The Waterloo-based national charity's carol service is at its parish church St John's.
An evening of readings and carols with the Oasis Academy South Bank choir.
Revd Lucy Winkett will give the address.
For the latest local news and events direct to your inbox every Monday, you need our weekly email newsletter SE1 Direct.
7,000+ locals read it every week. Can you afford to miss out?
Read the latest issue before signing up