Fake money, commonly called counterfeit currency, refers to an imitation banknote or coin that is made to appear like genuine British currency. Counterfeit money is not legitimate money and cannot be treated as a normal form of payment. In the UK, producing, possessing, selling, importing, or knowingly passing counterfeit Bank of England notes can constitute a criminal offence. The Bank of England states that counterfeit notes are worthless and that Counterfeit money for sale can create financial losses for businesses and members of the public.

Why Counterfeit Notes Are a Serious Problem

Counterfeit currency can affect several people during a single transaction. A shop may accept a fake note and Fake money provide genuine goods and change, leaving the business with a financial loss. If the note later moves to another person, that individual may experience the same problem. Although counterfeit notes represent only a small proportion of the UK's circulating banknotes, even isolated incidents can cause unnecessary losses and inconvenience. In 2025, the Bank of England reported that fewer than 0.0041% of banknotes were counterfeit.

Modern UK Banknotes Have Multiple Security Features

Current Bank of England £5, £10, £20, and £50 notes are made from polymer and contain several features designed to make counterfeiting more difficult. These include transparent windows, metallic elements, holographic features, and raised printing. The security features are designed to be checked through simple actions such as looking closely, tilting the note, and feeling the surface. These features also appear on current notes featuring both King Charles III and Queen Elizabeth II.

Why Fake Money Advertisements Online Can Be Scams

People searching online for counterfeit money can encounter fraudulent advertisements rather than genuine sellers. The Bank of England specifically warns that some online accounts claiming to supply counterfeit banknotes are deceptive scams, even when advertisements contain photographs or videos. Someone responding to such an advertisement could lose money or expose personal information without receiving anything. This makes online counterfeit-money offers dangerous from both legal and financial perspectives.

Counterfeit Notes Can Be Difficult to Notice at First

A busy retail environment can make it easier for a suspicious note to go unnoticed. Poor lighting, queues, distractions, and rushed transactions can prevent someone from carefully examining cash. Businesses that regularly handle banknotes can reduce this risk by teaching employees how to check notes consistently. The Bank of England recommends checking notes at the point of sale rather than waiting until later.

Simple Checking Habits Can Help

A useful approach is to become familiar with the normal appearance and feel of genuine UK banknotes. Raised print can be felt on certain parts of the note, while transparent windows and metallic elements can be visually inspected. Tilting the note can also reveal changes in holographic images. The Bank of England recommends using several security features rather than relying on one characteristic alone.

Detector Pens Are Not Reliable for Polymer Notes

Many people assume that a detector pen automatically proves whether a banknote is genuine. However, the Bank of England states that detector pens should not be used to identify counterfeit polymer notes because they do not detect these counterfeits reliably. Businesses that need additional authentication can consider suitable banknote-checking equipment designed to recognize current counterfeit notes.

The Difference Between Damaged and Counterfeit Money

A damaged banknote is not automatically a fake one. Genuine notes can become worn, torn, stained, or otherwise damaged through everyday use. The Bank of England has procedures for exchanging eligible damaged genuine notes. Counterfeit notes are different because they have no monetary value and are not reimbursed simply because someone received one unknowingly. Understanding this difference can prevent unnecessary confusion when handling old or damaged cash.

What Happens If Someone Receives a Suspected Fake Note?

A person who believes they have received a counterfeit banknote should not attempt to spend it elsewhere. The appropriate response is to contact the police or follow the Bank of England's procedure for submitting a suspect note. Police can provide a receipt and arrange for the note to be examined. If the note turns out to be genuine, reimbursement may be possible under the applicable procedure; counterfeit notes themselves are not reimbursed.

Businesses Face Particular Risks

Retailers, restaurants, entertainment venues, markets, and other cash-handling businesses can be vulnerable because employees may process large numbers of transactions quickly. A counterfeit note used in a small purchase can cause the business to lose both the goods and the genuine change given to the customer. Staff training and consistent checking procedures can therefore provide an important layer of protection.

Counterfeiting Has Legal Consequences

UK law treats counterfeit banknotes seriously. The Bank of England explains that offences can include making counterfeit notes, knowingly passing them, possessing them with the intention of passing them as genuine, and certain activities involving materials used to create counterfeit notes. The maximum sentence for offences under the Forgery and Counterfeiting Act 1981 can be 10 years' imprisonment.

Fake Banknote Images Can Also Have Restrictions

Counterfeit currency is not the only area where caution is needed. People creating posters, websites, films, educational materials, props, or advertisements sometimes want to reproduce images of British banknotes. The Bank of England has specific conditions governing reproductions of its banknotes. A reproduction that does not meet the relevant requirements can create legal problems, particularly when it could be mistaken for a genuine note.

How Counterfeit Money Affects Ordinary People

The person who unknowingly receives a counterfeit note may be the one who ultimately loses its value. For example, someone might receive a suspicious note as change and only discover the problem when trying to use it later. Because counterfeit notes are worthless, the loss can fall directly on the person who happens to possess the fake currency when it is identified. This is why checking cash carefully can protect both customers and businesses.

Why Responsible Reporting Matters

Reporting suspected counterfeit activity can help authorities identify patterns and investigate the people responsible for distributing fake currency. The Bank of England advises people who have information about counterfeit banknotes being made, sold, or knowingly used to contact the police. Reporting suspicious online advertisements to the relevant platform can also help reduce fraudulent activity.

Cash Users Should Stay Familiar With Genuine Notes

One of the easiest ways to become better at spotting suspicious currency is to become familiar with genuine banknotes. Looking at the transparent window, feeling raised printing, and checking metallic and holographic elements can become a normal part of handling cash. People who regularly deal with money can learn these features before encountering a questionable note, making unusual characteristics easier to notice.