12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Regional intelligence pack

New Zealand

Marine-climate intelligence for timber framing, cladding interfaces, subfloors, high rainfall and earthquake-related movement clues.

en-NZlocalemetricmeasurementsNZDplanning currencymarinebaseline climate
NZ1country codes
Construction context

What changes the interpretation

  • Wind-driven rain and drained-cladding details are central to many envelope cases.
  • Raised timber floors and underfloor moisture remain important in older homes.
  • Seismic movement requires context before cosmetic crack repair.
Climate families

Weather and moisture drives

Compare all climates →
House DNA by era

Original construction matters

Open era index →
Local words, canonical graph

HouseSymptoms understands the terms people actually use.

The regional layer changes labels without duplicating the underlying symptom, cause or component.

Open terminology map →
Air Bricksubfloor ventAtticroof spaceBoilerheating applianceCladdingcladdingConsumer UnitswitchboardDamp Proof Coursedamp-proof courseDownpipedownpipeDrywallplasterboardEarthearthExtractor Fanextract fan
Professional planning index

Relative context—not live quotes

Indices support early comparison and handoff wording. They never replace local pricing or a professional quote.

NZD

Building inspector

Callout 49Investigation 108Repair complexity 162
NZD

Chartered structural engineer

Callout 86Investigation 151Repair complexity 238
NZD

Heating and ventilation specialist

Callout 65Investigation 124Repair complexity 189
NZD

Registered electrician

Callout 59Investigation 119Repair complexity 178
NZD

Registered plumber

Callout 59Investigation 113Repair complexity 173
NZD

Weathertightness surveyor

Callout 65Investigation 124Repair complexity 184
Regional source registry

Official and standards-oriented starting points

4 connected sources
codesBuilding performance guidanceMinistry of Business, Innovation and Employment ↗hazardsNatural hazards and buildingMinistry of Business, Innovation and Employment ↗safetyElectrical safetyWorkSafe New Zealand ↗weatherClimate informationNIWA ↗