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REVISIONS TO BUILDING APPROVAL STATISTICS
LARGE SCALE REVIEWS
The ABS has previously conducted large scale reviews of building approvals data by requesting that all approving authorities resubmit all approval records for a given period. The last such review was conducted in 2012 and examined all approvals data back to July 2001 (refer to the January 2013 issue of the Building Approvals, Australia (cat no. 8731.0) publication). Recently, the ABS commenced a modified review program, examining data submitted from July 2012-June 2015. Data submitted as part of this review will be compared against the original monthly submissions from approving authorities. From this analysis, the ABS will revise previous building approval statistics and provide feedback to approving authorities on the quality of their submissions.
The ABS intends to conduct similar reviews each year from 2016 onwards, focussing on the previous year's submissions from each approving authority.
PRINCIPLES OF REVISIONS
The following principles govern revisions to building approval statistics. Revisions are made:
PUBLICATION OF REVISIONS
Revisions made to reference months within the current or previous financial years are published as soon as they are identified, in the next release of the Building Approvals publication. Significant revisions made to reference months prior to the previous financial year are published once per year in the next January release of the Building Approvals publication.
As part of the review process, requests for resubmission of data are spread evenly across the year in order to avoid spikes in revisions in a particular reference month. A higher number of revisions may be observed in the January 2016 and January 2017 issues, as the current review period includes data back to July 2012 (beyond the previous financial year). However, the majority of revisions in the recent and upcoming reviews are expected to occur within the current and previous financial years, and will therefore be published directly after they are identified, in the next release of the Building Approvals publication.
The impact of revisions to the total number of dwelling units approved at state level are presented in the ‘REVISIONS THIS MONTH’ section on page 2 of each publication. From this publication onwards, these numbers will also reflect revisions resulting from the recent and upcoming reviews.
Subsequent impacts of revisions can be seen in the Building Activity Collection and in the National Accounts due to the relationship of these collections with the Building Approvals Collection.
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