The church is over 100 years old and was also home church to the famous Dr Hadwen.
There will be refreshments available and a power point presentation about the history of the church.
The church, situated at 146 Southgate Street, will be open from 10.00am to mid-day on Thursday and Friday and 10.00am to 4.00pm on Saturday. There is also a service on Sunday from 10.30 to mid-day.
This event is one of many making up Gloucester History Festival and Heritage Open Days.