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Disclaimer: This is not legal advice. Legislation and case law change. Always consult a qualified solicitor for your specific situation.

UK Law Reference
โ† All Tools & Calculators
deadlines
Data Protection
Updated 2026-04

DSAR Deadline Calculator

Calculate the statutory response deadline for a Data Subject Access Request (DSAR) under UK GDPR Article 12(3) โ€” one calendar month, extendable by two further months for complex or numerous requests.

Calculator โ€” accuracy depends on current rates

This calculator uses the rules and figures published on the dates shown. Rates, thresholds, and fees change โ€” always verify the current figure on the official government website before paying or filing. The output is not legal advice.

Rates current as of: .

Privacy: runs entirely in your browser. Nothing you enter is sent to us or saved.

When to use this tool

Use as soon as you submit a DSAR to a controller, or if you are a controller who has received a DSAR. The one-month clock starts on the day the request is received. If the controller intends to extend, they must notify you within the first month with reasons. Failure to respond is a breach reportable to the ICO.

DSAR Deadline Calculator

The one-month period starts on the day the controller receives the request. If submitted by email, this is the day it arrives in their inbox.