Privacy notice

Gangs Matrix

The London Borough of Hounslow is committed to protecting and respecting your privacy. Through this Privacy Notice we have sought to be as transparent as possible and fully explain how your personal data is held and processed.

This privacy notice applies to the Gang Matrix, which is a scheme is managed by the Metropolitan Police and shared with the London Borough of Hounslow. 

This privacy notice tells you what to expect us to do with your personal information.

If you have any questions about this privacy notice, please contact us via email:


As the Metropolitan Police is the controller of all relevant data within the Gangs Matrix, for further information or queries, see the Metropolitan Polices privacy notice.

Alternatively, you can contact the Metropolitan Police Data control officer via email at -


This privacy notice will continue to be monitored and updated. You are advised to check this page from time to time.

What type of information do we receive? 

We currently receive and process the following information:

  • Name
  • Address
  • Date of Birth
  • Gender
  • Address
  • Ethnic Origin
  • Police records
  • Probation records
  • Physical/ Mental Heath
  • Housing needs/tenure
  • Drug and alcohol use


How do we get your information?

  • All personal information received is provided to us directly by the Metropolitan Police service.

Examples of what information they may provide to us is below:

  • Allegations of crime, and or anti-social behaviour
  • Management of risk to individuals.
  • Management of criminality, fraud.
  • Safeguarding concerns.

Our Lawful basis for processing your information

Lawful Basis under Article 6 GDPR

The lawful basis conditions under GDPR are:

  • Legal obligation
  • Public task

We have a statutory responsibility under the Crime and Disorder Act 1998 to work in Partnership with other organisations and to create strategies and action plans in response to identified priority community safety issues.

Lawful basis under Article 9 GDPR

If the information provided to us contains special category data, such as health, religious or ethnic information the legal basis we rely on to process is as follows:

  • Health or social care (with a basis in law)
  • Reasons of substantial public interest (with a basis in law)

Under the Data protection legislation, we must identify an additional basis under schedule 1 part 1 of the Data Protection Act. For the purposes of this privacy notice, we have identified the following reasons:

  • Safeguarding of children and individuals at risk.
  • Preventing or detecting unlawful acts.
  • Protecting the public.
  • Preventing fraud.

Lawful Basis under Article 10 GDPR

Where the information provided to us relates to criminal convictions and offences, we must identify an additional basis under schedule 1 part 1 of the Data Protection Act. For this privacy notice, we have identified the below:

  • Safeguarding of children and individuals at risk.
  • Preventing or detecting unlawful acts.
  • Protecting the public.
  • Preventing fraud.


Why we need your information (purposes of processing)

The personal information we process is provided by Metropolitan Police for one of the following reasons:

  • To manage and deliver services to support you.
  • To help investigate any worries or complaints you have about our services.
  • To check the quality of services including our regulatory obligations.
  • To conduct research and evaluation to assist with the delivery of work, protect individuals from harm and to implement proactive measures to stop crime and anti-social behaviour.
  • To safeguard and protect communities and individuals from risk.
  • To use data sets to identify trends and hotspot mapping to prevent, detect and deter crime.


Who your information may be shared with internally?

Council officers may need to share information with other internal departments on a – “need to know basis”. These include  

  • Children and Adult Social care
  • Housing
  • Community Enforcement and Regulatory Services.
  • Environmental Services.


How long we keep your information

Information provided to the council by the Metropolitan Police will not be extracted or held on Council IT systems and will be for reference purposes only. As no data is being stored on Council hosted systems, the Council will not be required to destroy or dispose of any data.

Your data protection rights

The rights available to you depend on our reason for processing your information. For further information about your data protection rights and how to make a request, please see ‘Your rights

Your right to make a complaint

The Council tries to meet the highest standards when collecting and using personal information. For this reason, we take any complaints we receive about this very seriously. We encourage people to bring it to our attention if they think that our collection or use of information is unfair, misleading, or inappropriate.

If you want to make a complaint you can contact us on:

Complaints Team
London Borough of Hounslow
Hounslow House
7 Bath Road

Data Protection Officer

The Council’s Data Protection Officer can be contacted on:

Information Governance Team
London Borough of Hounslow
Hounslow House
7 Bath Road

Information Commissioner’s Office

The Information Commissioner is the UK's independent body set up to uphold information rights.

If you would like to know more about your rights under the Data Protection law, and what you should expect, visit the Information Commissioner’s website:

If you have any concerns regarding any privacy practices or about exercising your Data Protection rights, you may contact the Information Commissioner’s Office:

Information Commissioner's Office
Wycliffe House
Water Lane
Wilmslow Cheshire


Telephone: 0303 123 1113 or 01625 545 745

A full list of what information we control and process and for what purposes is set out in our notification with the Information Commissioner's Register of Data Controllers. Our registration number is Z5761176.  You can view our registration on the Information Commissioner's website.


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