These tutorial covers the process I would use to model a simple house. This is created in 6 parts and then there are two additional tutorials in response to questions/requests.

Part 1 - Creating the base shape

Part 2 - The front porch and supports

Part 3 - Extruding the window box

Part 4 - Adding Windows and small details

Part 5 - Optimization

Part 6 - Textures, Basic UV Mapping

Adding an interior

Textures a simple UVW Unwrap