It is the purpose of this article to provide an opportunity, in locations where adverse impacts do not result, for the creation of small apartments within the existing structure of owner-occupied single-family detached dwellings. It is the intent of the article to meet the special housing needs of small households, promote and encourage affordable housing and to allow for the efficient use of the Town's existing stock of single-family dwellings. It is also the intent of this article to increase compliance with building and fire codes, preserve neighborhood stability and reduce the impact of foreclosure and deferred property maintenance, thereby preserving property values and the health, safety and general welfare of the community.