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chattel house

n. (context Barbados English) A small moveable wooden house occupied by working-class people.

Wikipedia
Chattel house

It has been customary for people in Barbados to build additions onto their chattel houses. As such, the house may look as though different sections are at slightly different heights or in a different pattern due to each part being constructed at different stages.

Modern chattel houses tend to have a greater degree of permanence, as they are often connected to the electricity mains, and may either have a permanent septic tank or be connected to a public sewer system.