To the north of the main building, the Parish House, an education wing with Tudor styling and leaded casement windows, was added in 1938.

The ceiling, which is supported by stone pillars recalling the trunks of trees, is the shape of an inverted boat, referencing Noah's ark and the sanctuary it provided.

In the Fuller Chapel in the north transept are found the two windows designed by Henry Wynd Young, considered to be an unusually gifted artisan at the time.

[3] The windows at the rear of the nave, designed by nationally renowned artist and Newtonville resident Charles Jay Connick, are also original to the building and have distinctive crosses at the top of each panel.

[4][5] In the post-WWII period, three other windows designed by Connick Associates were added, with themes of world peace, pastoral care, and prayer and communion.

In a more modern design in deep blues from the glass studio of William Willet, a window in the south transept recognizes the role of health care professionals.

The distinctive and elaborate original wood carvings crafted in red oak at the altar, choir stalls, pulpit and lectern were created by Johannes Kirchmayer.