19 High Street is a small mid-19th-century residential domestic building in Llandaff, Cardiff, Wales.

The building is a two-storey Grade II listed structure and it was listed because it is "Included for its group value with the other listed buildings around The Cathedral Green and on the High Street".

[1] The house is built of roughly coursed multi-coloured Radyr stone with some cut stones.

Other buildings in High Street include St Andrew, St Cross, 2-4 High Street and 6 High Street that are also Grade II listed.

This Cardiff location article is a stub.