What should be on the timeline?
Record service start, minimum-term end, discount expiry and any scheduled charge changes. Put handset finance and optional subscriptions on their own lines. Keep the written contract summary and the more detailed information. If the explanation and documents differ, clarify the mismatch before accepting rather than assuming the first bill will resolve it.
Is the change already agreed?
Ofcom distinguishes a scheduled increase explained when you sign from a price change beyond what was agreed. Its guidance says an increase beyond the agreement requires at least a month’s notice and a penalty-free exit right. The exact circumstances matter. Do not treat every increase as automatically valid or assume every planned adjustment creates a new cancellation right.
Can a bill also decrease?
A device commitment ending, removal of an optional extra or application of a credit can reduce a total. An airtime minimum term ending does not necessarily stop the service or every payment. Check the following statement. If an adjustment was promised, note the expected bill or refund route and confirm that it appeared.
What makes a comparison fair?
Compare commitments across the same period using the actual provider figures, not only the introductory month. Include known changes and separate obligations. We explain the method without giving a live price quotation. For a disputed contractual right or a financially significant decision, obtain appropriate case-specific advice rather than treating general reading as a final determination.
Official reference ↗ · Checked 16 September 2026.