Church Elm Lane has been cordoned off today (August 4) at 2.31pm after reports of a child falling from a height.
Medics arrived within five minutes and the boy was taken to hospital for treatment.
His injuries have been deemed as not-life-threatening.
A Lonon Air Ambulance landed at Old Dagenham Park following the fall.
Church Elm Lane was shut off from the Tasty kebab shop to Church Elm Lane Health Centre.
A Metropolitan Police spokesperson said: “Police were called at 14:32hrs on Monday, 4 August to reports of a child who had fallen from height in Church Elm Lane, Dagenham
“Officers, the London Ambulance Service and the London Air Ambulance attended. A five-year-old boy was taken to hospital for treatment.
“His injuries are not life threatening. There have been no arrests.”