St Cross is a 19th-century residential domestic building in Llandaff, Cardiff, Wales.

[1] The garden wall of St Cross is also a Grade II structure.

[2] The building was built between 1859 and 1861 by Ewan Christian, who was the architect for the Ecclesiastical Commissioners.

[1] Both semi-detached houses were built for minor canons of Llandaff Cathedral.

[3] It was built with multi-coloured stones, both square or rectangular in shape, and with Bath stone, ashlar dressings and Welsh slate roof.