.
Mini-FAQ
Does timber from the EU need due diligence?
Yes. Only FLEGT-licensed timber from a VPA country — Indonesia alone — skips the risk assessment steps. EU-origin timber goes through the full three-step system.
Do I need a phytosanitary certificate for finished furniture?
It depends on the commodity code, not on how finished the product looks. Regulated wood material needs the certificate; processed products may sit outside plant health controls while still falling inside the timber legality regime. See our guide to importing furniture to the UK and the standards that apply.
My pallets came from Germany — does ISPM 15 really apply?
Yes. The requirement covers solid WPM imported into Great Britain from any country, explicitly including EU member states and Switzerland — there is no intra-European exemption.
Who checks all this?
OPSS enforces the timber regulations in GB and NI: it checks the records operators and traders keep, whether due diligence systems are fit for purpose, and verifies FLEGT licences. Plant health sits with the Forestry Commission and the plant health authorities.
Easy Clearance is a customs agency registered in CDS with a UK EORI number, handling UK–EU declarations both ways. Our note on exporting timber and wooden products to the UK sets out the paperwork from the EU side.
