[Your address and contact number]
[Reference: order number]
On [date], I [bought/placed an order for] a [item] and this was delivered to me on [date]. I have discovered that the [item] has the following damage: [add details].
The Consumer Rights Act makes it an implied term of the contract that goods I receive must be of satisfactory quality and for the reasons stated above they are not.
As you are in breach of contract I am entitled to [a refund/have the item repaired/ have the item replaced] and I would request that you confirm by [dd/mm/yy] [set a reasonable deadline appropriate to the specific situation] that you will do this.
I also require you to confirm whether you will arrange for the [item] to be collected or that you wish me to return this and that you will reimburse me for the cost of returning the [item] and arranging adequate insurance.
I look forward to hearing from you.