Guide · Complaints & Disputes

Final responses & deadlock

What final responses and deadlock letters do, what they should contain and what deadlines they trigger.

A final response should state the organisation’s final position; deadlock usually means it cannot resolve the complaint and external escalation can begin.

A final response is important because it fixes the organisation’s stated reasons and often tells you which external scheme can review the complaint. Read it issue by issue rather than only looking at whether the complaint is “upheld” or “not upheld”.

Deadlock terminology is common in telecom and some ADR contexts. It can allow referral before the ordinary waiting period.

Key points

  • Save the complete response and date received.
  • Check whether every complaint issue is actually answered.
  • Note any changed factual position or new evidence.
  • Read the referral instructions and deadline.

Audit the response against your complaint

Create two columns: “issue raised” and “answer given”. If an issue has no proper answer, mark it. A response can be formally final while still being analytically incomplete.

A conclusion is not a reason

“We are satisfied the account is correct” does not explain why disputed dates or documents were rejected. Where reasons matter, ask for the evidential and rule-based basis.

Do not let a remedy obscure unresolved facts

A goodwill payment may be welcome, but if the complaint seeks correction of a credit file or personal data, check whether that corrective action is separately addressed.

In practice

  • Use the final response as the starting document for an ombudsman submission.
  • Highlight omissions and contradictions without rewriting the entire complaint.
  • If the response introduces a new justification, preserve it and test it against the records.

Evidence worth keeping

Issue list
Chronology
Evidence index
Key correspondence
Final response/deadlock letter
Any decision and scheme rules/terms of reference

Do not let a final-response deadline expire while arguing about wording.

Useful wording.

“I do not accept the final response for the reasons below. I will preserve my external referral rights. Please confirm whether this letter is the organisation’s final/deadlock position and identify the applicable scheme and referral deadline.”

Audit the response against your numbered complaint.

CheckQuestion
ScopeDid it identify every complaint issue?
EvidenceDid it engage with the documents you relied on?
ReasonsDoes it explain why each material conclusion was reached?
RemedyDoes it state what will be done, by when and how any amount is calculated?
EscalationDoes it identify the correct external route and deadline?

Check whether it is genuinely final.

A letter can be titled “final response” yet leave issues undecided, or an organisation can say the complaint is closed without giving the referral information its rules require. Conversely, a clear deadlock position can make repeated internal chasers pointless. Ask the organisation whether this is its final position and what external route now applies.

A “final response” is important because it can open, and sometimes start the clock on: external escalation.

The exact effect depends on the sector. Financial services, legal services, telecoms, energy and public-service schemes use different wording and time limits. Save the response in full, including any page that states referral rights and deadlines.