Initially, Christians in Hampstead Garden Suburb congregated together but it was decided in 1909 to organise the Church of England and Free Church meetings separately. The Free Church first met, before the existence of the building, in 1909 and was officially founded in 1910.
Construction of the Free Church was begun on January 16, 1911 and it opened for worship on October 25 that year, though its west end was not completed until the 1960s. It was designed by Sir Edwin Lutyens, who was the consultant architect for the Central Square of Hampstead Garden Suburb from 1906 and had influence on the design of the whole square, including both churches. It is now a Grade I listed building.