What may be original
- Region-specific envelope and service systems
- Later retrofit layers should be recorded separately
United Kingdom & Ireland House DNA
Modernisation and retrofit era
Changing insulation standards, sealed windows and widespread central heating.
1965–1999
What deserves attention
- ventilation reduction
- cavity insulation interactions
- flat-roof ageing
- window condensation
Reduce uncertainty first
- Confirm original construction era
- Record major renovations
- Compare symptom timing with weather and system use
Add to House DNA
Open My House →Original era is only the start.
Record later insulation, windows, roof, ventilation and service replacements in My House before relying on era assumptions.
