Artifact GuideUKPECR Cookies

UK GDPR PECR Cookies

PECR applies to cookies, pixels, scripts, device fingerprinting, and other technologies that store information on or access information from a person's device.

Consent is required unless every purpose fits a PECR exception. Since 5 February 2026, the exceptions include limited statistical, appearance, and emergency-assistance uses as well as communication and strictly necessary uses.

Author
Sorena AI
Published
May 9, 2026
Updated
Jul 25, 2026
Sections
4

Structured answer sets in this page tree.

Primary sources
8

Cited legal and guidance references.

Publication metadata
Sorena AI
Published May 9, 2026
Updated Jul 25, 2026
Overview

Audit each storage and access technology by purpose, not by its label. Obtain valid consent before any non-exempt purpose starts. An exception may apply to transmission, a service that the user requested, limited service-improvement statistics, appearance or functionality, or emergency assistance, but each exception has its own conditions. PECR applies even if the information is not personal data; the UK GDPR also applies when personal data is processed.

Section 3

How do PECR and the UK GDPR work together?

PECR protects information on a device whether or not it identifies anyone. If the storage, access, or subsequent use involves personal data, the controller must also identify a UK GDPR lawful basis, provide privacy information, limit the purpose and data, secure it, set retention, support rights, and assess processors and international transfers.

PECR consent and the UK GDPR lawful basis are linked but not interchangeable. If PECR requires consent, an organisation cannot avoid that requirement by selecting legitimate interests for the same storage or access. For subsequent personal-data processing, document the applicable lawful basis and make sure it is consistent with what the person agreed to.

Children and people likely to misunderstand tracking need particular attention. Use language and controls they can understand, avoid manipulative choice design, and consider whether profiling, sensitive inferences, or large-scale monitoring triggers a DPIA.

  • Assess first-party and third-party technologies; using a vendor does not transfer the service operator's PECR responsibility.
  • Include apps, connected devices, smart TVs, pixels in messages, and server-side tag arrangements where a user's device is still accessed.
  • Do not treat anonymisation after collection as permission for storage or access that required consent at the time it occurred.
  • Check territorial scope for services outside the UK that store or access information on UK users' devices.
Section 4

What evidence should a PECR review produce?

The service owner should maintain a live register tied to the deployed configuration. Product and engineering teams identify storage and access; privacy or legal reviewers assess consent and exceptions; marketing and analytics owners state the purpose; procurement records vendor behaviour and onward sharing.

Evidence should show what fires before and after each choice, the exact notice and controls shown, the consent or exception relied on for each purpose, objection and withdrawal behaviour, retention, recipients, contracts, UK GDPR lawful basis where personal data is involved, and the date and result of the last technical test.

  • Capture network logs or equivalent test evidence for no choice, accept, reject, granular selection, later withdrawal, and objection.
  • Record consent with enough detail to show who chose, when, what information and version they saw, what purposes they selected, and how they can withdraw.
  • Retest after tag-manager, vendor, campaign, application, consent-platform, or code changes, and on a defined review cycle.
  • Stop or quarantine an undeclared technology until its purposes, recipients, legal route, and controls are known.
Primary sources

References and citations

ico.org.uk
Referenced sections
  • ICO explanation of the communication, strictly necessary, statistical purposes, appearance, and emergency-assistance exceptions and their conditions.
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