The Gloucester-based counselling charity Listening Post is due to move into its new home in the city.
After 15 years in the YMCA building in Sebert Street the charity will move to its new headquarters in Spa Road.
The Bishop of Tewkesbury, the Right Reverend John Went, will perform a door opening ceremony at the new premises.
The charity caters for adults with problems including depression and bereavement, phobias, relationship problems and post traumatic stress.
For the first time Listening Post is expanding its service through the development of stress and depression management groups.
The Christian counselling charity also has centres in Cheltenham, Stroud and Tewkesbury.