A dwelling, building or any structure hereafter erected in any district shall not be located on a lot having less than the minimum requirements.

A lot or parcel of land having an area or a frontage of lesser amounts than required in the following schedule may be considered as coming within the area and frontage requirements of this section, provided that, at the time of building, such lot has an area of more than 5,000 square feet, has a frontage of 50 feet or more and is in a district zoned for residential use, and provided further that such lot or parcel of land was shown on a parcel or described in a deed duly recorded or registered at the time of the adoption of this chapter and did not at the time of such adoption adjoin other land of the same owner available for use in connection with such lot or parcel.

All minimum yard dimensions required in the following schedule are to be measured from the relevant lot line.

The limitation of height of buildings and structures in the following schedule shall not apply in any district to chimneys, ventilators, towers, spires, or other ornamental features of buildings, which features are in no way used for living purposes.

All lots shall have a lot width such that the center of a circle having a minimum diameter of at least 80% of the required frontage of the lot can be passed along a continuous line from the lot line along which the frontage is measured to any and all points of the principal structure or proposed principal structure without the circumference intersecting any side lot line.

Within an area formed by the curblines of intersecting streets and a line joining points on such lines 30 feet distant from their point of intersection or, in case of a rounded corner, from the point of intersection of their tangents, no structure shall be erected and no foliage maintained between a height of three feet and a height of eight feet above the plane through their street grades.

Purpose. In order to maintain the character and streetscapes of Gardner's downtown and older neighborhoods, the Planning Board is authorized to allow increases or reductions in dimensional and parking requirements by special permit for infill developments.

Applicability. Infill developments must be located on a single lot which is bounded on a minimum of two sides with existing buildings. Only lots in the GR3, COM1 and SFR1 Districts shall be considered for infill development. Allowed uses are determined by those allowed in the Table of Uses included as an attachment to this chapter.

Special permit. All applications for infill development shall also be subject to site plan review. In addition to the criteria for special permits generally (§ 675-1170), the Planning Board shall consider the following: