Car Park Signage Law Change: What It Means for Post and Panel Signage

A major overhaul of UK private parking regulation is underway. The government's statutory Private Parking Code of Practice — enabled by the Parking (Code of Practice) Act 2019 — is set to introduce legally binding minimum standards for signage in private car parks across England, Wales, and Scotland. For sign makers and installers who serve the commercial and facilities management sector, this represents one of the most concrete new-business opportunities in years: operators across thousands of UK car parks will need compliant post and panel signage in place, and they will need someone to supply and install it.

Important: Legislation timelines in this area have shifted more than once. The information below reflects the position as understood in mid-2025. Operators should always verify the current status of the Code with the British Parking Association (BPA), the International Parking Community (IPC), or gov.uk before making compliance decisions.

Background: The Parking (Code of Practice) Act 2019

Private parking in the UK has long operated in a grey area. Operators issued Parking Charge Notices (PCNs) on private land, enforcement agencies varied wildly in standards, and motorists frequently complained of inadequate signage, hidden terms, and unfair charges. A 2019 government-commissioned review — the Parking Review led by Sir Greg Knight MP — concluded that a statutory code of practice was the only way to bring consistent, enforceable standards to the industry.

The Parking (Code of Practice) Act 2019 received Royal Assent in December 2019, giving government ministers the power to create a statutory Private Parking Code of Practice with the force of law. Crucially, the Act also allows for a single appeals service — the Single Appeals Service — to replace the existing competing appeals bodies (POPLA for BPA members, and the IAS for IPC members).

Both major accreditation bodies — the British Parking Association (BPA) through its Approved Operator Scheme (AOS) and the International Parking Community (IPC) through its Approved Operator Code of Practice — are required to align their own member codes with the statutory Code once it comes into force.

What the New Code Introduces for Signage

The draft and subsequent revised versions of the Private Parking Code of Practice contain some of the most prescriptive signage requirements ever placed on private parking operators in the UK. The key signage obligations are:

Entrance Signs

Every car park entrance must display a sign that is clearly visible to a driver entering the car park. The sign must:

  • Be positioned so that a driver can read and understand the terms before parking
  • State clearly that the car park is privately managed and that charges or conditions apply
  • Be of a sufficient size and height to be legible from a vehicle at normal approach speed
  • Use plain English — no small print designed to obscure material terms
  • Display the operator's name and contact details

Interior Signs

Throughout the car park, additional signs must reinforce the terms and conditions. The Code requires these to be:

  • Prominent and legible from a parked vehicle position
  • Consistent in content with the entrance signage
  • Sufficient in number that no parking bay is without a clear line of sight to at least one sign
  • Well maintained — faded, damaged, or obscured signs do not satisfy the requirement

Sign Content Requirements

The Code sets out what information must appear on signs. This typically includes:

  • The parking charge amount (if applicable)
  • Permitted parking period and any free period
  • Payment methods accepted
  • How to appeal (including the appeals service details)
  • DVLA keeper liability notice (referencing the Protection of Freedoms Act 2012)
  • Operator contact details and BPA/IPC membership reference
BPA Approved Operator Scheme (AOS): The BPA's AOS Code of Practice has always required clear, legible signage as a membership condition. With the statutory Code coming into force, BPA members who are not already fully compliant face the prospect of both losing AOS accreditation and breaching the statutory Code — a dual compliance risk. The BPA published updated signage guidance in 2024 in anticipation of the Code.

A Significant Change: Minimum Physical Sign Standards

One of the most commercially significant aspects of the Code is the introduction of minimum physical standards for signs — not just their content. While the government has stopped short of mandating a single standardised sign design (as was originally proposed in the 2022 draft), the expectation is that signs must be of a size, height, and material quality that makes them genuinely legible.

The practical implication: many existing car park signs that may have previously been considered adequate will no longer meet the standard. Signs that are:

  • Too small to be read comfortably from a vehicle
  • Mounted too low or at an awkward angle
  • Faded, yellowed, or damaged
  • Installed on unstable or temporary-looking posts
  • Obstructed by foliage, other signs, or structures

...will need to be replaced or upgraded before an operator can confidently rely on them to enforce a PCN.

This is particularly relevant in enforcement disputes. UK courts and the Independent Appeals Service have increasingly dismissed PCN claims where signage was found to be inadequate. Under the statutory Code, a failure of signage is expected to be a complete defence to a Parking Charge Notice — meaning operators have a strong financial incentive to ensure their signs are compliant, over and above regulatory obligation.

The Judicial Review and Revised Timeline

The road to the Code coming into force has not been straightforward. After the initial draft Code was published in 2022, a judicial review was brought by the British Parking Association, challenging elements of the proposed Single Appeals Service and certain aspects of the draft Code's enforcement regime. The High Court found partially in favour of the BPA's challenge in 2023, requiring the government to revise elements of the Code.

The government published a revised draft in late 2023 / early 2024, and has been working towards laying the final Code before Parliament. As of mid-2025, the Code is expected to come into force with a transition period allowing operators time to bring their car parks into full compliance — most likely 12 months for signage upgrades from the date the Code takes effect.

  • December 2019 Parking (Code of Practice) Act 2019 — Royal Assent Act passes, giving ministers power to create a statutory code binding on all private parking operators.
  • February 2022 Draft Code Published for Consultation Government publishes draft Private Parking Code, including standardised sign design proposals and maximum PCN cap (£50 reduced from £100). Industry consultation follows.
  • 2022–2023 BPA Judicial Review BPA challenges aspects of the draft Code in the High Court. Court finds partially in BPA's favour; government required to revise.
  • 2023–2024 Revised Code in Development Government revises Code following court ruling. Updated drafts circulated to industry stakeholders.
  • 2025 Code Expected to Come Into Force Final Code laid before Parliament and enacted. Transition period begins — operators have a defined window to achieve compliance.
  • 2025–2026 Compliance Window — Signage Replacement Period Operators required to ensure all signage meets the new standards. Mass replacement of post and panel signage expected across UK private car parks.
  • 2026–2027 Full Enforcement of New Standards Non-compliant operators risk loss of BPA/IPC accreditation, inability to access DVLA keeper data, and PCN challenges on grounds of defective signage.

Who Is Affected?

The Code applies to private land parking operators — businesses and individuals who manage and enforce parking on private land using Parking Charge Notices. Key affected sectors include:

  • Commercial car park operators (NCP, Q-Park, independent operators)
  • Retail park and shopping centre landlords and managing agents
  • Hospitals and healthcare trusts operating private parking contracts
  • Hotel, leisure, and hospitality venues with managed car parks
  • Residential estate and housing association car parks
  • Industrial estate and business park owners
  • Universities and educational institutions with private car parks
  • Motorway service operators

Notably, local authority-operated car parks are regulated under separate legislation (the Road Traffic Regulation Act 1984 and related regulations) and are not covered by the Private Parking Code of Practice. However, many local authorities voluntarily follow BPA guidance on signage standards, and some operate under hybrid arrangements with private enforcement contractors who are subject to the Code.

What This Means for Physical Signage: Post and Panel Requirements

For sign makers and installers, the compliance wave is a genuine opening. Car park operators need to move quickly, they need a supplier who understands the standards, and most of them have little interest in sourcing their own materials. Sign makers who can walk into a conversation armed with the right specification knowledge — and deliver a complete, installation-ready job — are in a strong position to win that work. Here is what compliant car park signage physically requires:

Sign Posts

Car park entrance and interior signs are overwhelmingly mounted on round post (CHS — Circular Hollow Section) single-post or two-post frame systems. The most common specifications for car park signage posts are:

Post Diameter Typical Use Material Recommended Wall Thickness
60.3mm OD Smaller interior signs, secondary notices Aluminium CHS or Galvanised Steel CHS 3mm (aluminium) / 3.2mm (steel)
76.1mm OD Standard entrance and interior signage — most common car park spec Aluminium CHS or Galvanised Steel CHS 3mm (aluminium) / 3.2mm (steel)
88.9mm OD Larger format entrance signs, high-exposure sites Aluminium CHS or Galvanised Steel CHS 3mm (aluminium) / 3.2mm (steel)
101.6mm OD Large entrance signs, vehicle height bars, overhead structures Galvanised Steel CHS 3.2mm or 4mm

Aluminium CHS is the preferred material for new car park signage installations. It does not rust, requires no painting or galvanising, and has a working life of 25+ years with no maintenance. This makes it the lower total-cost option for operators who are upgrading signage to meet the new Code.

Galvanised steel CHS remains in widespread use, particularly where posts are subject to vehicle impact risk or where the installation is socketed into concrete at depth. Thicker walls (3.2mm–4mm) are advisable in high-impact-risk environments such as entrance bays and barrier lines.

Sign Panels

The sign panel carries the notice text and must remain legible and undamaged for the life of the installation. There are two substrate options that work well for car park notice panels:

  • 3mm Aluminium Composite Material (ACM): The industry standard for printed car park notices. Rigid, lightweight, weatherproof, and flatness-stable — exactly what you need for exterior post-mounted signage that has to look credible and stay flat through a British winter. ACM prints cleanly, routes cleanly, and looks professional at any size. 3mm is the standard gauge; there is no real-world reason to specify 4mm for this application.
  • 2.5mm solid aluminium sheet: Used where a heavier, more premium feel is required — typically larger entrance signs, signs in higher-impact environments, or where the operator has a specific preference for all-aluminium construction. Slightly heavier to handle on install but extremely durable.
  • Foamex / PVC foam board: Common on older or lower-enforcement sites but not suitable for new Code-compliant installations. UV degradation and vulnerability to impact mean it will not hold up, and a faded or buckled sign is itself a compliance risk under the new standards.

Mounting Height and Visibility

While the Code does not prescribe a single mandatory mounting height, BPA AOS guidance and established industry practice calls for:

  • Entrance signs: bottom of panel at 900mm–1200mm above finished ground level for vehicle-facing signs
  • Pedestrian-facing signs: bottom of panel at 600mm minimum, eye-level top preferred at approximately 1800mm–2000mm
  • Interior signs in bays: mounted to achieve clear line of sight from any parking position within the bay row

How Sign Trade Supplies Supports Sign Makers on Car Park Work

STS is a trade supplier — we supply sign makers and installers, not end-users. If you are quoting for car park compliance work, here is what you can source from us to put together a complete job, on next-day delivery nationwide.

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Fully Printed ACM Panels

  • Printed to your artwork on 3mm ACM
  • Trimmed to size — ready to mount
  • Weather and UV resistant inks
  • Ideal for multi-site batches
  • Custom sizes as required
Printed Panels →
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Blank ACM & Aluminium Sheet

  • 3mm ACM — industry standard for car park notices
  • Standard sheets and cut-to-size
  • 2.5mm solid aluminium sheet for heavier-duty installs
  • White and mill finish faces available
  • For your own print, vinyl, or CNC work
ACM & Sheet →
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Sign Posts & Fixings

  • Aluminium CHS — 60.3mm, 76.1mm, 88.9mm OD
  • Galvanised steel CHS — 60.3mm to 101.6mm OD
  • 3m and 6m lengths
  • Post caps, flanges, and base plates
  • Panel bracket and clamp systems
  • Ground sockets and drive-in spikes
Posts & Fixings →

Trade accounts available for volume pricing. Apply for a trade account →

Why This Is a Good Opening for Sign Makers

Car park operators are not in the sign-buying business. When a compliance deadline is bearing down on them, they want someone to call who will handle everything — design, print, posts, fixings, installation — and hand them a car park that passes scrutiny. Sign makers who can present themselves as car park compliance specialists, rather than generic sign suppliers, are far better placed to win that work.

The scale is significant. The UK has an estimated 15,000–20,000 private car parks subject to the Code. Even a fraction of those requiring a full sign refresh represents tens of thousands of post and panel installations. You do not need to win many of them to fill an order book.

Portfolio opportunities exist. Large national operators — NCP, APCOA, Euro Car Parks, ParkingEye, Excel Parking — and the managing agents of major retail parks typically procure signage at a portfolio level. A single framework agreement can cover hundreds of sites. These contracts reward suppliers who understand the compliance requirements and can demonstrate consistent quality across sites.

The urgency is real. Unlike a cosmetic refresh, this is compliance-driven. An operator who misses the transition deadline risks losing BPA or IPC accreditation — and without that, they cannot access DVLA keeper data, which means their PCN enforcement collapses entirely. That creates genuine urgency on the customer side, which is a far easier sales conversation than persuading someone to upgrade signs they consider adequate.

Maintenance is recurring. The Code requires signs to be kept in good repair. Faded, damaged, or obscured signs that previously got ignored now represent a live compliance risk. Sign makers who secure framework agreements for ongoing maintenance across a site portfolio can turn a one-off compliance job into a long-term revenue stream.

Frequently Asked Questions

Does the law apply to all car parks in the UK?

The Private Parking Code of Practice applies to private land car parks in England, Wales, and Scotland that are managed by operators using PCNs and keeper liability under the Protection of Freedoms Act 2012. Local authority and NHS car parks have separate regulatory frameworks. Northern Ireland has a different parking enforcement regime and is not covered by this Code.

Will operators have to replace all their signs?

Not necessarily all signs, but any sign that does not meet the new standards for content, legibility, positioning, or physical condition will need to be replaced or upgraded. For older car parks where signage was installed under less rigorous requirements, this may mean a near-complete refresh. New installations will need to be built to the Code from the outset.

What happens if an operator's signage does not comply?

Non-compliance carries multiple risks: loss of BPA AOS or IPC accreditation (which is required to access DVLA keeper data for enforcement), successful PCN appeals by motorists on the grounds of inadequate signage, and potential regulatory action. In practical terms, an operator whose signs do not meet the Code may find their PCNs unenforceable.

Is there a standardised sign design required?

The original 2022 draft proposed a government-mandated standard sign template. Following industry consultation and the judicial review, this proposal was substantially modified. The current expectation is that operators must meet minimum content and legibility requirements, but are not required to use a single prescribed template. BPA and IPC may publish template designs for member guidance.

Where can I find the current BPA signage requirements?

The BPA publishes its AOS Code of Practice on the British Parking Association website at britishparking.co.uk. The IPC publishes its Approved Operator Code of Practice at theipc.org.uk. For the statutory Code itself, the most current version will be available at gov.uk.

What to Do Now — A Checklist for Sign Makers

If you want to position your business to win car park compliance work as the Code comes into force, here is where to start:

  1. Get familiar with the Code and the BPA/IPC requirements. You do not need to be a parking lawyer, but being able to talk confidently about what signage must say, where it must be positioned, and what physical standard it must meet puts you ahead of most sign makers who have not done their homework. The BPA AOS Code of Practice and the IPC Approved Operator Code are both publicly available.
  2. Build a car park signage specification. Put together a standard specification document — post diameter, panel substrate, mounting height, content checklist — that you can present to an operator as part of a quote. It signals professionalism and saves time on every job.
  3. Offer a turnkey service. Supply, print, install, and certify. Operators want one call, not a procurement exercise. The more you can bundle, the more attractive you are as a supplier — and the harder it is to price-compare you against a competitor who only does part of the job.
  4. Specify the right materials from the outset. 3mm ACM for printed panels, aluminium CHS posts for new installations, galvanised steel where impact risk is higher. Using substandard or wrong-gauge materials on a compliance job is a liability risk — operators are entitled to rely on your expertise.
  5. Line up your supply chain before demand peaks. When the compliance window opens in earnest, lead times will tighten. Having your post and panel supply confirmed in advance means you can commit to customer timelines with confidence.
Quoting on car park compliance work?

STS supplies sign makers and installers with printed ACM panels, aluminium and steel CHS posts, and all fixings — next-day delivery across the UK.

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Disclaimer: This article is intended as a general guide for trade customers and does not constitute legal advice. Signage compliance requirements under the Private Parking Code of Practice may change; operators should always verify current requirements directly with the BPA, IPC, or their legal advisers. Sign Trade Supplies accepts no liability for reliance on this article as the basis for compliance decisions.

Sources and further reading: Parking (Code of Practice) Act 2019British Parking AssociationInternational Parking Community (IPC)Private Parking Code of Practice (gov.uk)

Article ID: KB-CARPARK-LAW-001  |  Sign Trade Supplies Knowledge Base  |  knowledge.signtradesupplies.co.uk