St. Christopher's church stood upon the site now occupied by the western wing of the principal front of the Bank. It was of considerable antiquity, as appears from Richard at Lane being collated thereunto in . It was in the patronage of the bishop of London, and was not totally destroyed by the fire of London, being repaired in the years and , under the direction of sir Christopher Wren ; the body was modernized, and contained large arched windows, with a clerestory. The tower was lofty, square in plan, with an octangular turret at each angle, which finished above the battlements in obelisks of the same form ending in vanes, being almost a counterpart of the steeple of St. Sepulchre's church.

The interior was not unlike many other churches erected by sir Christopher Wren, it was divided into a nave and aisles, the tower being situated within the walls, and occupying the west end of the south aisle. The body and aisles were divided by composite columns, sustaining an architrave. The ceilings were horizontal and pannelled; a monument now in the parish church of St. Margaret, , occupied the place of a window in the north aisle, and the pulpit and desks were grouped against of the columns, on the north side of the nave. The south aisle had a gallery extending the whole length of that portion which was clear of the tower. The altar screen of carved oak, was decorated with columns sustaining an entablature and pediment, surmounted by candlesticks on acroteria; the wall above was painted with a curtain drawn up to display the Hebrew name of the Deity, in a circle of carving in

In this church was buried Mr. John Kendrick, (citizen and draper of London), a native of Reading, who died in , and whose extensive bequests to that town, and to Newbury, to the draper's company, , , &c. amounted to upwards of And also William Varelst, a descendant of Simon Varelst the celebrated fruit and flower painter in the time of Charles II. On the north side of St. Christopher's church yard, was situated the principal penny post office, previous to its removal to .

Opposite the east entrance to the Bank, at the upper end of , (so called from sir William Capel, lord mayor in , who had a mansion or inn here) is the