The idea that a house will more likely appreciate in value if its size, age, condition and style are similar to, or conform to, other houses in the neighborhood.
An appraisal principle which holds that the maximum value is realized when a reasonable degree of homogeneity (sameness) exists in a neighborhood.
With regard to appraisal, it is a principle which holds that the maximum value is realized when a reasonable degree of homogeneity (similarity) of improvements is present.