T1 Transit for a Company Relocation UK→PL —
£85k equipment, 5h turnaround
How a Polish manufacturer avoided £20k in duty when relocating equipment from the UK to Poland. Full timeline from the first call to transit closure.
5h
T1 issuance
quote
in 30 min
service cost
£20k
saved
4 days
transit closure
Client and context
Client: a Polish manufacturing company in the metal fabrication and CNC sector, employing 50–100 people. The company had operated a distribution warehouse in the West Midlands area for several years — the lease was coming to an end and the decision was made to fully relocate the equipment back to their plant in Poland.
The warehouse contained: 6 CNC machines, racking and shelving systems, production tooling, compressors and air equipment, plus office equipment. Total customs value of the goods: £85,000. The goods had non-Union goods status — they had not previously been cleared through import in Poland, so returning to the EU required a T1 transit document (Community transit).
The company had booked a driver with a trailer for a specific date. There were 7 days to departure — and that is exactly when they called us for the first time.
info Client anonymised with consent. Figures rounded to safe ranges.
The problem — why they couldn't manage it themselves
Before contacting us, the client had twice attempted to submit the T1 declaration in NCTS themselves. Both times the submission was rejected. Here is why the situation was critical:
2× rejection in NCTS
Incorrect HS codes (generic codes used instead of 8456–8462 for machine tools) and a wrongly specified office of destination — the system rejected the submission without a clear error message.
Driver already on site — idle cost £250/day
The trailer was parked outside the warehouse. Every additional day of delay was costing money in driver and vehicle standby time. The warehouse lease end date was a hard deadline.
No customs guarantee
The company did not hold its own transit guarantee (CGU). T1 requires a financial security covering potential customs liabilities. Without it, NCTS will not accept the declaration.
Risk: entry without T1 = ~£20,000 duty + VAT
If the goods had entered Poland without a valid T1 document, customs would treat them as an irregular import — meaning a full import declaration with duty and 23% VAT. On £85,000 of goods: ~£20,000 exposure.
What we did — 4 stages in 5 hours
Friday afternoon (14:00). Phone call from the client. From first contact to the moment the driver could set off — exactly 5 hours elapsed. Below is a full reconstruction.
- check_circleWe took the call (Friday 14:00) and requested the invoice and packing list — documents arrived within 10 minutes.
- check_circleTransit guarantee pricing: £85,000 × 1.4% = £1,200 customs security (drawn from EC's own guarantee pool).
- check_circleEligibility check for authorised consignor status — confirmed; goods can move without physical inspection at the border.
- check_circleService quote sent to the client — client confirmed the instruction.
- check_circleIndirect representation power of attorney — signed electronically by the company's representative within 20 minutes.
- check_circleEquipment list verified item by item: 6 lines, HS codes: 8456–8462 (machine tools), 8414 (compressors/air equipment), 9403 (office furniture).
- check_circleCustoms value: £85,000 — business goods, no CIF adjustment (domestic UK transport costs immaterial for T1).
- check_circleCMR update: we contacted the driver directly and completed the missing fields (trailer registration number, exact loading address).
- check_circleDeclaration submitted in NCTS Phase 5 — zero rejections (the client's previous failures: wrong HS codes + wrong office of destination).
- check_circleMRN issued: 26GB123456789012 (example format; client's MRN is confidential).
- check_circleOffice of departure: GB Dover (GB000060) — nearest port to the driver's route. Office of destination: PL Warsaw (PL402010) — Warsaw Służewiec Customs Office.
- check_circleAuthorised consignor flag active — goods can move without physical inspection at the office of departure. Time saving: 1–2 days.
- check_circleCustoms guarantee £1,200 locked from EC's pool — the client did not need to secure their own funds before departure.
- check_circleDriver briefing: MRN number handed over, A4 T1 document printed, instructions given for closing transit at the Warsaw office of destination.
- check_circleDriver departed: West Midlands → Dover → Calais → Germany (A2) → Poland (A2). Route ~1,700 km, estimated driving time 36–40 hours.
- check_circleSMS to client: "Goods en route, MRN active, EC monitoring until closure."
- check_circleTotal time from first call to driver release: 5 hours (Friday OOH).
Results — the numbers speak for themselves
T1 issuance time
5 hours
Friday PM, out of hours
Customs guarantee
£1,200
released in full after 12 days
Transit closed
4 days
Dover → Calais → Germany → Poland
Duty + VAT saved
~£20,000
vs. import declaration without T1
Vs. direct export route
Lower total cost
single T1 instead of dual EX+IM declaration — less paperwork, fewer agents
Why T1, not a standard import — a customs agent's perspective
After Brexit, goods located in the UK have non-Union goods status from the EU's perspective. When physically moving such goods from the UK to Poland, two procedural routes are available. The first is T1 transit — goods travel under customs seal, and the obligation to pay duty and VAT is suspended until the transit is closed at the destination customs office. The second is export from the UK + a separate import in Poland (dual declaration EX + IM), where import liabilities become due immediately upon the goods entering the EU.
For a company relocation, the difference is fundamental. T1 operates under the Common Transit Convention — a single agreement covering the UK, EU and EFTA countries. One document and one MRN number cover the entire route Dover → Calais → Germany → Poland, without the need to close and re-open the procedure at each internal border crossing. It is precisely this feature that allowed the entire operation in this case to be covered by a single declaration rather than three.
The UK government clearly defines when the transit procedure is the appropriate tool. As the official HMRC guidance states:
"Common and Union Transit allows you to move goods to, from, through or between common transit countries, with customs duties suspended until the goods reach their destination." — GOV.UK — Check if you can use transit to move goods
In other words: until the transit is correctly closed (discharge) at the destination customs office, duty and VAT remain suspended — but secured by the customs guarantee. That is why proper closure of the procedure is so critical: an unclosed T1 converts suspended liabilities into an actual customs debt. We compare both routes in full cost detail in our analysis T1 transit cost PL↔UK vs direct export and in the article T1 vs direct import — when each makes sense.
In this particular scenario, the outcome was determined by three elements that clients attempting to act alone most often overlook: correct tariff classification (wrong HS codes were the cause of both prior rejections), a ready transit guarantee on the agent's side (the client did not have to set up their own CGU with HMRC, which alone can take weeks), and authorised consignor status, which eliminates the requirement to attend the office of departure with the goods. The full scope of this procedure is described on our T1/T2 Transit Declarations service page and on the dedicated T1 transit UK→PL page.
Takeaways — what worked
- task_alt Authorised consignor flag saves 1–2 days — goods moved without a physical appearance at Dover. A critical advantage for urgent OOH instructions.
- task_alt Customs guarantee £1,200 on £85,000 — cost ratio 1.4%. Against £20k of tax risk: a marginal cost. The client recovered it in full after 12 days.
- task_alt Indirect representation — EC assumes the procedural risk. The client is not liable for declaration errors; the customs agent, as declarant, bears the responsibility.
- task_alt Pre-verification of HS codes = zero rejections. The client attempted it twice alone and received two rejections both times. Precise classification (8456–8462, 8414, 9403) is the foundation of NCTS acceptance.
- task_alt Multi-leg transit UK→DE→PL handled correctly under a single MRN — no requirement to close and re-open at the DE/PL border. Transit under the Common Transit Convention covers the entire route.
Is your situation similar?
If you tick at least 2 of the boxes below — get in touch. We'll quote a T1 in 30 minutes.
- check You are relocating equipment or machinery from the UK to Poland or another EU country
- check The value of goods falls between £20,000 and £500,000
- check Deadline within 7 days — or the driver is already on site
- check You have no experience with the NCTS system or the T1 procedure
Frequently asked questions
Can I use T1 for personal goods (not a business)?
What if I don't close the transit within 7 days?
How much does authorised consignor status speed things up?
Is the customs guarantee returned in full?
What does gov.uk require to legally issue a T1?
Need a T1 transit for a company relocation?
We issue T1 in 4h (standard) or 2h (express). We operate 7 days a week and handle OOH instructions. Our own transit guarantee — no waiting on security.
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