Methodist minister Rosemary Fletcher will say farewell during morning service at Lambeth Mission & St Mary's which operates as a joint Methodist-Anglican church.
The minister, who is Superintendent of the Methodist North Lambeth Circuit, is to be Superintendent of the St Albans and Welwyn Garden City Circuit from September.
The farewell service will be followed by
a cake cutting and light refreshments.
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