When more than 75% of the street frontage between intersecting streets is developed, the minimum requirements for a one family dwelling shall equal to the average of all existing residential lots between intersecting streets on the same side of the street calculated to the nearest square feet or foot. The applicant must provide an accurate map and calculations to the Construction Code Official at the time of an application being submitted.

Notwithstanding the above provision, the minimum requirements must be equal to at least the following: