Happy Mansion is a freehold apartment development located at 1 Happy Avenue North, Singapore 369736 in District 13 near Tai Seng MRT Station. Completed in 1977, it has 4 storeys and is located in the vincinity of landmarks like Circuit Road Market & Food Centre and Sims Avenue Centre. Condo Facilities at Happy Mansion Facilities at Happy Mansion include open car park. Condo Amenities near Happy Mansion Happy Mansion is located close to shopping centres like Circuit Road Market & Food Centre and Sims Avenue Centre. Educational institutions located nearby include Canossa Convent Primary School and Cedar Girls' Secondary School.