Ofgem Complaint Escalation Letter Template & Generator
How to escalate unresolved energy complaint to Ombudsman Services: Energy — what it should include, your legal standing, and a free generator.
← All Letter Templates & Generators · Energy Bill Rights · Last updated 18 August 2026 · Written and reviewed by Matt Thompson, founder of UK Work Rights
This is free rights guidance, not legal advice. For advice specific to your situation, see our About page or contact Citizens Advice.
If you need to escalate unresolved energy complaint to Ombudsman Services: Energy, a written letter is the recommended first step — it creates a clear record and shows you're pursuing the matter formally. Below is what a strong ofgem complaint escalation should include, plus a free tool to generate yours.
What this letter needs to cover
- Summarise the complaint, the supplier's response (or lack of response after 8 weeks), and why it is not resolved
- Request the Ombudsman investigates
- Note that a deadlock letter or 8-week period has elapsed
- State the desired outcome clearly
When it's time to escalate to the Ombudsman
If your energy complaint hasn't been resolved after 8 weeks, or your supplier has issued a final response you're not satisfied with, you're entitled to escalate to the Energy Ombudsman (Ombudsman Services: Energy) for a free, independent review. This is often a genuinely effective route, since Ombudsman decisions can be binding on the supplier if they favour you.
What this letter or complaint needs to cover
- A clear timeline of your original complaint and the supplier's response, or lack of one
- Confirmation that either 8 weeks have passed or you've received a final response letter
- What outcome you were seeking from your supplier, and why you remain dissatisfied
- Copies of relevant correspondence to support your case
What the Ombudsman can actually do
The Ombudsman can order a supplier to apologise, take corrective action, or pay compensation — and if they rule in your favour, the supplier is bound to comply. This makes it a genuinely useful escalation route, not just a formality, provided your complaint is properly evidenced.
Frequently Asked Questions
Is there a cost to use the Energy Ombudsman?
No — the service is free for consumers to use.
How long does the Ombudsman take to reach a decision?
Timescales vary depending on complexity, but the process is generally faster and less formal than going to court.
Ready to write yours?
Answer a few questions and get a professionally drafted letter, ready to send — free, no account needed.
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