“Where any amount of housing benefit is determined to be recoverable under or by virtue of section 75 or 76 of the [Social Security Adjudication Act 1992 ], any person from whom it has been determined that it is so recoverable shall have the right of appeal to the First-tier Tribunal”
“In this Part, “overpayment” means any amount which has been paid by way of housing benefit and to which there was no entitlement under these Regulations (whether on the initial decision or as subsequently revised or superseded or further revised or superseded).”