[Service provider’s address]
Dear [Service provider’s name]
Re: the Wedding of [you and your partner’s names] on [date of wedding]
We hired you as our wedding [add service they provided] on [date you hired them].
We paid you [£xxx] for this service.
Under the Consumer Rights Act 2015, you are obliged to take reasonable skill and care in the provision of a service.
We believe you did not do this because [reasons for complaint].
We therefore find you in breach of contract and are requesting a [full / partial] refund of [£xxx] in the next seven days.
[We are also requesting compensation of £xxx because [reason for compensation claim] ]
Failure to comply with this will lead to further action being taken.