Bob has driven through the Ultra Low Emission Zone but not paid to requisite fee. What are the legal consequences of this for Bob?

1 Answer 1


We may issue a Penalty Charge Notice (PCN) if you drive within the Ultra Low Emission Zone (ULEZ) in a vehicle that does not meet the emissions standards and you do not pay the correct daily charge.


Car £180, or £90 if paid within 14 days.

In comments the questioner says that the question is about ignoring the ULEZ and ignoring any penalties subsequent to that.

From the page above:

To understand how a PCN may progress, see our enforcement process page.

See also the London Tribunals enforcemennt page.

If you receive a PCN you have 28 days to pay or write to TfL to challenge it. If you pay within 28 days the amount you have to pay is half the original amount.

If you do neither then the charge is increased by 50% and "a charge certificate will be sent to the registered keeper of the vehicle". Car was £180, now £270 (180+180/2). You have 14 days to pay.

If you do not pay within 14 days then TfL "may apply to register it as an unpaid debt at the Traffic Enforcement Centre which incurs a debt registration fee for each PCN."

Then an Order for Recovery is sent to the registered keeper of the vehicle. This is not a County Court Judgment and will not affect your credit rating. The penalty is increased by the debt registration fee (£8).

You have 21 days to pay that. After that, TfL asks for a 'warrant of execution', which is passed to a 'civil enforcement agent' (aka bailiff).

The enforcement agent will write to you and charge fees for every letter, visit and action taken.

Ultimately the enforcement agents will attempt to remove your property to sell it to recover the total outstanding debt.

  • 4
    I can't say what happens in this case, but if you don't pay for your train ticket and get caught, you first get a letter to please pay for a ticket at a higher price, then a letter to please pay the ticket and a fine, then a letter to please pay the ticket and a higher fine or go to court, then a letter to go to court where you will typically get a £600 fine, for say a £10 train ticket. The next step would be bailiffs and possibly they go to your employer and ask them to pay your debt out of your salary. You will lose if you have any property and/or a job.
    – gnasher729
    Sep 2, 2023 at 15:56
  • 4
    "The thing is, the entire point is it is about refusal to pay” - do you think the wording of your question makes your point clear?
    – Lag
    Sep 2, 2023 at 16:13
  • 4
    @Seekinganswers Objection to a law does not remedy breaking it. Not paying fines will follow the normal process of unpaid fines,. First they accumulate with late fees, then they will result in the court sending a bailiff to confiscate valuables of appropriate value to pay for fines.
    – Trish
    Sep 2, 2023 at 18:03
  • 3
    "Civil disobedience" is not an excuse. I actually have been told that if you claim "civil disobedience" then you ought to accept the consequences and not fight them, because the point of civil disobedience is to demonstrate that there are laws that shouldn't be in place.
    – gnasher729
    Sep 4, 2023 at 9:18
  • 3
    @Seekinganswers Doesn't "Ultimately the enforcement agents will attempt to remove your property to sell it to recover the total outstanding debt." answer your question?
    – ohwilleke
    Sep 27, 2023 at 16:47

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