How to Write a Missing Delivery Complaint Letter
Published 24 March 2026
You were told your parcel had been delivered. It has not turned up, the tracking is vague, and customer support keeps pointing you elsewhere. That is usually the point where a missing delivery complaint letter becomes more effective than another chat message or call centre promise.
A formal letter does two things at once. It sets out the facts clearly, and it shows you expect a proper response. For retailers, couriers and service providers, a posted complaint often carries more weight than a short online form, especially when you are asking for a refund, replacement or written explanation.
When a missing delivery complaint letter makes sense
Not every missing parcel needs a formal complaint on day one. If the item is simply delayed by a day or two, checking the tracking page, safe place details and delivery photo may resolve it. It also makes sense to ask neighbours and household members before escalating.
But there is a point where waiting stops being reasonable. If the seller says the order was delivered and you have not received it, if the courier cannot confirm where it was left, or if support keeps pushing responsibility between retailer and delivery firm, a letter is the right next step.
That is especially true where the order was expensive, time-sensitive, or clearly intended for your own address rather than a business collection point. A written complaint creates a record. If the matter gets worse, that record matters.
Who you should complain to first
In most consumer purchases, your contract is with the retailer, not the courier. That matters because many businesses try to redirect customers to the delivery company when a parcel goes missing.
Usually, the seller remains responsible for ensuring the goods reach you. If you did not nominate a safe place or arrange delivery to a specific third party, the retailer cannot simply end the discussion by saying the courier marked it as delivered. From your side, the missing item is still the seller's problem to resolve.
There are exceptions. If you arranged your own courier separately, or if the parcel contains something covered by a different service agreement, responsibility can be less straightforward. But for ordinary online shopping, start with the retailer unless there is a clear reason not to.
What to include in your missing delivery complaint letter
The best letters are firm, factual and easy to follow. Long emotional accounts tend to weaken the point. You want the company to understand exactly what happened, what you have already done, and what you want next.
Include your full name and address, the order number, the date of purchase, the stated delivery date, and the value of the goods. Then explain that the item has not been received, even though it may have been marked as delivered.
It helps to mention the checks you have already carried out. For example, you checked with neighbours, reviewed tracking information, looked for delivery photos, and confirmed there was no safe place delivery authorised. That shows you are being reasonable and not making a casual claim.
Then state your remedy clearly. In most cases that will be either a replacement or a full refund. If you are willing to accept only one of those, say so plainly. Also give a reasonable deadline for response, such as 14 days.
A simple template you can adapt
Below is a practical version you can tailor to your situation.
Missing delivery complaint letter template
[Your name] [Your address] [Postcode] [Date]
Customer Services [Retailer name] [Retailer address if known]
Dear Sir or Madam,
Re: Missing delivery for order [order number]
I am writing to make a formal complaint regarding the above order, placed on [date] for [item description], valued at £[amount]. The order was due for delivery on [date] and has been marked as delivered, but I have not received it.
I have checked around my property, with neighbours, and with other members of my household. I have also reviewed the tracking information provided. Despite these checks, the parcel has not been located.
As the goods have not been delivered to me, I ask that you resolve this matter by providing either a full refund or a replacement within 14 days of the date of this letter.
Please confirm in writing what action you will take. If I do not receive a satisfactory response within that time, I will consider taking the matter further.
Yours faithfully,
[Your name]
That wording is deliberately straightforward. You do not need legal jargon to make a valid complaint. The main job of the letter is to remove ambiguity.
Referencing your UK consumer rights
If a retailer is being difficult, it can help to mention your rights more directly. Under the Consumer Rights Act 2015, goods must be delivered as agreed. If they have not reached you, that is not the same as a successful delivery simply because a tracking system says otherwise.
You do not need to overstate the law. A short line is enough, such as: "Under the Consumer Rights Act 2015, the goods remain the retailer's responsibility until they are delivered to me." That is usually stronger than paragraphs copied from the internet.
The trade-off is tone. If the issue looks like a genuine delivery error and the company is otherwise responsive, a plain request for refund or replacement may work faster than leading with legislation. If they are denying responsibility, legal framing becomes more useful.
Common mistakes that weaken a complaint
A missing delivery complaint letter works best when it is specific. The biggest mistake is sending a vague note that says only the parcel never arrived. Companies need enough detail to trace the order and decide what to do.
Another common problem is aiming the complaint at the wrong party. If the retailer sold the goods to you, start there. Chasing the courier alone can waste days while the seller avoids taking ownership.
It is also worth avoiding threats you are unlikely to act on. Saying you will "take legal action immediately" can sound hollow if you have not even given the company a fair chance to respond. A firm deadline and a calm escalation path is usually more effective.
Sending the letter properly
If you are sending a formal complaint, presentation matters. A clearly formatted printed letter is easier to take seriously than a scrappy screenshot or a rushed message typed into a web form.
Tracked post is often a sensible choice where the item is valuable or the dispute may escalate. It gives you evidence that the complaint was sent and, depending on the service used, delivered. That can be useful later if you need to show you gave the business a reasonable opportunity to put things right.
If you want to send a physical complaint without printing at home or visiting a Post Office, services such as PostRight let you write, upload or use a template and have the letter printed and posted for you. That can save time when you want the formality of post without the usual hassle.
What happens if the retailer still refuses to help
If the business ignores your letter or rejects the complaint without proper evidence, the next step depends on how you paid and who the seller is. A card provider may help if there is a valid basis for a chargeback or Section 75 claim, although that depends on the purchase value and payment method.
If the trader is part of an ombudsman or alternative dispute process, that route may also be available. In some cases, a stronger follow-up letter is appropriate, particularly if you are moving towards a letter before action. The key is sequence: complain clearly, give a deadline, keep records, then escalate.
Do not let endless customer service loops drain your time. Once you have set out the facts in writing, the company has a proper chance to resolve the matter. If it does not, you are in a much stronger position than if you had relied on informal messages alone.
A good letter will not make every retailer cooperative overnight. What it does do is move the issue from frustration to record, and from record to action. When a parcel is missing, that shift is often what finally gets a result.