The 50-cover, 1,500 sq ft site secured by leisure property agency Shelley Sandzer, is located at 56 Ship Street, in Brighton.
Spanning three floors, Patty & Bun Brighton will serve the same menu its sites in the capital, including the Ari Gold (beef patty, cheese, lettuce, tomato, pickled onions); Smokey Robinson burger (beef patty, cheese, tomato, caramelised onions, bacon); Hot Chic chicken burger (marinated buttermilk fried chicken, coleslaw, pickled cucumbers, lettuce, smoked garlic aioli); brisket nuggets; and cheese balls.
It joins sites in Marylebone, Notting Hill, Hammersmith, Liverpool Street, Soho, Shoreditch, Fitzrovia and Hackney alongside a prep and development kitchen in London Fields and a permanent residency in Swingers London.
Commenting on the new opening, Nick Weir of Shelley Sandzer, said: "Opening the first regional restaurant in Brighton is a milestone for Patty & Bun and we are delighted to have represented them and to be a part of this noteworthy step in their expansion.
"We have no doubt the brand's exceedingly popular offer will be a huge success in Brighton, and this key central location in the region will allow them to create a real buzz amongst a brand-new dining customer."
Shelley Sandzer is known for launching Sushisamba, Patty & Bun, Duck & Waffle, Honey & Smoke and Xtend Barre into the market.
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