Consumer Complaints UK: How to Complain & Get Results

Overview

A consumer complaint is a formal expression of dissatisfaction you raise with a trader, retailer, or service provider when goods or services fall short of what you were entitled to expect. In England and Wales, most consumer rights come from the Consumer Rights Act 2015, which sets out that goods must be of satisfactory quality, fit for purpose, and match their description, while services must be performed with reasonable care and skill.

Where a trader falls short, you may be entitled to a repair, replacement, refund, or price reduction depending on the circumstances and how long you've owned the item. A complaint isn't just a letter of frustration. It's the first rung on a ladder that can lead to ombudsman intervention, trading standards involvement, or court action.

Getting the first step right, putting your concerns in writing, referencing your rights, and keeping a paper trail, tends to make everything that follows much easier.

Key steps

1. Pull together your evidence. Before you contact anyone, gather everything that supports your position. That means receipts, order confirmations, contracts or terms and conditions, photos or videos of any defect, and any emails or messages you've already exchanged with the trader. If someone else witnessed the problem or was present at the point of sale, note down what they can confirm. Strong evidence is what separates a complaint that gets taken seriously from one that gets brushed off.
2. Raise the complaint directly with the trader. Most disputes are best resolved at source, and traders generally prefer to fix problems rather than let them escalate. Put your complaint in writing, ideally by email so you have a dated record, explain clearly what went wrong, what you want them to do about it, and reference the Consumer Rights Act 2015 where relevant. Give them a reasonable deadline to respond, typically 14 days, and keep notes of any phone calls including dates, times and who you spoke to.
3. Escalate internally if the first response disappoints. Larger companies have complaints procedures with formal escalation routes. If the frontline response is unhelpful, ask for the complaint to be passed to a supervisor, complaints manager, or the head of customer services. Request a copy of the company's complaints procedure if you haven't been given one. Many regulated sectors require traders to issue a final response or deadlock letter, which you'll need before you can take things further.
4. Use alternative dispute resolution or an ombudsman. If direct contact stalls, you can often refer the dispute to an independent scheme. Ombudsman services cover sectors like financial services, energy, telecoms, and property, and their decisions can be binding on the trader if you accept them. Other ADR providers handle retail and general consumer disputes. Check which scheme covers the trader, sometimes it's mandatory, sometimes voluntary, and submit your case with all the evidence you've gathered so far.
5. Consider court action as a last resort. If ADR isn't available or hasn't produced a fair outcome, you can bring a claim through the small claims track for lower-value disputes. Before issuing proceedings, send a letter before claim giving the trader a final opportunity to settle. Court involves fees, time, and the risk of losing, so it's worth weighing up carefully, but for clear-cut cases with solid evidence it can be an effective route to recover what you're owed.