Herald readers said Keith Hay Homes and Lockwood had pioneered prefabricated house-building.
Sean Murrie, Matrix Homes chief executive and director, estimated the factory could make up to 500 houses annually.
For $89,000, customers would get a 51sq m, one-bedroom house, Murrie said. A 70sq m two-bedroom house could be produced for $99,000 and a 140sq m four-bedroom, two-bathroom place for $195,000.
Transport costs were $10,000 in Wellington and $20,000 in Auckland.
Matrix places come in a single-bedroom and a two-bedroom module and have a simple mono-pitch roof with a big square wall at one end.
Both modules exist as standalone homes, or can be combined in a host of different configurations.
Both modules can fit on a truck or on the Cook Strait Ferry.