It is a great red-brick house - that is, the front is of brick, with corbie steps on the gables and a text over the door; but the courtyard into which the omnibus drives is of black and white 'cage-work' in wood and plaster.
a series of step-like projections at the top of a gable
Heceleme
a se-ries of step-like projections at the top of a Ga-ble