Timeline
Dates, calls, outages, visits and promises.
Document the facts, ask for a precise remedy and follow the correct UK escalation route.
Subject: Formal complaint – [provider] I am making a formal complaint about [describe the issue, dates and impact]. I first identified or reported this on [date]. My account or complaint reference is [reference]. I have attached the relevant bills, messages, photographs or test results. To resolve this complaint, I would like [state the specific correction, explanation or remedy you want]. Please confirm that this is logged as a formal complaint, provide a complaint reference and send your written response under your complaints procedure. Yours faithfully, [name]
Dates, calls, outages, visits and promises.
Bills, debits, quotes, excesses and calculations.
Contract, policy wording and advertised commitments.
One specific, proportionate outcome you can explain.