It has been in continuous use since it was built in 1868, having been founded the previous year by prominent Unitarian John Bowring for a congregation which had met in hired premises since 1858.

John Bowring, a political economist, member of parliament, Governor of Hong Kong, polyglot, hymnwriter and one of "the most famous Unitarians of his time",[4] was the founder.

[5] A particular feature of this era was the opening of chapels in many seaside resorts such as Hastings, primarily to serve wealthy retirees.

William Hill & Son & Norman & Beard Ltd. restored the organ in 1995, and Matthew Copley made further repairs in 2010.

[10] The church has been described as a Neoclassical[11] or Classical[1] building with rendered brick walls, now painted.

[12] It is a "plain, small" chapel topped with a pediment and with a three-bay façade with tall arched windows and tapering pilasters.