A 45-year-old man with no past medical history attends your family practice after elevated blood pressures are noted at a pharmacy. Standardised office blood pressure measured with an automated device over three separate visits averages 164/102 mmHg. He is a non-smoker, has a normal fasting glucose and lipid profile, and there is no evidence of target organ damage. According to current Canadian guidelines, which of the following is the most appropriate management plan?