A teenage boy has been charged with murder over the death of Brunswick artist Antonia Tatchell.

Homicide Squad detectives charged a 17-year-old on Monday.

Antonia Tatchell was found dead at a house in Brunswick, January 11.

Ms Tatchell, 43, was found dead in a bathtub inside a house in Albert Street, Brunswick just before 6am on January 11.

The painter and photographer attended school at Preshil, studied at the VCA and won the Clayton Utz Art Award in 2011.