An expandable hinge
assembly for movably attaching an interior
shutter to a window frame includes: (a) a window frame mounting plate member including two substantially planar and perpendicular segments, a first one being attachable to an inside surface of the window frame, the other, second window frame segment including a frame plate depression; (b) a
shutter mounting plate member including two substantially planar and perpendicular segments, a first one being attachable to the
shutter, the other, second shutter plate segment including at least one shutter plate
knuckle on a longitudinal edge of the second shutter plate segment; and (c) a connecting member including two substantially planar and perpendicular segments, a first one including at least one
knuckle along a longitudinal edge of the first connecting plate segment; the other, second segment including at least one connecting plate tongue corresponding to the frame plate depression; wherein the knuckles are detachably interlockable with one another; and the connecting plate tongue is detachably insertable in the corresponding frame plate depression. A shutter
assembly including the expandable hinge assemblies and a shutter
stile side extension is also included.