Our banknotes are printed in Essex, by De La Rue Currency. They contain components from a wide range of suppliers.
There are currently two types of Bank of England banknote: paper and polymer.
How are paper banknotes made?
The material for our paper banknotes is made by a specialist paper manufacturer.
Most paper is made out of wood pulp, but the paper we use for our banknotes is manufactured from cotton.
The banknotes have special security features to make them difficult to counterfeit.
How are polymer banknotes made?
In 2016 we issued our first banknote made of polymer: a thin, flexible plastic material. The polymer used in our banknotes is polypropylene, which is formed into a durable yet lightweight plastic film. It is coated with layers of special ink, which carry the printed design of a banknote.
We decided to move to polymer banknotes because they are cleaner, safer and stronger than paper banknotes. The polymer material allows us to include ‘windows’ or clear sections in the design, which makes them harder to counterfeit. Polymer is also better than paper at repelling dirt, so the new banknotes stay cleaner for longer. And, because they last around 2.5 times longer than paper banknotes, they are also more environmentally friendly.
How do banknotes get to where they are needed?
The Note Circulation Scheme (NCS) governs the distribution, processing and storage of our banknotes. The NCS provides a framework for the wholesale commercial cash industry which helps encourage efficiencies in their banknote operations. Legal agreements and rules underpin how the NCS operates.
The following companies are members of the NCS:
- G4S Cash Solutions
- Post Office
- National Westminster Bank
- Vaultex UK.
The Bank does not distribute banknotes. Our direct involvement in wholesale cash distribution is limited to issuing new banknotes, withdrawing banknotes when a new series is launched and destroying banknotes that are no longer fit for circulation.
NCS members supply banknotes to their customers from a number of cash centres located around the UK. Banknotes enter circulation when they have been distributed by the NCS members to banks, building societies, ATM operators and large retailers. Members of the public receive banknotes most commonly by withdrawing them from ATMs, from bank or building society branches or as change in shops.
Public demand for banknotes varies throughout the year and increases significantly around Christmas, Easter, other bank holidays and major public events.
How does the Note Circulation Scheme (NCS) work?
1. The Bank issues new banknotes:
Members of the NCS buy new banknotes from us at face value. We invest this money in assets such as government bonds. We deduct the cost of printing and issuing banknotes from the income on these assets, and return the balance to HM Treasury. This income is called seigniorage.
2. Banknotes are returned to the Note Circulation Scheme
The banknotes that businesses and banks receive in payment may be returned to one of the NCS members, either directly or through a bank. Reasons for returning banknotes include:
- Banknotes need to be stored securely.
- Banknotes don’t earn interest so retailers pay them into a bank, where they can earn interest.
- NCS members are able to count and reconcile deposits more quickly and efficiently, often using large, high-speed note processing machines.
Sometimes, retailers and businesses use banknotes received from customers to fill their own note-dispensing machines, like ATMs and self-service tills. This is known as local recycling. In these situations, notes are not returned to the NCS and authenticated. The Bank and the cash industry sponsor a local recycling code, to encourage retailers and business to authenticate banknotes when they are locally recycled.
3. Sorting banknotes
NCS members sort the banknotes returned by their customers. They do this to check that they are current design, genuine and in good condition.
Banknotes are sorted by high-speed machines which can process up to 2,000 banknotes per minute. We set quality standards that NCS members use to determine whether a note is in good enough condition to be redistributed. Banknotes with defects, like holes and tears, or those that are dirty are removed.
We also provide NCS members with examples of counterfeit banknotes. These are used to calibrate the sorting machines to make sure they are detecting all counterfeit banknotes. Banknotes that are not fit to be recirculated are returned to us to be destroyed.
4. Recycling banknotes
Hundreds of millions of banknotes are returned each year because they are old, worn or dirty.
NCS members are responsible for sorting banknotes and returning any that are unsuitable for circulation to us. We destroy all of these banknotes.
Paper banknotes are recycled using a composting treatment. The waste product is then used as a soil improver in agriculture.
Polymer banknotes are turned into pellets before being transformed into new plastic items, such as plant pots.
Whistleblowing and the Note Circulation Scheme (NCS)
Whistleblowing is when an employee reports suspected wrongdoing at work. The Bank of England is a ‘prescribed person’, which means that you can make a whistleblowing disclosure about the Note Circulation Scheme to us instead of your employer. This is generally referred to as ‘making a disclosure in the public interest’. An employee can report things that are not right, are illegal or if anyone at work is neglecting their duties, including:
- someone’s health and safety is in danger
- damage to the environment
- a criminal offence
- the company is not obeying the law
- covering up wrongdoing.
We encourage employees of Note Circulation Scheme members and the financial institutions that back them to first use the whistleblowing procedures available in their workplace. If there are not any, or if you do not feel able to do so, you can contact us on +44 (0)20 3461 8703 during office hours. Alternatively, you can email us at NCSwhistleblowing@bankofengland.co.uk or write to: IAWB Team, PRA RAD, Bank of England, 20 Moorgate, London EC2R 6DA.
Disclosures made to us will be dealt with by a dedicated whistleblowing function at our Prudential Regulation Authority (PRA).