TemplatesComplaint prepEvidence-led

Energy Bill Complaint Letter Templates

Do not send a vague complaint. Pick the exact issue, attach the right evidence and ask for a specific correction.

Reviewed: 2026-05-08Focus: UK household energy billsType: Information, not legal advice

Wrong reading template Back billing template

Choose the template

Wrong meter reading

Ask for corrected rebill using reading, photo and serial evidence.

Open template

Back billing

Ask the supplier to identify old charges and explain rule exceptions.

Open template

Direct debit increase

Ask for forecast, balance, buffer and review-period breakdown.

Open template

Ombudsman remedy follow-up

Use after an accepted remedy has not been completed.

Open wording

Deadlock request

Ask the supplier whether it has reached final position.

Open wording

General dispute

Use only when no specific template fits.

Dispute guide

Templates work best when the evidence is attached. A copy-ready letter without bill PDFs, readings and dates is still weak.

Frequently asked questions

Should I use a template or write my own?

Use a template as a structure, then edit it to match your exact evidence and remedy.

What should every complaint include?

Account number, bill date, issue, evidence list, requested remedy and deadline for response.

Can I send one letter for multiple problems?

Only if they are closely related. Otherwise, split issues so the supplier can respond clearly.

Official sources used for this page

BillDecoded translates official process and billing information into practical checks. It is not affiliated with the Ombudsman, Ofgem, Citizens Advice, Which? or any supplier.