The parish contains the village of Ilam and the surrounding area.
Many of the houses, cottages and the school in the village are listed.
Near to the village is Ilam Hall, a former country house, which is listed together with associated structures.
To the north of the village is Castern Hall, another country house, which is listed together with associated structures.
The other listed buildings include farmhouses and farm buildings, bridges, and a memorial in the form of an Eleanor Cross.