Identify the contract and the responsible trader
Record the retailer or trader's legal and trading name, order number, purchase date, price, payment method, product description and any installation or delivery service. Keep the receipt, invoice, online order page, terms, warranty and finance or card records. The contractual claim is generally directed to the trader, even where a manufacturer also offers a warranty.
If the goods were bought through a marketplace, determine who the contracting seller was and what role the platform played. Do not assume that the platform, manufacturer and seller have identical responsibilities.
Describe the defect accurately
Explain what the product was expected to do, what happened, when the problem first appeared and whether it is intermittent. Preserve photographs, video, error messages, engineer reports and communications. Do not dismantle or alter the product in a way that may destroy evidence unless safety or an agreed inspection requires it.
Separate a defect from accidental damage, misuse, ordinary wear or a change of mind. If the cause is uncertain, state the observed symptoms and request inspection rather than presenting an unsupported technical diagnosis.
Choose the remedy from the timing and facts
Check whether the short-term right to reject may apply and calculate the relevant period from the contract and delivery circumstances. Where repair or replacement is the appropriate stage, state which remedy is requested and why it is workable. Later rights may involve a price reduction or final right to reject depending on the statutory conditions.
The complaint should not combine inconsistent remedies without explanation. State the primary remedy and, where useful, the alternative sought if the trader cannot provide it within the required framework.
Account for installation, digital elements and connected services
Some goods include installation, software or digital content. Identify whether the fault lies in the item, installation, update, account or connected service and preserve the relevant records. The applicable analysis may require more than a standard returns policy.
Where safety is involved, stop using the item where appropriate and record the risk. Keep recall notices or official safety information, but do not exaggerate a routine performance problem into a safety allegation without evidence.
Write a measurable complaint
State the contract facts, defect chronology, evidence, remedy and a reasonable response request. Identify how the goods can be inspected, collected or returned and ask the trader to confirm the next step in writing. Avoid a long history of unrelated service complaints that hides the legal and factual core.
If payment was made by credit card, debit card or finance, preserve the transaction records and investigate any separate statutory or payment-provider route without claiming that it automatically replaces the retailer complaint.
Escalation and final verification
Keep the final complaint and delivery proof. Record every response, inspection, repair, replacement and refund promise. Check any applicable alternative dispute resolution, ombudsman, card or court route from current official information before escalating.
Verify the product model, serial number, dates, price, requested remedy and return arrangements. Ensure that the complaint describes what can actually be proved and that attached media are clearly labelled.
Frequently asked questions
Must I contact the manufacturer first?
A manufacturer warranty may help, but the statutory contract claim is generally against the trader that sold the goods. Check the actual contract and route.
Can I always demand an immediate refund?
No. The available remedy and sequence depend on timing, the statutory conditions and what has already happened, including repair or replacement.
What if the retailer says the fault is misuse?
Ask for the factual basis, preserve the goods and evidence, and obtain an appropriate independent assessment where proportionate rather than relying on assertion alone.
Prepare before acting
- Keep the receipt, order confirmation, terms and payment record.
- Record the product model, serial number, delivery and installation dates.
- Photograph or film the defect and preserve error messages.
- Calculate the remedy position from the actual timing and contract.
- Direct the complaint to the correct contracting trader.
- State one clear primary remedy and any justified alternative.
- Keep inspection, repair, replacement and return records.
- Preserve the complaint, attachments and proof of delivery.
Legal and procedural foundation
- Consumer Rights Act 2015
- GOV.UK — accepting returns and giving refunds
- CMA — consumer protection law guidance
Forms, deadlines, fees, filing and service requirements must be checked against the current official material and the circumstances of the particular matter.
Verify the current position
Links lead to the material used to structure this publication.