Renovation and modernization in municipal dwelling stock - Renovation of dwellings (renovation aimed at improving living standards): dwellings — central heating

Modernization of dwellings in residential buildings after modernization managed by gminas , data gathered every 2 years; Resources with new utility systems; dwellings are counted only once disregarding the number of new utility systems being installed. In 2005 - Installations newly fed/connected to dwellings; from 2007 - Renovation of dwellings (renovation aimed at improving living standards) in gmina owned buildings.