12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Continental Europe House DNA

Reconstruction and mass housing

Concrete, masonry infill, flat roofs and large apartment systems.

1945–1979
Common assembly context

What may be original

  • Region-specific envelope and service systems
  • Later retrofit layers should be recorded separately
Priority clues

What deserves attention

  • thermal bridges
  • balcony leakage
  • flat-roof ageing
  • shared services
First checks

Reduce uncertainty first

  1. Confirm original construction era
  2. Record major renovations
  3. Compare symptom timing with weather and system use
Add to House DNA

Original era is only the start.

Record later insulation, windows, roof, ventilation and service replacements in My House before relying on era assumptions.

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