A dwelling with at least one of the following sanitary and technical appliances: water supply system, a flushable toilet, hot water, a bathroom, central heating or gas from gas supply system.

• Building equipped with central heating
• Building equipped with gas from gas supply system
• Building equipped with sewerage network
• Building equipped with water supply system
• Dwelling fitted with central heating
• Dwelling fitted with running hot water
• Dwelling fitted with gas from gas supply system
• Dwelling fitted with a bathroom
• Dwelling equiped with flushable toilet
• Dwelling fitted with water supply system