A person slipped over in the shop but said they were unhurt. Much later they told us they had gone the next day to their GP who then referred them to hospital

A person slipped over in the shop but said they were unhurt. Much later they told us they had gone the next day to their GP who then referred them to hospital.

No. The injured person must be taken from where the accident happened, by whatever means, to a hospital for treatment. It must be a hospital a GP or a drop-in clinic is not included under RIDDOR. They were not taken to the hospital from the site and so there is no duty to report.