Indoor environment

This section provides statistics about housing and health in New Zealand. 

About the indoor environment and health

Information about how housing and the indoor environment affects our health.

Indicators at a glance - indoor environment

Summary of indicators about lack of home heating, household crowding, second-hand smoke, and related health effects.

The indoor environment


Household crowding

Statistics on the number of people living in crowded households.


Second-hand smoke exposure

Statistics on the number of people exposed to second-hand smoke in their home.


Home heating

Statistics on the number of households with no source of home heating. 

Health effects of the indoor environment

Hutt hospital1


Statistics about asthma deaths, hospitalisations and prevalence in New Zealand.

Hutt hospital1

Lower respiratory tract infections

Statistics about lower respiratory tract infection hospitalisations and deaths in New Zealand.

cot death3

Sudden unexpected death in infancy (SUDI)

Statistics about sudden unexpected death in infancy (SUDI) in New Zealand.


Health burden due to second-hand smoke exposure

Estimates of the health burden (in deaths and DALYs) due to second-hand smoke exposure in New Zealand.