A 41-year-old man spent the night trapped at a Fortitude Valley construction site after he had fallen up to 10 metres between two buildings.

Emergency services were called to Brunswick Street about 10.30am on Thursday after the man was found by construction workers. He was not one of the work crew.

A Queensland Ambulance Services spokesman was amazed to find the man had minor injuries after he had fallen about 10 metres in a gap between two buildings. Credit:Queensland Ambulance Service

Queensland Ambulance Service clinical support officer metro south Tom Kelsey said the man was stuck in a gap between two buildings.

"The patient appears to have fallen potentially up to 10 metres and has been there for a considerable amount of time, we believe since last night," he said.