International streaming services have wrongly assumed that Australian viewers want only “Americanesque” titles and have underestimated the cost of building up a sustainable local subscription base, the head of pay TV operator Foxtel says.

Patrick Delany also warns that there will probably be a shakeout of the more than one dozen paid streamers on offer locally as Foxtel prepares to launch a new TV operating system next year, which will bundle multiple streaming services into one interface.