Apparatus and method for cleaning a portion of a housing surface

Apparatus (100, 200, 300) for cleaning at least a portion of a housing surface, comprising first means (201, 301) having an outer surface and an inner surface, wherein the outer surface of the first means (201, 301) is the inner surface of the first means (201, 301), wherein the inner surface of the first means (201, 301) is locatable on the portion of the housing surface, and a second means (202, 302) having an outer surface and an inner surface, the outer surface of the second means (202, 302) opposes the inner surface of the second means (202, 302), characterized in that the inner surface of the second means (202, 302) is disposed on the outer surface of the first means (201, 301), the first means (201; 201, 301) is deformable along a first axis by means of a fluid which is deliverable between the first means (201, 301) and the second means (202, 302), and the second means (202, 302) e ntlang a second axis is movable, wherein the second axis is arranged perpendicular to the first axis.