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UK Police Glossary

Over 1025 police acronyms, abbreviations and terms explained — from PACE and PEQF to AFO and NPCC. An essential reference for recruits, officers and anyone who wants to understand UK policing.

Last reviewed: 29 May 2026 · Next review due: 29 November 2026

What are the main UK police acronyms and terms?

UK policing uses a dense set of acronyms drawn from legislation, organisation, specialist roles, ranks and training. The most common include PACE (Police and Criminal Evidence Act 1984), APP (Authorised Professional Practice from the College of Policing), NDM (National Decision Model), CVF (Competency and Values Framework), AFO (Authorised Firearms Officer), BWV (Body-Worn Video), IOPC (Independent Office for Police Conduct), NPCC (National Police Chiefs’ Council), HMICFRS (His Majesty’s Inspectorate of Constabulary and Fire & Rescue Services), PFEW (Police Federation of England and Wales), NPPF (National Police Promotion Framework), PIP (Professionalising Investigation Programme) and MAPPA (Multi-Agency Public Protection Arrangements). The full index below is paginated 50 terms per page, or browse by category or use the search box to jump straight to a term.

Police Glossary

A searchable reference of common police acronyms, abbreviations, and terms used across UK policing.

52 terms found

AFO
Specialist Roles

Authorised Firearms Officer

A police officer who has been trained and authorised to carry and use firearms during operational duties.

ANPR
Technology

Automatic Number Plate Recognition

Camera technology that reads vehicle registration plates to check against databases for stolen vehicles, wanted persons, and intelligence.

APP
Standards

Authorised Professional Practice

The official source of policing practice guidance published by the College of Policing, covering all areas of operational and professional policing.

ARV
Specialist Roles

Armed Response Vehicle

A police vehicle crewed by Authorised Firearms Officers, deployed to incidents involving firearms or other serious threats.

BCU
Organisation

Basic Command Unit

A geographical area of policing within a force, typically commanded by a Chief Superintendent. Some forces use alternative terms such as Local Policing Area.

BWV
Technology

Body-Worn Video

A small camera worn on an officer's uniform to record interactions with the public, used as evidence and to improve accountability.

CBRN
Specialist Roles

Chemical, Biological, Radiological, and Nuclear

Specialist response capability for incidents involving hazardous materials or weapons of mass destruction.

CID
Organisation

Criminal Investigation Department

The detective branch of a police force responsible for investigating serious and complex crimes.

CPS
Legal

Crown Prosecution Service

The independent body responsible for prosecuting criminal cases investigated by the police and other agencies in England and Wales.

CVF
Standards

Competency and Values Framework

The national framework published by the College of Policing setting out the behaviours, competencies, and values expected of all police officers and staff.

DC
Ranks

Detective Constable

A constable-rank officer who has passed the National Investigators Exam and works in a detective role investigating crime.

DHEP
Joining

Degree Holder Entry Programme

A two-year police entry route for applicants who already hold a degree in any subject. One of the three PEQF entry routes.

DI
Ranks

Detective Inspector

An inspector-rank officer serving in a detective role, typically managing a team of detective sergeants and constables.

DS
Ranks

Detective Sergeant

A sergeant-rank officer working in a detective capacity, supervising detective constables and managing investigations.

FLO
Specialist Roles

Family Liaison Officer

A trained officer deployed to support bereaved families during major investigations, acting as a key link between the family and the investigation team.

HMICFRS
Oversight

His Majesty's Inspectorate of Constabulary and Fire & Rescue Services

The independent body that inspects and reports on the efficiency and effectiveness of police forces and fire services in England and Wales.

IOPC
Oversight

Independent Office for Police Conduct

The body responsible for overseeing the police complaints system and investigating the most serious matters involving the police in England and Wales.

IRV
Organisation

Incident Response Vehicle

A marked police vehicle used by response officers to attend emergency calls and incidents.

JRFT
Joining

Job-Related Fitness Test

A physical fitness assessment that applicants and serving officers must pass, including elements such as the bleep test and dynamic strength tests.

MAPPA
Legal

Multi-Agency Public Protection Arrangements

A framework for managing dangerous offenders in the community, involving police, prison, and probation services working together.

MIT
Specialist Roles

Major Investigation Team

A specialist team of detectives responsible for investigating the most serious crimes, including murder, kidnap, and other major offences.

MoPI
Standards

Management of Police Information

The national guidance and standards for how police forces collect, record, evaluate, share, and dispose of information.

NCA
Organisation

National Crime Agency

The UK law enforcement agency that leads the fight against serious and organised crime, including human trafficking, drug trafficking, and cybercrime.

NDM
Standards

National Decision Model

The primary decision-making framework used by UK police. A six-stage model that helps officers make and record proportionate decisions.

NIE
Career

National Investigators Exam

The examination officers must pass to become accredited detectives under PIP Level 2, covering criminal law, evidence, and investigative procedures.

NPAS
Specialist Roles

National Police Air Service

The centralised police aviation service providing helicopter and fixed-wing support to all forces across England and Wales.

NPCC
Organisation

National Police Chiefs Council

The body that brings together chief police officers to coordinate operations, reform, and develop policing nationally.

NPPF
Career

National Police Promotion Framework

The framework governing the promotion process for police officers from constable to superintendent, including examinations and work-based assessment.

OSPRE
Career

Objective Structured Performance Related Examination

The former name for the police promotion examinations (Part I legal exam and Part II role-play assessment), now replaced by the NPPF process.

PACE
Legal

Police and Criminal Evidence Act 1984

The primary legislation governing police powers of stop and search, arrest, detention, investigation, and the treatment of detained persons.

PCC
Oversight

Police and Crime Commissioner

An elected official responsible for securing efficient and effective policing within their force area, setting the police budget, and holding the Chief Constable to account.

PCDA
Joining

Police Constable Degree Apprenticeship

A three-year police entry route where new officers earn a degree in Professional Policing Practice while training on the job. The most common PEQF entry route.

PCSO
Ranks

Police Community Support Officer

A non-warranted member of police staff with limited powers who provides a visible policing presence and supports community engagement.

PEQF
Joining

Police Education Qualifications Framework

The national framework introduced by the College of Policing setting out the entry routes and educational requirements for becoming a police officer.

PFEW
Organisation

Police Federation of England and Wales

The staff association representing police officers from the rank of constable to chief inspector on pay, conditions, and welfare matters.

PIP
Career

Professionalising Investigation Programme

The national programme that sets the standards and accreditation levels for criminal investigators, from PIP Level 1 (patrol) to PIP Level 4 (strategic).

PNC
Technology

Police National Computer

The national database holding records on people (convictions, wanted/missing), vehicles, and property. Accessible to all UK forces.

PND
Technology

Police National Database

A national intelligence database allowing forces to share and access intelligence, custody records, and crime reports across force boundaries.

PPE
Organisation

Personal Protective Equipment

The equipment issued to officers for personal safety, including body armour, handcuffs, PAVA spray, baton, and in some cases, Taser.

PRRB
Oversight

Police Remuneration Review Body

The independent body that makes recommendations to the government on pay and conditions for police officers up to and including the rank of chief superintendent.

PSAEW
Organisation

Police Superintendents' Association of England and Wales

The staff association representing officers at the ranks of superintendent and chief superintendent in England and Wales, on pay, conditions, welfare and professional development matters. The Scottish and Northern Irish equivalents (ASPS and PSAoNI) operate separately.

PSU
Specialist Roles

Police Support Unit

A trained unit of officers equipped for public order deployments, typically consisting of one inspector, three sergeants, and a number of constables with specialist equipment.

RIPA
Legal

Regulation of Investigatory Powers Act

The legislation governing the use of covert surveillance, informants, and interception of communications by law enforcement agencies.

RPU
Specialist Roles

Roads Policing Unit

A specialist unit focused on road safety, traffic enforcement, collision investigation, and the policing of the road network.

SFO
Specialist Roles

Specialist Firearms Officer

An officer with advanced firearms training beyond standard AFO, deployed to the most high-risk firearms operations including counter-terrorism.

SIPP
Career

Sergeant & Inspector Promotion & Progression

The process and pathway for officers seeking promotion from constable to sergeant or sergeant to inspector under the NPPF.

SIO
Specialist Roles

Senior Investigating Officer

The officer in overall charge of a major crime investigation, typically a detective chief inspector or detective superintendent with PIP Level 3 accreditation.

SNT
Organisation

Safer Neighbourhood Team

A local policing team dedicated to a specific area, focused on community engagement, problem-solving, and addressing neighbourhood priorities.

TASER
Technology

Conducted Energy Device

A less-lethal device that fires electrodes to temporarily incapacitate a subject. Only specially trained officers are authorised to carry Taser.

TSG
Specialist Roles

Territorial Support Group

A specialist public order unit (primarily associated with the Metropolitan Police) providing a mobile reserve for public order, crime operations, and major events.

UPP
Standards

Unsatisfactory Performance Procedure

The formal procedure for managing police officers whose performance falls below the expected standard, involving stages of improvement action and review.

VPC
Joining

Volunteer Police Cadet

A young person aged 13-17 who volunteers with the police, gaining experience and contributing to community projects.

Browse All Glossary Terms

The complete index — 1025 UK policing acronyms and terms, 50 per page.

4P approachAPPStandards
A strategic framework to pursue suspects, prepare for crime, protect potential victims, and prevent engagement in criminal activities.

Source: College of Policing APP

Absolute dischargeAPPStandards
A discharge where no penalty is imposed.

Source: College of Policing APP

ACCACCAPPStandards
Assistant Chief Constable

Source: College of Policing APP

account freezing orderAPPStandards
A civil application to freeze an account with intent for forfeiture.

Source: College of Policing APP

account monitoring orderAPPStandards
An order that requires financial institutions to provide current transactional activity.

Source: College of Policing APP

Account monitoring ordersAPPStandards
Orders that provide live intelligence on a suspect’s bank accounts for up to ninety days.

Source: College of Policing APP

AccountabilityAPPStandards
The obligation of police to explain their actions and decisions during operations.

Source: College of Policing APP

Accredited financial investigator (AFI)APPStandards
Members of police staff who have attended the same course as FIs and have received accreditation.

Source: College of Policing APP

ACCT planAPPStandards
Assessment and Care in Custody and Teamwork plan for individuals at risk of self-harm or suicide.

Source: College of Policing APP

Achieving Best Evidence (ABE)APPStandards
A protocol guiding effective interviewing for child victims to produce clear evidence for court.

Source: College of Policing APP

ACPOACPOAPPStandards
Association of Chief Police Officers

Source: College of Policing APP

AcquittalAPPStandards
A formal decision that someone is not guilty of a criminal charge.

Source: College of Policing APP

ACRO Criminal Records OfficeAPPStandards
The national police unit responsible for exchanging criminal conviction information.

Source: College of Policing APP

Action conditionAPPStandards
A1 - Covert development, A2 - Covert use, A3 - Overt use

Source: College of Policing APP

Active listening skillsAPPStandards
Communication techniques that emphasize understanding and engagement with an individual's needs.

Source: College of Policing APP

Active Risk Management System (ARMS)APPStandards
A framework used for assessing and managing risk concerning offenders.

Source: College of Policing APP

acute behavioural disturbance (ABD)APPStandards
A medical emergency characterized by severe agitation and potential violence.

Source: College of Policing APP

AdjudicationAPPStandards
A human assessment of an alert generated by the LFR application by an LFR engagement officer to decide whether to engage further with the individual matched to a watchlist image.

Source: College of Policing APP

AdministratorAPPStandards
A specially trained person who has access rights to the LFR application, in order to optimise and maintain its operational capability.

Source: College of Policing APP

AdmissibilityAPPStandards
The court's decision on whether evidence can be included, is often dependent on various legal standards and specifications.

Source: College of Policing APP

Adult CautionAPPStandards
A formal warning for adults admitting minor offences.

Source: College of Policing APP

Adult Conditional CautionAPPStandards
A caution with conditions attached for adult offenders which includes reparative and rehabilitative measures.

Source: College of Policing APP

AdversarialAPPStandards
The court sits in independent arbitration between the prosecution and the defence.

Source: College of Policing APP

Adverse IncidentAPPStandards
An event that has the potential to cause harm or injury but is successfully mitigated.

Source: College of Policing APP

ADVOKATEADVOKATEAPPStandards
A mnemonic to help remember key factors in eyewitness identification.

Source: College of Policing APP

AEPAEPAPPStandards
Attenuating Energy Projectile

Source: College of Policing APP

AFOAFOAPPStandards
Authorised Firearms Officer.

Source: College of Policing APP

AFOsAPPStandards
Authorised Firearms Officers

Source: College of Policing APP

Agency primacyAPPStandards
Determination of which agency holds primary responsibility during a review.

Source: College of Policing APP

AirwaveAPPStandards
A digital radio service used by emergency services in the UK for interoperability.

Source: College of Policing APP

AlertAPPStandards
A notification generated by the LFR application when a facial image from the video stream returns a comparison score above the threshold.

Source: College of Policing APP

AlgorithmAPPStandards
Clearly specified mathematical processes for computation.

Source: College of Policing APP

Algorithmic transparencyAPPStandards
The extent to which an organization makes the workings of its algorithms accessible and understandable to the public and interested stakeholders.

Source: College of Policing APP

Alpha victimAPPStandards
A victim who is complicit in the exploitation of others, often out of survival and not out of choice.

Source: College of Policing APP

AMHPAMHPAPPStandards
Approved Mental Health Professional.

Source: College of Policing APP

Ante MortemAPPStandards
Information collected before death regarding an individual's physical characteristics or personal history used to aid identification.

Source: College of Policing APP

Ante Mortem informationAPPStandards
Information gathered prior to death to assist in identifying deceased individuals.

Source: College of Policing APP

AntemortemAPPStandards
Processes related to identifying the victim prior to death, including collecting evidence.

Source: College of Policing APP

Anti-social Behaviour, Crime and Policing Act 2014APPStandards
An Act that addresses issues of anti-social behaviour and gives police new tools.

Source: College of Policing APP

APPAPPAPPStandards
Authorised Professional Practice

Source: College of Policing APP

APP on Mental HealthAPPStandards
The module that supersedes previous guidance on mental ill health and learning disabilities.

Source: College of Policing APP

Application accuracyAPPStandards
Application accuracy can be considered to consist of the combined LFR technology accuracy and the human in the loop decision-making process.

Source: College of Policing APP

Appropriate AdultAPPStandards
An adult designated to support a child or young person in police custody.

Source: College of Policing APP

Approved Mental Health Professional (AMHP)APPStandards
Formerly known as an approved social worker, responsible for conducting assessments regarding hospital detention.

Source: College of Policing APP

Armed policing strategic threat and risk assessment (APSTRA)APPStandards
Available via Knowledge Hub.

Source: College of Policing APP

ARVArmed Response VehicleSpecialist Roles
A police vehicle crewed by Authorised Firearms Officers, deployed to incidents involving firearms or other serious threats.
Armed response vehicles (ARV)APPStandards
Vehicles equipped for armed policing operations.

Source: College of Policing APP

ARMSARMSAPPStandards
Assessment of Risk Management Status

Source: College of Policing APP

Article 2 ECHRAPPStandards
European Convention on Human Rights placing a positive duty on the state to investigate any death caused by state agents.

Source: College of Policing APP

Article 2 of the ECHRAPPStandards
The European Convention on Human Rights article stipulating the duty to investigate deaths caused by state action.

Source: College of Policing APP