Owners Silas and Daisy Rayner had applied to East Suffolk Council for longer opening hours for the Mayfair, in Bungay.
Since its launch last year, the business has had to close its doors at 6pm but the couple wanted permission to remain open until 9pm.
At a licensing sub-committee meeting on Friday, councillors ruled in their favour.
READ MORE: The Mayfair wine bar in Bungay receives community award
The Mayfair is a coffee and cocktail bar in Broad Street, Bungay next to Brandy Lane (Image: Sonya Duncan) READ MORE: Spindler's Cafe in........© Eastern Daily Press