[1] The building in its present state occupies the whole of Brook Street, after World War II bombing destroyed the houses in the further part of the road.

Displayed in the Chapel is the Tottenham Memorandum,[2] which was produced at the time of the division of the movement into open and exclusive factions – the Memorandum shows that Brook Street Chapel remained 'open', receiving any Christians into fellowship who were born-again believers in Jesus Christ, providing their confession of faith could be demonstrated.

Apart from the Howards, other notable members of the assembly included James Von Summer, founder of the Echoes of Service magazine and Edmund Gosse, who taught in the Sunday School.

Christians who taught or visited include John Nelson Darby, Anthony Norris Groves, George Müller, James Hudson Taylor, Thomas Barnardo, Philip Gosse (Edmund's father, and a noted naturalist) and his wife Emily Bowes, who were married at the chapel in 1848.

When it was no longer usable, the land was committed to the London County Council to be kept in perpetuity as an open, public space[citation needed] – it is now a children's playground and paved area.