Footage posted on social media showed people returning home from a service at SPACNation church in Southwark erupting into what appeared to be spontaneous singing.
Dozens of people dancing at East Croydon railway station sang out "You are the most high. You are the most high God. Go Jesus, go Jesus, Go!"
After service last night, some of us broke out in Praise outside of East Croydon station!@BBCNews @standardnews @itvnews @LondonLive pic.twitter.com/SDtHI0ZhDY
— #WordAndPower (@SPACnation) 25 August 2017
Lining a tram platform, they continued: "Arise, arise, arise, take your place... King of Kings...We lift you up We lift you up we lift you up on our praise.
The clip - just under two minutes long - has been already received dozens of endorsements via the 'like' feature on Twitter. It has also been retweeted - or shared dozens of times.
SPACNation forms part of the SPACMinistries London movement led by senior pastor Tobi Adegboyega. It is based on Great Suffolk Street in Southwark.
East Croydon is a major interchange on the Brighton mainline, connecting passengers from towns and cities along the south coast to London and Milton Keynes.