Specialising In Residential Extensions & Renovations Sydney Wide.. Building Contractors - Oyster Bay, NSW . Service: Construction, Extensions, Renovations. Type: Commercial, Residential. Place: Bathrooms, Kitchens. Kind: New Homes. Hours of Operation: 24hr Emergency Service, Flexible Hours, Open Monday - Friday, Open Saturdays. Service Option: By Appointment, Emergency Service, Mobile Service. Payment Method: Cash, Cheques, Direct Debit