It was enlarged in 1836–38 to designs by David Mocatta, England's first Jewish architect.

[3] The building's chaste, pilastered façade, symmetry, and central doorway are typical of the Regency style.

A faded inscription reading jews synagogue 5598 (1838) was faintly visible under the pediment in 2006.

Inside, the original ceiling lantern, a typical Regency feature, is still in place.

By 2007 it had been converted into apartments, with the façade sensitively restored and an historic plaque mentioning the architect.