Homes constructed in the City of Kiel shall contain a minimum ground floor square feet of living space, exclusive of garages, breezeways, open porches or covered patios, as follows:

(1)

For a 1-story dwelling, 1200 square feet;

(2)

For a split-level dwelling, 1000 square feet on the ground floor;

(3)

For a 2-story and 1 1/2-story dwelling, 900 square feet on the first floor and 600 square feet on the second floor.

(4)

With respect to a two-family residence, or duplex, there shall be a minimum of 900 square feet per dwelling unit. With respect to multi-family housing, there shall be a minimum of 700 square foot per dwelling unit. The 700 square foot per dwelling multi-family dwelling unit shall apply for any multiple-family residence or residence converted to multiple-family use, exclusive of basements, cellars and unfinished attics.