Firefighters responded to reports of flooding caused by a burst water pipe on Ilderton Road, Bermondsey.
Crews evacuated around 27 people from the immediate area as a precaution and worked to support Thames Water as they responded to the burst pipe.
The Brigade was first called about the incident at 0413, and crews from New Cross, Deptford, Bethnal Green and surrounding fire stations were sent to the scene. Firefighters remained on scene until 0751, when the scene was left with Thames Water.