on the house

1. At the expense of the establishment, as in This hotel serves an afternoon tea that's on the house. This idiom uses house in the sense of “an inn, tavern, or other building serving the public.” [Late 1800s]

Example Sentences

In between, Butler and a local charity worker worked on the house themselves.

From Los Angeles Times

Democrats on the House Oversight Committee say they include phone message logs, copies of flight logs and manifests for aircrafts, copies of financial ledgers and Epstein's daily schedule.

From BBC

Five Democrats on the House Oversight Committee called the deployment a “gross abuse of authority” and asked Homeland Security to explain what had occurred.

From Los Angeles Times

"This outpost they set up here is to push us out of our house. Every day a settler comes, bangs on the house, shouting 'leave, leave!'," he told me.

From BBC

"I believe this leaves the door open to foreign actors trying to spy on the House," he told the Times.

From BBC