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Data protection

Subject Access Requests

Under the UK Data Protection Act 2018 you have a right to see a copy of your ‘personal data’ held on either the Police National Computer (PNC) or local police systems. You have a right to be provided with a copy of that personal data within one month of your request however certain information may be subject to exemptions if release of the information would prejudice a police operation or would identify other people. Subject Access Requests are require you to provide proof of identity.

Information held on PNC

If you require a check to be made against your conviction history (PNC check) this check is carried out by National Police Chiefs' Council Criminal Records Office (ACRO). This check may also be referred to as Police Certificates, Certificates of Good Behaviour, PNC Disclosures or PNC prints.

The City of London Police are unable to process this type of Subject Access Request and such requests must be sent directly to ACRO.

For further details:

0845 601 3999 (08:30 – 16:30 Monday to Friday)

Email us

PO Box 481
PO14 9FS

Information held on City of London Police Systems

If require a check to be made against your personal data held by City of London Police then the following form is to be completed.

Application for access to your personal data held by the City of London Police​

Please note: This is only in relation to local information held by the City of London Police. It will NOT include information held on the Police National Computer (PNC).

We can only supply your personal data to you. Should you be making an application on behalf of any other person (third party), please ensure you enclose an original letter of authorisation from that individual (the person who the information is about). Please also ensure that this individual has signed the application form and provided their identification documents.

Visa Requests

If you require a police check to apply for a visa for Australia, Bahamas, Belgium, Canada, Chile, New Zealand, South Africa and USA these requests are processed entirely by ACRO.

ACRO Police Certificates

Please note that Embassies for the above countries will normally only accept ACRO certificates. For other countries, applicants will need to apply to Disclosure Scotland, or make a Subject Access Request, depending on the requirements of the relevant Embassy.


The City of London Police does not provide disclosures for employment vetting services. If you require a disclosure for UK employment purposes, please contact Disclosure Scotland on 08706 096 006 . Disclosure Scotland is a government approved agency that provides suitable reports for employers showing any relevant convictions.

There are 3 levels of PNC Disclosure:


A Basic Disclosure contains details of only unspent convictions. There are times when a conviction becomes ‘spent’. This means the rehabilitation period has expired and you do not need to reveal them when asked to disclose your criminal history. If an offence is ‘unspent’ you must disclose it when asked about your criminal convictions.

Visit Disclosure Scotland


A Standard Disclosure contains spent and unspent convictions, cautions, reprimands and warnings.

Visit Disclosure Scotland​


An Enhanced Disclosure is only available from the Disclosure and Barring Service (DBS) – formally called Criminal Records Bureau (CRB) to Registered Bodies for those individuals seeking employment with children and vulnerable adults. They contain details of all spent and unspent convictions and additionally local intelligence assessed to be relevant to the post applied for. Individuals can only make an application via a Registered Body.

Visit Home Office - Disclosure and Barring Service

Privacy Notice

The City of London Police gathers and holds personal information which it uses for a policing purpose. This includes: Protecting life and property; Preserving order; Preventing the commission of offences; Bringing offenders to justice; Any duty or responsibility of the police arising from common or statute law.

Download the Privacy Notice​​ ​​​​​​​​​​