No new dwelling shall be erected in a housing development consisting of two or more houses if it shall appear from the plans submitted that said house is substantially alike in exterior design and appearance (as provided by the standards established in Subsection 135.2 below) with any adjacent dwellings situated on the same or opposite sides of the street within 300 feet of the proposed dwelling or within said distance from a proposed dwelling for which a building permit has been issued or is pending. The distance herein specified shall be construed to mean the distance between the street property lines of the respective properties.