A laundry dryer comprising: - a casing; - a laundry treating compartment, mounted within said casing, in which laundry to be treated can be loaded; - a drying system comprising an air conduit, passing through and comprising said laundry treating compartment, an air moving device, generating, when operated, an air flow which passes through said air conduit, an air heating device, positioned at least partially within said air conduit so as to heat said air flow before it passes through said laundry treating compartment; - a steam generator comprising a main liquid reservoir, in which a liquid can be loaded, and a liquid heating device operable for generating heat to heat a liquid contained in and/or coming from said main liquid reservoir, so as to produce steam that is delivered to said laundry treating compartment via a steam delivery conduit fluidly connecting said steam generator to said laundry treating compartment; - a liquid loading unit comprising a liquid receiving element, having an outlet opening, fluidly connected or connectable to said main liquid reservoir, and a filter, provided upstream to or at said outlet opening, so as to filter a liquid flowing out of said liquid receiving element via said outlet opening, wherein said liquid loading unit comprises a lid, movable with respect to said liquid receiving element between a closed position, in which said lid at least partially overlaps said filter, preventing a user from reaching the latter, and an opened position allowing a user to reach said filter, wherein said liquid loading unit comprises one or more liquid loading openings (28, 31) allowing to manually load a liquid in said liquid receiving element even when said lid is in said closed position, characterized in that said laundry dryer comprises a box-shaped seat, accessible from the external of said casing and suitable for removably receiving a drawer, comprising, in its bottom region, a housing, fluidly connected to said main liquid reservoir, and in which said liquid loading unit is at least partially housed in a permanent or removable way. - a casing; - a laundry treating compartment, mounted within said casing, in which laundry to be treated can be loaded; - a drying system comprising an air conduit, passing through and comprising said laundry treating compartment, an air moving device, generating, when operated, an air flow which passes through said air conduit, an air heating device, positioned at least partially within said air conduit so as to heat said air flow before it passes through said laundry treating compartment; - a steam generator comprising a main liquid reservoir, in which a liquid can be loaded, and a liquid heating device operable for generating heat to heat a liquid contained in and/or coming from said main liquid reservoir, so as to produce steam that is delivered to said laundry treating compartment via a steam delivery conduit fluidly connecting said steam generator to said laundry treating compartment; - a liquid loading unit comprising a liquid receiving element, having an outlet opening, fluidly connected or connectable to said main liquid reservoir, and a filter, provided upstream to or at said outlet opening, so as to filter a liquid flowing out of said liquid receiving element via said outlet opening, wherein said liquid loading unit comprises a lid, movable with respect to said liquid receiving element between a closed position, in which said lid at least partially overlaps said filter, preventing a user from reaching the latter, and an opened position allowing a user to reach said filter, wherein said liquid loading unit comprises one or more liquid loading openings (28, 31) allowing to manually load a liquid in said liquid receiving element even when said lid is in said closed position, characterized in that said laundry dryer comprises a box-shaped seat, accessible from the external of said casing and suitable for removably receiving a drawer, comprising, in its bottom region, a housing, fluidly connected to said main liquid reservoir, and in which said liquid loading unit is at least partially housed in a permanent or removable way.