A chronology helps a reader understand what happened without searching through every email. Keep it factual and make each entry traceable to a record.

Start with four columns

Use a spreadsheet or a simple table: date, event, supporting record and why it matters. Begin with the earliest relevant event and work forward.

Fictional example — not a client case
Date Event and supporting record Relevance
3 March Fault reported by email, item E01 First report
12 March Appointment confirmation, item E02 Action promised
13 March Follow-up email records a missed visit, item E03 Unresolved issue

Separate facts from recollection

If you have a dated email, describe what it says. If you only remember a telephone conversation, label the entry as your recollection. Use “approximately” where the date is uncertain; do not invent precision.

Keep each entry short

One or two sentences are usually enough. Put your fuller explanation in the complaint itself. Include relevant responses even where they do not support your position; a complete record is more useful than a selective one.

Check the sequence

Look for repeated reports, promised actions and unanswered points. Check the dates against the originals and make sure the evidence references match your document list.

Useful wording: “The provider confirmed an appointment for 12 March (E02). My follow-up email on 13 March records that no one attended (E03).”

General information about organising and presenting complaints, not legal advice.

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