A housewarming party is a party traditionally held soon after moving into a new residence. It is an occasion for the hosts to present their new home to their friends, post-moving, and for friends to give gifts to furnish the new home. House-warming parties are generally informal.
The English term "housewarming" is descended literally from the act of warming a new house, in the days before central heating. Each guest would bring firewood, and build fires in all the available fireplaces, offering firewood as a gift. Aside from warming the house, this was also believed to repel evil spirits by creating a protective atmosphere of warmth. Uninhabited houses were considered targets for vagrant spirits, and therefore used to require a certain level of cleansing before a house was safe to be occupied by young children.[1] The origin is from the medieval times.