Analysis of 518 dwellings refurbishment in Tubize, Walloon region, with a special focus on social work with the tenants.
Project name: “PEI” (Exceptional Investment Plan) major renovation of 72 social housing units in the Chestnut
orchard and Hornbeam orchard dead-end streets in Tubize.
Years of construction: 1975-1978
Type of building: Apartments in buildings type Ground + 2
Number of dwellings: 72
Tenure: Social rental
Construction characteristics: Buildings are designed as experimental steel constructions. Cellars are built under the entire building.
HVAC system: Electric heating system: local electric heaters with heating accumulation. Heating storage system (primary central air handling – Mainly, retain the heat during the night to benefit from it during the day). Natural Ventilation, but only in bathroom. There is no other ventilation system.
Energy performance before renovation: K80 Heating needs : 215,65 kWh/m²/year
Expected performance after renovation: K39 Heating needs : 82,77 kWh/m²/year