Principal Certifier


A Principal Certifier must be engaged, by contract, by the person having benefit of the Development Consent, to undertake the following works.

The functions of Principal Certifier for a development are to:

  • Determine an application for a Compliance Certificate
  • Determine an application for an Occupation Certificate
  • Determine an application for, and issue of, a Subdivision Certificate
  • Carry out of inspection under section 22 of the Swimming Pools Act 1992 and issuing Certificates of Compliance under that Act.

The Principal Certifier is responsible for the following:

  • Undertaking critical stage inspections of building work in accordance with Section 162A of the Environmental Planning and Assessment Regulation 2000
  • Administering the conditions of Development Consent
  • Promptly advising the applicant after any relevant inspection of any outstanding work
  • Issuing the applicant with an Occupation Certificate for any building or change of use when the relevant applicant has been lodged.
  • Receiving and investigating any complaints from the public concerning the development
  • Council can fulfill the role of Principal Certifier as can many registered Private Certifiers

To appoint Council as the Principal Certifier the Appointment of Singleton Council as a Principal Certifier Form is required to be completed and submitted to Council before any work commences.


  • Our certifiers are registered under the Building and Development Certifiers Act 2018 and are subject to the requirements of the current building certification legislation
  • Singleton Council certifiers have access to a diverse range of property information and application history that can assist applicants when lodging a Construction Certificate or Complying Development Certificate
  • Our certifiers work closely with development assessment staff and Subdivision Engineers. This working relationship is invaluable when working through building construction issues
  • Our certifiers will ensure that minimum building standards and Development Consent requirements are satisfied
  • Our certifiers provide an efficient and cost effective service
  • Our certifiers are local and will always be available for our community


  • Inspections will only be undertaken on Tuesday, Wednesday and Thursday
  •  A maximum of four (4) inspections will be booked per day
  •  Inspections beyond 6798 Putty Road – also known as the Halfway House – will be completed on Tuesdays only
  •  Where there are bookings for the area beyond 6798 Putty Road on a Tuesday, no other inspections will be booked on that day
  •  Where there are bookings for other areas on a Tuesday, no inspections beyond 6798 Putty Road will be booked
  •  Inspections beyond 1719 Carrowbrook Road – known as the Lake St Clair Camping Area – will be completed on Wednesdays only


For further information about the building approval process and choosing a Principal Certifier, please refer to the NSW Office of Fair Trading website.