Maintenance
What The property owner's responsibility to look after and renovate the building, which decides how safe and good it is to live or operate there.
Who The landlord or property owner, an actor outside the public sector, who is obliged to keep the home in usable condition.
How As a tenant you can demand that faults be fixed, and if that does not happen you can turn to the rent tribunal (hyresnämnd) to get it put right.