New-build warranty & defect evidence

Independent investigation and reporting where performance is disputed. We focus on causation, building performance and clear evidence that supports technical and claims decisions—without remedial sales bias.

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What this service covers

Used where a developer, warranty provider or third party disputes responsibility or attributes symptoms to “lifestyle”. We investigate the mechanism and document the evidence required for a clear technical decision.

  • Ventilation provisions and airflow performance indicators
  • Insulation continuity, thermal bypass and junction risk indicators
  • Moisture mechanisms (ingress vs internal moisture/condensation pathways)
  • Evidence gaps and what would confirm conclusions where construction is concealed
  • Reporting structured for warranty, escalation and dispute decisions

Investigation scope

Plans/specifications (where available), photographs, correspondence and prior reports are reviewed to define the question being asked and evidence gaps.

The inspection focuses on accessible construction, junctions, provisions, and visible indicators relevant to the reported symptoms.

Moisture profiling and thermal imaging may be used where they materially improve confidence or reduce uncertainty. Limitations are stated where finishes conceal construction.

Competing hypotheses are considered. The report sets out the mechanism best supported by the available evidence and highlights where confirmation is not possible without targeted opening-up.

Where relevant, findings are mapped to applicable requirements/guidance at a high level, with scope limits stated clearly (this is not a design certification service).

Outputs are written for technical and claims decisions: findings, implications, evidence gaps, limitations, and proportionate next steps.

What you receive

A structured, evidence-led report that separates observed facts from interpretation, states limitations, and sets out next steps proportionate to the decision required.

New build warranty evidence,defect causation report,building pathology investigation - BUILDNOSTICS - Buildnostics - New-Build Warranty Evidence
  • Defect narrative and probable mechanism(s)
  • Limitations, access constraints and confidence notes
  • Annotated photographs and diagnostic images (where used)
  • Proportionate next steps for escalation or technical resolution
  • Evidence gaps and what would confirm/deny key conclusions

What this service is not

  • Not a cosmetic finish inspection
  • Not a general condition survey
  • Not remediation, drying or contractor quotation support
  • Not a single-reading “damp verdict” without mechanism analysis
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Discuss the situation before instructing

If you can summarise the symptoms and share any photographs or correspondence, we can advise whether a desktop review is proportionate or whether a full site investigation is required.

Pricing (proportionate fixed-scope options)

Desktop Defect Evidence Review — £450

Review of documents and information you supply. A short written findings note identifying likely mechanism(s), evidence gaps and recommended next steps.

Full Defect Investigation — Starting At £1,000

Site inspection with appropriate non-destructive diagnostics and a structured report suitable for technical and claims decisions. Invasive surveys are undertaken if required.

Fees are set to establish clarity early and reduce repeat inspections and avoidable escalation.

Request a technical call-back

Briefly describe the issue and the warranty/dispute context. If you have documents or photographs, note what you have. We will confirm whether a desktop evidence review is proportionate or whether a site investigation is required.

Findings are based on accessible areas and information available at the time of inspection. Where construction is concealed, this is stated together with recommended next steps (for example, targeted opening-up by others). We provide independent diagnosis and reporting and do not carry out remedial works.