It is sited on Rosslyn Hill at its junction with Pond Street, a steep slope adjacent to the Royal Free Hospital, and held up to 1,200 worshippers at its peak.
[1] Work began in January 1869, with the foundation stone being laid May that year and consecration by John Jackson the Bishop of London occurring on 31 December.
The performer and composer Marie Lloyd Jr. married here in 1907, while the Christian suffragist, writer and female pioneer Margaret Nevinson was buried here in 1932.
By the later 1960s concerns had been raised on structural grounds and, with maintenance costs rising and its congregation declining, it was closed for worship in 1977.
In 1999 a lease on the church was awarded to the St Stephen's Restoration and Preservation Trust, and after this body raised over £4 million from English Heritage, the Heritage Lottery Fund, local businesses and individual donors, it was restored to a usable condition in three phases.