Profiled element for doors/windows made of plastic material, in particular PVC, comprising: - at least one main portion made of plastic material extending along a longitudinal direction and defining a holding surface for a central panel of a door/window, said main portion being adapted to form a perimeter frame of said door/window; - at least one retaining portion which extends parallel to said longitudinal direction, defines an abutment surface of said central panel and is adapted to fasten said central panel to said perimeter frame; and - non-removable connection means which connect said main portion to said retaining portion, extend along at least one longitudinal axis parallel to said longitudinal direction and are adapted to allow the movement of said retaining portion with respect to said main portion between a raised configuration, wherein said retaining portion frees superiorly said holding surface for the positioning of said central panel, and a retaining configuration, wherein said retaining portion faces said holding surface; said main portion is provided with at least one main face and said retaining portion is provided with at least one secondary face, wherein, in said raised configuration, said faces (2b, 6b) are close to each other; characterized by the fact that said connection means comprises at least one of: - a connecting strap foldable between said retaining configuration and said raised configuration, wherein said connecting strap is foldable at several points and defines a plurality of longitudinal axes around each of which said retaining portion may rotate to position itself between said retaining configuration and said raised configuration and gives multiple degrees of freedom to said retaining portion; - at least one flexible foil coating element applied to said secondary face and said main face, wherein said coating element is foldable at several points and defines a plurality of longitudinal axes and gives multiple degrees of freedom to said retaining portion. - at least one main portion made of plastic material extending along a longitudinal direction and defining a holding surface for a central panel of a door/window, said main portion being adapted to form a perimeter frame of said door/window; - at least one retaining portion which extends parallel to said longitudinal direction, defines an abutment surface of said central panel and is adapted to fasten said central panel to said perimeter frame; and - non-removable connection means which connect said main portion to said retaining portion, extend along at least one longitudinal axis parallel to said longitudinal direction and are adapted to allow the movement of said retaining portion with respect to said main portion between a raised configuration, wherein said retaining portion frees superiorly said holding surface for the positioning of said central panel, and a retaining configuration, wherein said retaining portion faces said holding surface; said main portion is provided with at least one main face and said retaining portion is provided with at least one secondary face, wherein, in said raised configuration, said faces (2b, 6b) are close to each other; characterized by the fact that said connection means comprises at least one of: - a connecting strap foldable between said retaining configuration and said raised configuration, wherein said connecting strap is foldable at several points and defines a plurality of longitudinal axes around each of which said retaining portion may rotate to position itself between said retaining configuration and said raised configuration and gives multiple degrees of freedom to said retaining portion; - at least one flexible foil coating element applied to said secondary face and said main face, wherein said coating element is foldable at several points and defines a plurality of longitudinal axes and gives multiple degrees of freedom to said retaining portion. - a connecting strap foldable between said retaining configuration and said raised configuration, wherein said connecting strap is foldable at several points and defines a plurality of longitudinal axes around each of which said retaining portion may rotate to position itself between said retaining configuration and said raised configuration and gives multiple degrees of freedom to said retaining portion; - at least one flexible foil coating element applied to said secondary face and said main face, wherein said coating element is foldable at several points and defines a plurality of longitudinal axes and gives multiple degrees of freedom to said retaining portion.