Local authorities also have the discretion to extend licensing to other categories of HMOs to address particular problems that may exist in smaller properties or in particular geographical areas.
Trwyddedu ychwanegol yw’r enw ar hyn ac mae'n galluogi awdurdodau lleol i fynd i'r afael â phroblemau penodol a allai fodoli mewn eiddo llai neu mewn ardaloedd penodol.