Cattybrook Brickpit is a 2.2-hectare (5.4-acre) geological Site of Special Scientific Interest near the village of Almondsbury, South Gloucestershire, notified in 1989.

[2][3] The brickworks are located immediately to the North of the Bristol and South Wales Union Railway, then under construction through the Severn Tunnel.

[4] After completion of the tunnel, these brickworks and their masons were unemployed, leading to an over-supply of cheap bricks in the area and the first speculative housing developments in the new railway villages such as Rogiet and Pilning.

Notable buildings and structures built using Cattybrook bricks include

This article about a Site of Special Scientific Interest in England is a stub.