The Library is open for reference use. It contains a comprehensive collection of printed books and manuscripts on every facet of Freemasonry in England as well as material on Freemasonry elsewhere in the world and on subjects associated with Freemasonry or with mystical and esoteric traditions. The collections include Masonic music, poetry and literature. There are a number of notable examples of fine eighteenth and nineteenth century bindings.

The Museum contains an extensive collection of objects with Masonic decoration including pottery and porcelain, glassware, silver, furniture and clocks, jewels and regalia. Items belonging to famous and Royal Freemasons including Winston Churchill and Edward VII are on display together with examples from the Museum’s extensive collection of prints and engravings, photographs and ephemera.

The Library and Museum is the repository for the Archives of the United Grand Lodge of England and the Supreme Grand Chapter of England, their predecessor bodies, buildings and sites associated with Freemasonry, charitable bodies associated with Freemasonry, some individual Freemasons and some lodge and chapter records. Archive material is available for consultation (subject to conservation requirements).