Assessing defect severity helps inspectors communicate which findings may require routine rectification, further investigation or prompt professional attention. A consistent assessment method also helps clients understand the relative importance of individual defects.
1. Understand the purpose of severity assessment
Severity assessment is not simply about counting defects. It considers the nature of the observed problem, its extent, functional impact and potential consequences.
The assessment should remain within the inspector’s qualifications and the agreed inspection scope.
2. Establish a practical classification system
An inspection company may use categories such as:
- Minor: Cosmetic or finishing issues with limited apparent impact.
- Moderate: Defects affecting usability, durability or the quality of finishes that require rectification.
- Major: Findings that may significantly affect functionality, moisture control or building performance and warrant further assessment.
- Critical or urgent: Observed conditions presenting a credible immediate safety concern or requiring urgent attention by an appropriately qualified professional.
These are example categories, not universal engineering classifications. Establish clear definitions and apply them consistently.
3. Consider the location and extent
A small defect in one location may have a different significance from a similar problem repeated across several rooms.
Record the affected area, visible dimensions, distribution and relevant surrounding conditions.
4. Evaluate functional impact
Consider whether the finding affects the normal operation of a door, window, sanitary fitting or other accessible component.
For potential structural, electrical or other specialist concerns, document the observations and recommend appropriate assessment rather than making conclusions beyond your expertise.
5. Support the assessment with evidence
Photographs, measurements, location references and factual descriptions help explain why a finding received a particular classification.
Avoid assigning severity based only on appearance when important contextual information is unavailable.
6. Communicate recommended next steps
Explain whether the finding appears suitable for routine rectification, requires verification or should be referred for specialist assessment. Clearly distinguish an observed defect from a suspected cause.
Frequently asked questions
Who decides the severity of a house defect?
The inspector classifies the observed finding within the agreed scope and their competence. Specialist or engineering evaluation may be needed for complex issues.
Is every crack a major defect?
No. Cracks vary in appearance, location, extent and possible cause. Their significance should be assessed using relevant evidence.
Should defect severity appear in the report?
A clearly defined severity field can help clients prioritise findings, provided the classification criteria are explained.
Conclusion
Consistent severity assessment improves the usefulness of inspection reports. Define categories carefully, document supporting evidence and refer potentially serious or uncertain findings to suitably qualified professionals.
