The chain said its 14,500 employees across the UK will receive the wage increase in recognition of their “commitment and continued passion” during the pandemic.
Costa is also looking to recruit more than 2,000 new workers as it prepares for a busy festive season, with more stores opening and higher consumer demand.
From October, all store staff will receive a pay rise of at least 45p an hour, taking minimum pay to £9.36.
The company’s “Barista Maestros” will see their pay go up by 65p per hour, taking the minimum for these more experienced roles to £10.29.
Top rates of pay, depending on location and experience, will go up to £11.29 an hour from £10.64.