A 55‑year‑old man attends his GP for review of persistently elevated blood pressure. Over the past 4 months he has had repeated seated clinic readings averaging 152/94 mmHg, confirmed by home readings. He is a non‑smoker with no diabetes, eGFR 85 mL/min/1.73 m² and a 5‑year absolute cardiovascular risk of 13%. Lifestyle measures (reduced salt intake, increased exercise, modest weight loss) have already been implemented. According to contemporary Australian hypertension guidance, what is the most appropriate next step?