Home / Car Park Management / Latest Blogs / Protect your car park / Unauthorised parking on private land: what site operators can do Unauthorised parking on private land: what site operators can do 26/08/2026 Last Updated: 18th August 2026Unauthorised parking on private land can create serious problems for landowners, businesses, and the customers or visitors who rely on their sites. From lost revenue and traffic congestion to crime and site damage, the effects of unchecked abuse tend to build up over time. For busy in-house teams already juggling security, complaints, and payments, an unauthorised vehicle parking on site adds real strain, and it can affect customer experience as much as it affects the bottom line. Unauthorised parking on private land is a civil matter, not a criminal offence, so the police and local authorities generally can’t intervene. Site operators can lawfully act by using compliant signage to create a contract with drivers, then enforcing it with tools such as ANPR, permits, and Bay Management. Not every operations or facilities manager knows what their rights actually are when it comes to private land parking enforcement, or which methods genuinely stop people parking on private land rather than just moving the problem elsewhere. The scale of the problem can be significant: some NHS Trusts have found that parking-related issues account for as much as 25% of all complaints they receive, and one Premier League football club we work with was seeing more than 200 unknown vehicles in its car park every single day before addressing the issue. Why calling the police or council rarely helps The police and local authorities generally cannot stop unauthorised parking on private land, because it’s a civil matter rather than a criminal offence. This means the police don’t have the resource, or the power, to deal with most issues of this kind. Local authorities are similarly limited. They can only act to stop unauthorised parking where a car park falls under specific by-laws, or where the parking itself presents a genuine health and safety risk. Outside of those circumstances, enforcement is left to the landowner or operator. Why clamping is no longer an option Clamping a vehicle on private land is illegal across the UK. In England and Wales, this has been the case since the Protection of Freedoms Act was introduced in 2012, which banned wheel clamping and vehicle removal without lawful authority, while also giving landowners a way to pursue the registered keeper of a vehicle for unpaid parking charges, provided certain conditions are met. In Scotland, clamping on private land has been banned since 1992. Businesses that comply with the law can find this makes unauthorised parking harder to deal with in practice, since the most direct, physical response is no longer available to them. Legal position at a glance: Action Legal status on private land Calling the police Only in limited cases (e.g. obstruction, an untaxed or uninsured vehicle, or a separate criminal offence) Contacting the local authority Only where specific by-laws apply, or there’s a genuine health and safety risk Clamping or removing a vehicle Illegal since 2012 in England and Wales, and since 1992 in Scotland Issuing a parking charge based on signage This is allowed, provided the signage meets the required standard How to stop people parking on your private land The main way to stop people parking on your private land is to display clear, visible signage that sets out your parking terms, since this creates a contract with anyone who drives onto your site. Anyone who parks without meeting those terms is then in breach of that contract, and can face sanctions as a result. Where no contract is formed, the law of trespass may apply instead. Without the right signage in place, there’s no basis for taking action against unauthorised use. From there, most operators combine signage with one or more of the following: Approach What it addresses ANPR monitoring Identifies and acts on unauthorised or non-paying vehicles Bay Management Protects priority spaces such as EV bays, Blue Badge bays, and parent and child bays Permits Controls exactly who can and can’t access a site Streamlined payment options Reduces the number of people who leave without paying Site security accreditation (e.g. Safer Parking) Reduces the likelihood of abuse occurring in the first place How ANPR helps reduce unauthorised parking Automatic Number Plate Recognition, or ANPR, is one of the most effective tools available for tackling unauthorised parking, and it addresses a wide range of issues at once, from security concerns to ticket fraud. Parkingeye is one of the largest suppliers of ANPR systems on private car parks in the UK, so this is an area we see the results of every day. Improves site security. ANPR can monitor a site 24 hours a day, recording footage of every vehicle that comes and goes. This is particularly useful in criminal cases, providing evidence and information that can support an investigation if one’s needed. Reduces administrative strain. Rather than employees having to handle, manage, and challenge complaints themselves, ANPR takes on that role, providing solid, inarguable proof when a case needs to be made against an unauthorised user, without the cost of a manual, labour-intensive process. Identifies non-genuine use. By matching each vehicle’s number plate against site records, ANPR can determine which motorists are legitimate and which have no right to be on site, so unauthorised use doesn’t go unnoticed. Delivers reliability and accuracy. Every vehicle entering a site is logged, meaning you can see who’s on site at any point in time, and whether they’ve paid for their stay. Anyone leaving without paying, or anyone using the site without authorisation, can be issued with a parking charge, reducing abuse quickly. Protecting specific areas with Bay Management General site-wide enforcement doesn’t always protect the spaces that matter most in a car park. A dedicated Bay Management approach adds a further layer of protection to crucial, high-value areas: Protected space Why it needs extra protection Blue Badge bays Disabled badge fraud is estimated to have quadrupled since 2014, and one industry campaign found that as many as 1 in 5 supermarket disabled bays are being misused EV charging bays Keeps charging points free for vehicles that actually need to charge, rather than being used as standard parking Parent and child spaces Keeps them available for the visitors they’re intended for Applying ANPR to these specific spaces means they stay free from abuse and ready for the people who genuinely need them, rather than being treated the same as any other bay on site. Using permits to control who can access your site Some sites need a greater level of control over who can and can’t park, beyond simply stopping abuse from the general public. Permits are a straightforward way to achieve this, whether that’s establishing dedicated staff parking, or offering parking as an attractive benefit to a specific group, such as students or gym members. A cloud-based permit system makes this easier to manage day to day. It allows a business to introduce a paperless permit scheme for visitors, without creating an overwhelming administrative burden for the team running it. Streamlined payments reduce non-payment Making it straightforward for legitimate visitors to pay addresses a specific form of abuse: people who use a car park without paying for it. Offering a range of ways to pay makes it harder for anyone to claim they didn’t realise payment was required, and reduces the number of people who leave without paying. Keeping your car park secure Without the right security and enforcement in place, car parks across every sector are left open to abuse. For a retailer, the impact of an unsafe or poorly managed site can mean a real loss in footfall. For other organisations, an unsafe car park puts the security of employees, visitors, and their belongings at risk on a daily basis. Safety on site should be a priority for every business owner, not an afterthought. One way to demonstrate this is by working towards Safer Parking status, a police-backed accreditation for safe and secure car parks. Formerly known as ParkMark, this strengthens the security of a site through a police assessment covering aspects such as: Lighting. Accessibility. Lines of sight. The presence of crime prevention and detection technology. Enforcement that’s handled properly Being entitled to issue a parking charge is only useful if the process behind it is fair and consistent. A structured, multi-step audit and checking process should sit behind every charge before it’s issued, confirming that the signage was in place, the vehicle was genuinely in breach, and the notice is accurate. Without this kind of check, charges are far more likely to be issued incorrectly, and far more likely to be successfully challenged. A proven appeals process A fair enforcement process also needs a clear route for motorists to challenge a charge, both directly with the operator and, if that doesn’t resolve things, through an independent ombudsman such as POPLA. This exists to catch genuine mistakes, such as a payment that failed to register or a permit that wasn’t correctly recorded, as well as cases involving extenuating circumstances, which come up particularly often on healthcare sites. A well-run appeals process protects the credibility of enforcement on a site as much as it protects the motorists using it. The impact of getting this right Businesses that put the right combination of enforcement, signage, and technology in place tend to see a significant shift fairly quickly. On average, sites see an 80% improvement in parking compliance within the first three months of a solution going live, and across our wider portfolio, the level of contraventions issued to motorists breaking site rules typically halves within three months and drops to just a quarter after six. This plays out clearly in practice: Site Result Major NHS Trust Visitor complaints fell from 25% to just 0.01%, despite 250,000 cars passing through the site’s gates every month Euro Garages (350+ site portfolio) Parking misuse dropped by around 90%, with abuse typically reduced within 2–3 days of the system going live Wye Valley Visitor Centre Non-customer vehicles on site during the same August bank holiday fell from 50% in 2017 to just 15% the following year Results like these translate into more space for genuine customers, fewer complaints, and less time spent by internal teams fielding parking issues instead of doing their actual jobs. Key takeaways Unauthorised parking and abuse can lead to lost revenue, congestion, site damage, and increased strain on in-house teams. Parking on private land is a civil matter, not a criminal one, so the police and local authorities generally can’t intervene. Clamping and vehicle immobilisation on private land are illegal across England, Wales, and Scotland. Contract and trespass law, supported by clear signage, provide the legal basis for issuing sanctions against unauthorised use. ANPR, online booking systems, Bay Management, permits, and streamlined payments each address unauthorised parking from a different angle, and are typically most effective when combined. Safer Parking accreditation demonstrates that a site meets recognised standards for safety and security. A structured audit process and a proven appeals record, supported by an independent ombudsman, are what make enforcement fair and effective. Sites that address unauthorised parking properly can see an 80% improvement in compliance within three months. If unauthorised parking is causing problems on your site, get in touch to talk through what’s happening and what might help.
