Know your rights when things go wrong and how to escalate effectively
Knowing the right complaint route is half the battle. This hub explains how to escalate disputes with banks, insurers, energy and water suppliers, telecoms providers, the NHS, councils, government departments, regulated professionals, transport operators, and retailers. For each sector we point to the right ombudsman, regulator, or alternative dispute resolution scheme; explain the 8-week / deadlock-letter rule; and walk through the evidence and timeline you need. We also cover how to escalate via your MP, judicial review basics, and how to write a formal complaint letter.
45 guides in this section
Popular guides
View all 45How to Write an Effective Complaint
Structure your complaint clearly, set out what you want, and keep the paper trail that wins cases.
Financial Ombudsman Service
Complain about banks, insurers, lenders, and financial advisers after internal processes fail.
Energy Ombudsman
Escalate unresolved disputes with gas or electricity suppliers and network operators.
NHS Complaints: Which Route
Complaint, negligence claim, regulator, CQC, or inquest — what each delivers, the deadlines, and how to sequence them.
Parliamentary & Health Service Ombudsman
The final escalation route for complaints about the NHS and UK government bodies.
Local Council Complaints
How to complain about a council decision and when to involve the Local Government Ombudsman.
Step-by-step guides
Follow a guided process from start to finish for common situations.
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Prepare with a checklist
All guides in this section
How to Write an Effective Complaint
Structure your complaint clearly, set out what you want, and keep the paper trail that wins cases.
Financial Ombudsman Service
Complain about banks, insurers, lenders, and financial advisers after internal processes fail.
Energy Ombudsman
Escalate unresolved disputes with gas or electricity suppliers and network operators.
NHS Complaints: Which Route
Complaint, negligence claim, regulator, CQC, or inquest — what each delivers, the deadlines, and how to sequence them.
Parliamentary & Health Service Ombudsman
The final escalation route for complaints about the NHS and UK government bodies.
Local Council Complaints
How to complain about a council decision and when to involve the Local Government Ombudsman.
Telecoms & Broadband Complaints
Complaining about broadband, mobile, or landline services and reaching Ombudsman Services or CISAS.
Building Your Complaint Evidence
Learn what evidence to gather and how to organise it when making a formal complaint in the UK.
What Is a Deadlock Letter
A deadlock letter confirms a company cannot resolve your complaint.
When and How to Escalate a Complaint
Find out when you can escalate a complaint to an ombudsman or regulator in the UK and what steps to follow.
How to Write a Complaint Letter
Step-by-step guidance on writing an effective complaint letter in the UK, with structure and key phrases.
Complaint Response Timelines in the UK
Understand how long companies and public bodies have to respond to complaints in the UK.
Insurance Complaints
How to complain about an insurer and escalate to the Financial Ombudsman Service if unresolved.
Travel Complaints
Your rights when flights are delayed, holidays go wrong, or travel companies fail to deliver.
Education Complaints: Which Route
Identifying the right body — school, college, university, or council — plus academic appeals, the ESFA, and judicial review.
Retail & Online Shopping Complaints
Your rights when goods are faulty, late, or not as described and how to get a refund or replacement.
Water Company Complaints
How to complain about your water or sewerage supplier and involve the Consumer Council for Water.
Pension Complaints
How to complain about a pension provider or scheme and refer to the Pensions Ombudsman.
Social Media Complaints
How to report harmful content, account problems, or breaches of platform rules to social media companies.
Transport Complaints
Complaining about trains, buses, or taxis and reaching the relevant transport ombudsman or regulator.
Postal Complaints
How to complain about lost, damaged, or delayed post and Ofcom's role in postal regulation.
Complaining to Your MP
When and how to contact your Member of Parliament to escalate a complaint about a public body.
Judicial Review Basics
How judicial review allows courts to scrutinise unlawful decisions by public bodies and when to consider it.
Alternative Dispute Resolution (ADR)
Mediation, arbitration, and other ADR methods as alternatives to court proceedings.
Consumer Rights & Returns
Your statutory rights to return goods and claim refunds under the Consumer Rights Act 2015.
Faulty Goods Complaints
How to claim a repair, replacement, or refund for goods that are faulty, unsafe, or misdescribed.
Service Complaints
Your rights when a service is done poorly or not completed and how to seek redress from a trader.
Billing Disputes
How to challenge an incorrect bill from a utility, telecoms provider, or other service company.
Data Breach Compensation and ICO Complaints
Getting the ICO to act, the evidence a compensation claim needs, group actions, and what awards are realistically worth.
Professional Complaints
Complaining about regulated professionals such as doctors, architects, or accountants.
Healthcare Complaints
How to raise concerns about private or NHS healthcare and the role of the Care Quality Commission.
Estate Agent Complaints
How to complain about an estate agent and escalate to a redress scheme such as The Property Ombudsman.
Builder & Contractor Complaints
Steps to take when building work is substandard and how to pursue a dispute with a contractor.
School Complaints
The formal complaints process for state schools, academies, and how to escalate unresolved issues.
Police Complaints
How to make a complaint about police conduct and the role of the Independent Office for Police Conduct.
Court Service Complaints
How to complain about the administration of a court or tribunal and HMCTS complaints process.
Legal Services Complaints
How to complain about solicitors, barristers, and legal services.
HMRC Complaints
How to complain to HMRC about tax errors and penalties.
Car and Motor Complaints
Complaints about car dealers, garages, and the Motor Ombudsman.
Home Office Complaints
How to complain about immigration decisions and UKVI service.
LGSCO: Local Government & Social Care Ombudsman
Detailed process for complaining about councils and social care providers — eligibility, time limits, remedies, and decisions database.
Housing Ombudsman (post-Awaab)
Enhanced enforcement powers after the death of Awaab Ishak — Awaab's Law deadlines, severe maladministration findings, and Complaint Handling Failure Orders.
ICO Complaints Process
How to complain to the Information Commissioner about data breaches, failed SARs, marketing breaches — plus the Article 82 compensation route.
Judicial Review: Process and Costs
3-month deadline, permission stage, grounds (illegality, irrationality, procedural unfairness), costs, and the remedies the High Court can order.
The Independent Case Examiner (ICE): DWP and Child Maintenance Escalation
How the Independent Case Examiner (ICE) handles complaints about the DWP and Child Maintenance Service — the process, time limits, and possible.
Frequently asked questions
Do I have to use a complaints management company?
How long do I have to complain?
What is a "deadlock letter" and why do I need one?
Can I complain on behalf of someone else?
Will complaining affect my relationship with the company?
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