What is the difference between POPLA and IAS?

POPLA handles appeals against BPA (British Parking Association) member operators. IAS handles appeals against IPC (International Parking Community) member operators. Both are free and independent. Which one you use depends on which trade body your parking operator belongs to.

How do I know if my operator is BPA or IPC?

Check your parking charge notice. It should state which trade body the operator belongs to and which appeal service to use. Common BPA operators: ParkingEye, Smart Parking, UKPC, NCP, APCOA. Common IPC operators: Euro Car Parks, Excel Parking, Civil Enforcement Ltd.

Is POPLA or IAS better for appeals?

You don't get to choose — it depends on your operator's trade body membership. Both services are independent and free. Success rates are broadly similar, around 40-50% for well-argued cases.

Are POPLA and IAS decisions binding?

POPLA and IAS decisions are binding on the parking operator — if you win, they must cancel the charge. However, the decision is not binding on you — if you lose, you can still refuse to pay, though the operator may then pursue you through the County Court.

POPLA vs IAS: Which Parking Appeal Service Do I Use?

Last updated: March 2026

Updated March 2026 · 5 min read

You've appealed to the parking company and they rejected it. Now you need to escalate to an independent appeal service. But there are two — POPLA and IAS. Which one do you use? And what's the difference?

Short answer: it depends on which trade body your parking operator belongs to. You don't get to choose.

The Two-Body System

Every legitimate private parking operator in the UK must belong to one of two accredited trade associations (ATAs):

	BPA	IPC
Full name	British Parking Association	International Parking Community
Appeal service	POPLA	IAS
Website	popla.co.uk	theias.org
Cost	Free	Free
Binding on operator?	Yes	Yes
Binding on motorist?	No	No

Which Operators Use Which?

BPA Operators → POPLA

ParkingEye (Aldi, Morrisons, many retail parks)
Smart Parking (Asda, Lidl)
UKPC (UK Parking Control)
NCP (National Car Parks)
APCOA (hospitals, train stations)
Horizon Parking
CP Plus

IPC Operators → IAS

Euro Car Parks (Tesco, various retail)
Excel Parking
Civil Enforcement Ltd
Park Maven
Armtrac

Always check your notice. Operators can change trade bodies, and some have moved between BPA and IPC. The charge notice itself will tell you which appeal service to use and provide the relevant appeal code.

How to Find Your Appeal Code

When the operator rejects your first-stage appeal, they're required to provide you with:

A unique appeal code
The name of the independent appeal service (POPLA or IAS)
Instructions on how to submit your appeal
The deadline (28 days from their rejection)

If the operator rejects your appeal but doesn't provide an appeal code, that's a breach of the code of practice. Write to them and demand the code. If they still don't provide one, contact the trade body (BPA or IPC) directly to complain.

The Appeal Process

Both POPLA and IAS follow a similar process:

You submit your appeal online with your evidence and grounds
The operator responds with their side of the case
You may get a chance to reply to the operator's response (called a "final comments" stage at POPLA)
An independent assessor decides based on both sides
Decision issued: Usually within 4-8 weeks

Tips for Independent Appeals

Be factual, not emotional. The assessor is making a legal/procedural decision. "I feel this is unfair" doesn't win cases. "The NtK was served on day 16, exceeding the POFA 2012 Schedule 4 requirement" does.
Reference the code of practice. The assessor checks whether the operator followed the BPA or IPC Code. If you can show a specific code breach, you're in a strong position.
Include all evidence. Photos of signage, receipts, bank statements, the NtK itself. The assessor can only judge what's in front of them.
Don't use template letters verbatim. POPLA specifically warns against this. Use templates as a framework, then personalise.
Address the operator's rejection reasons. If they rejected your first appeal citing specific reasons, counter those reasons at the independent stage.
Keep it concise. One clear, well-evidenced page beats five pages of rambling.

What Happens If You Win?

The operator must cancel the charge. The decision is binding on them. You don't need to do anything else — no payment, no further correspondence. The charge is done.

What Happens If You Lose?

The decision is not binding on you. You can still refuse to pay. However:

The operator may send the case to a debt collection agency
They may eventually issue a County Court Claim
If they sue and you lose in court, you'd pay the charge plus court costs
An unsuccessful POPLA/IAS appeal doesn't prevent you from defending a court claim

If you lose at POPLA/IAS and don't have a strong defence for court, it's usually pragmatic to pay at that point.

What About Council Parking Tickets?

Council PCNs (Penalty Charge Notices) don't use POPLA or IAS. They have their own appeal route:

England (outside London): Traffic Penalty Tribunal (TPT)
London: London Tribunals (Environment and Traffic Adjudicators)
Wales: Traffic Penalty Tribunal
Scotland: Scottish Parking Appeals Service

For a full guide to council PCN appeals, see our council PCN appeal guide.

Not Sure Where to Appeal? We'll Sort It Out

Send us your parking charge on WhatsApp. We'll tell you which service to use and write your appeal for £9.

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Quick Reference

Got a ParkingEye charge? → POPLA (ParkingEye guide)
Got a Smart Parking charge? → POPLA (Smart Parking guide)
Got a Euro Car Parks charge? → IAS (Euro Car Parks guide)
Got an Excel Parking charge? → IAS (Excel Parking guide)
Got a UKPC charge? → POPLA (UKPC guide)
Got an NCP charge? → POPLA (NCP guide)
Got a council PCN? → Traffic Penalty Tribunal (Council guide)

Sources: POPLA, IAS, BPA, IPC, Parking (Code of Practice) Act 2019, Citizens Advice. Last updated March 2026.