[citation needed] The Breckland line, opened in 1845, passes just north of Roudham.

In 1869, when a branch was built northward to Swaffham, Roudham Junction railway station was opened about 2 miles (3 km) to the west.

About a mile east of the settlement, next to Harling Road station, is an area of light industry.

Among the businesses there is St George's Distillery, a producer of English single malt whisky.

The parish is centred round the ruinous remains of St Andrew's Church, abandoned in 1736 after a destructive fire.