In addition to the required showing by the applicant, the Commission shall take into consideration the following factors in making its determination as to whether or not there are practical difficulties or hardships involved:
(A) That there are particular physical circumstances due to the shape or condition of the property which result in a hardship under the existing regulations, as distinguished from a mere inconvenience.
(B) That the purpose of the modification is not based exclusively on the financial advantage to the owner.
(C) That the alleged difficulties were not created by any person presently having an interest in the property.
(D) That the conditions involved are not generally applicable to most of the surrounding properties.
(E) That the requested modification would not diminish property values in the neighborhood.
(F) That the proposed modification will not increase congestion or endanger the public safety.
('64 Code, § 71.05)