What National Audit Office does
The Comptroller and Auditor General, supported by the National Audit Office, examines, certifies and reports on the accounts of UK public bodies — including the HCA (Homes England) under Schedule 1 to the Housing and Regeneration Act 2008 — and reports to Parliament.
Monitoring/audit body — assigned under the 'closest statutory authority' standard (MA 2008-Act cluster, ISS-651), mirroring auditor_general_scotland.