Clear Air Zone Charges – Do I Have to Pay?
Did you get a Clean Air Zone Penalty Charge Notice (PCN) and don’t know what to do next? This guide is here to help. Every month, more than 130,000 people visit our website for advice on fines and parking tickets.
In this piece, we’ll help you get to grips with:
- What a Clean Air Zone PCN is and the reasons you might have one.
- If you need to settle it straight away.
- How to fight against the charge if you believe it’s not right.
- Cases where you might not need to pay.
- What could happen if you decide not to pay.
We understand that getting a PCN can be both worrying and a bit baffling. But you might find comfort in knowing that you’re not alone. In fact, In 2021, Churchill Motor Insurance reported an 8% increase in penalty charge notices (PCNs) in Britain, with over 5.2 million issued. 1
Don’t worry; we’re here to help you figure things out.
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Clean Air Zones in the UK
How is CAZ enforced?
Local authorities enforce CAZ using signs that tell motorists they are about to enter a Clean Air Zone.
Councils also use Automatic Number Plate Recognition (ANPR) cameras to identify cars that enter and leave a zone before checking them against a database.
Check the right challenge process
Check whether you need to make an informal challenge, formal representations or an independent tribunal appeal. Follow the route and deadline printed on your notice. London cases generally go to London Tribunals; relevant cases in England outside London and Wales go to the Traffic Penalty Tribunal. Other UK jurisdictions have different procedures.
General information. The procedure depends on the notice and jurisdiction. Check the issuer’s instructions.
What Vehicles Are Exempt From the Rules?
Do You Have To Pay a CAZ Penalty Charge?
Check out why this motorist got 4 Clean Air Zone PCNs in one day because they didn’t know the rules on how to pay.

Source: Moneysavingexpert
Appeal Process Steps
Certain types of PCNs can be successfully appealed for various reasons. For instance, the timing of when the PCN was issued in relation to the offense can sometimes be grounds for appeal.
Here’s a quick table that will help you understand each step of the appeal process. If you want to learn more about your PCN, be sure to read our specialized guide.
| When | Action |
|---|---|
| On receiving a council PCN | Read the notice, keep it, gather evidence and note all payment and challenge deadlines. |
| Windscreen or handed-to-driver PCN | An informal challenge may be available before the Notice to Owner. Early challenge can preserve a discount under the authority’s policy; 14 days is not a universal final appeal deadline. |
| Postal PCN or Notice to Owner | Normally make formal representations within 28 days as stated on the notice. Do not assume there is an extra informal stage. |
| Representations rejected | The Notice of Rejection explains how to appeal to the appropriate independent tribunal, normally within 28 days. |
| Appeal unsuccessful | Pay by the deadline given in the decision or obtain advice on any available review. Further statutory charges can follow if you do neither. |
| Other ticket type | Private parking charges and FPNs use different procedures; follow the actual notice. |
Further guidance: Traffic Penalty Tribunal; Citizens Advice.
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