(2) Where, by reason of an extraordinary and exceptional condition or situation unique
to the property involved, the strict application of any ordinance or regulation adopted
under this chapter would result in peculiar and exceptional difficulties to, or exceptional
and undue hardship upon, the person to whom an order has been issued, the housing
board of review may vary from the strict application to the least extent necessary
to relieve the difficulties, or hardship if the relief may be granted without substantial
detriment to public health, safety, morals, and general welfare and without substantial
impairment of the intent and purpose of the ordinance or regulation;