64-332 - Height and setback regulations for cottage envelope buildings LAST AMENDED 12/5/2024 R1 R2 R3 R4 R5 In the districts indicated, all #cottage envelope buildings# shall be subject to the height and setback provisions set forth in Section 23-421 (Basic pitched-roof envelopes for certain districts), except that, for the purposes of this Section, attic space providing structural headroom of less than eight feet shall not be considered a #story#.