High-Performance Upgrade Review
Existing Building Assessment
Why This Review Exists
This assessment identifies performance failure within an existing home before upgrade works begin.
It prevents partial upgrades that introduce:
• Condensation risk
• Thermal imbalance
• Air leakage amplification
• Mould exposure
• Rework
Upgrades without full-envelope clarity often increase long-term cost.
Scope of Assessment
On-site assessment includes:
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External wall construction review (visual)
Roof / ceiling insulation review
Window performance assessment (frame + glazing type)
Thermal bridge risk indicators (visual only)
Floor / slab interface risk notes (where accessible)
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Airtightness risk indicators
Ventilation adequacy review (natural vs mechanical)
Condensation / mould risk indicators
Internal humidity risk conditions
Bathroom / kitchen exhaust review
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Heating / cooling system overview
Domestic hot water configuration review
Services placement implications for retrofit
Feasibility of mechanical ventilation (HRV) feasibility)
Staging implications for upgrade works
Decision Gate
This stage answers:
• Where is the building underperforming?
• What is causing discomfort or moisture risk?
• What sequence prevents unintended damage?
• Which upgrades materially improve performance vs cosmetic change?
Renovation strategy should not proceed without this clarity when performance is a goal.
Method
• On-site inspection
• Visual envelope assessment
• Photographic documentation
• Non-destructive evaluation
This is not a thermal imaging or destructive engineering report.
Deliverables
You receive:
• Written performance summary
• Identified failure points
• Upgrade prioritisation guidance
• Risk register
• Clear next-step recommendation
Assessment Levels
The High-Performance Upgrade Audit is structured in three levels of depth.
Each level increases clarity prior to committing to renovation scope.
Level 1 - Essential
Envelope Diagnostic
Foundational Performance Review
Investment: $1,650 + GST
On-site evaluation of building envelope condition.
Confirms:
• Insulation continuity
• Air leakage exposure
• Moisture risk zones
• Ventilation adequacy
Outcome:
Clear identification of primary performance failures and upgrade pressure points.
Suitable for early-stage renovation planning.
Level 2 - Advanced
Envelope + Systems
Integrated Performance Assessment
Investment: $2,450 + GST
Includes Level 1, plus:
• Heating and cooling system assessment
• Ventilation strategy review
• Domestic hot water efficiency overview
• Structured risk prioritisation
Outcome:
Defined upgrade sequence aligned with building science and cost control.
Reduces mis-sequenced renovation risk.
Level 3 — Strategic Upgrade Pathway
Highest Pre-Renovation Certainty
Investment: $3,400 + GST
Includes Level 2, plus:
• Upgrade staging roadmap
• Performance-to-cost prioritisation
• Detailed comfort impact commentary
• Capital allocation guidance
Outcome:
Controlled renovation pathway aligned with long-term performance and staged investment.
Maximum clarity prior to committing to construction works.
Where This Leads
If renovation proceeds, the next stage is a Preliminary Agreement and performance-aligned design development.
Consultation Credit
If the project proceeds to construction with Joe Builds, the audit investment is credited toward the renovation engagement.