A.
Existing lots. Nothing shall prohibit the use of a lot of less than the prescribed area or width when such lot is owned individually or separate from any adjoining tract or when such lot was part of a subdivision plan that received preliminary approval of the Planning Board of the Town of Thompson prior to the time of enactment of this Part 1, provided that all other regulations of this Part 1 are met.
B.
Height regulations. The height limitations of these regulations shall be waived for barns and silos, private home antennas and for the following, provided that such areas do not exceed 10% of the total roof area of which they are a part: flagpole, spire, belfry, chimney, transmission tower, skylight and elevator or stair bulkhead.
C.
Lot depth. The required lot depth at any point may be decreased by 25% if the average lot depth conforms to the minimum required.
D.
Yard requirements.
(2)
If two or more existing dwellings are located within 200 feet on each side of a proposed dwelling and on the same side of the street within the same block and district, said proposed dwelling need not have a front yard greater than the average setback of all existing dwellings so located.