How to Appeal a Horizon Parking Parking Charge (2026)

Horizon Parking manages retail, supermarket and hospital car parks across the UK, largely through ANPR camera enforcement. If you have received a parking charge notice from Horizon Parking, you have the right to challenge it — and a meaningful share of private parking charges are successfully cancelled every year.

First: A Horizon Parking Charge Is Not a Fine

It is easy to mistake a Horizon Parking notice for an official penalty. It isn't. A council Penalty Charge Notice (PCN) is issued under the Traffic Management Act 2004 and carries statutory force. A Horizon Parking charge is a private parking charge — a civil invoice based on the alleged breach of a contract you entered into by parking, governed by contract law. Horizon Parking cannot fine you and cannot send bailiffs unless it first wins a County Court Judgment against you.

The Beavis Case — and Why Signage Still Matters

In ParkingEye Ltd v Beavis [2015] UKSC 67 the Supreme Court held that a private parking charge can be enforceable even where it exceeds the operator's actual losses, because it serves a legitimate commercial purpose. So you generally cannot win simply by arguing the charge is "too high." But Beavis also confirmed that the charge must be clearly communicated through prominent, legible signage. Inadequate or contradictory signs remain one of the strongest grounds to challenge any private charge — including Horizon Parking's.

Strong Grounds to Challenge a Horizon Parking Charge

Hospital and retail sites frequently raise grace-period and signage issues, and patients or visitors may also have strong mitigating grounds.

• Inadequate or unclear signage — if the terms were not prominent and legible at the entrance and throughout the site, no contract was formed.
• Grace periods breached — the 2026 single Private Parking Code of Practice gives a 10-minute grace period after paid time expires and a 5-minute consideration period on arrival.
• The charge exceeds the cap — most private charges are now capped at £50 for standard contraventions (higher in London and for serious cases) under the 2026 Code.
• Defective Notice to Keeper — under the Protection of Freedoms Act 2012 (Schedule 4), the operator can only pursue you as the registered keeper if it served a compliant Notice to Keeper within the statutory timeframe.
• You paid, or a machine/app failed — proof of payment, or a faulty payment system, undermines the alleged breach.
• Mitigating circumstances — a medical emergency, breakdown, or comparable event.

How to Appeal Horizon Parking — and How to Escalate

Appeal to Horizon Parking first, in writing, within the deadline on your notice (usually 28 days). Set out your grounds plainly and attach evidence — photos of the signs, your payment confirmation, the notice itself. Do not pay a charge you intend to appeal.

Horizon Parking is shown as a member of the British Parking Association (BPA), which means a rejected appeal can be escalated for free to POPLA — the independent adjudicator — normally within 28 days of the rejection. Important: trade-association membership can change, so check the accredited trade association (BPA or IPC) printed on your own notice and use the matching service (POPLA for BPA, the IAS for IPC). These adjudicators are independent of the operator and overturn a meaningful proportion of well-prepared appeals.

Horizon Parking Appeals — FAQ