Humidity Risk Calculator

Answer 14 questions about your building, current conditions and lifestyle. Get a personalised risk score, key factors identified and a priority checklist no registration, no email required.

Section 1: The building

Building type

Apartment in a blockDetached houseSemi-detachedGround floor apartmentTop floor apartment

Construction year

Before 19601960 19801980 20002000 2015After 2015

Location

Lisbon areaPorto areaAlgarveInteriorIslands (Açores/Madeira)

Floor level

Ground floor1st 3rd floor4th floor or higherTop floorOnly floor

Window type

Single glazing, aluminiumDouble glazing, aluminium no thermal breakDouble glazing, thermal breakTriple glazing or newer

Section 2: Current conditions

Do you have a hygrometer?

Yes reading below 60%Yes 60 70%Yes 70 80%Yes above 80%No

Have you seen mold in the past 12 months?

NoYes, small area on non-porous surfaceYes, larger area or porous surfaceYes, came back after cleaning

Musty smell without visible mold?

NoOccasionallyYes, regularlyYes, strong and persistent

Water events in past 3 years?

NoneMinor small leak, repairedModerate flooding or significant leakMajor flooding with prolonged exposure

Section 3: Lifestyle

Bathroom ventilation

Window onlyExtractor fan that exhausts outsideExtractor fan not sure where it exhaustsNo ventilation

Kitchen ventilation

Window onlyRecirculation hoodExtraction hood (exhausts outside)

Laundry drying

Always outsideMostly outsideSometimes indoorsUsually indoors

Heating in winter

Always heated to 18°C+Heated most daysHeated occasionallyRarely or never heated

Number of occupants

123 45+

Independent editorial publication on mold, damp and indoor air quality in Portugal.

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