Ever in expansion mode, Back of the House Restaurant Group — a.k.a. prolific local restaurateur Adriano Paganini — is looking to expand the footprint of their original, flagship Super Duper location on Market Street in the Castro. They go before the Planning Commission this week to seek approval for an expansion into the vacant next-door retail space, the flatiron-shaped former check-cashing place at 2300 Market Street. That 834-square-foot space, they say, will be used for some much-needed extra seating, and it will about double the size of this always crowded Super Duper location.

You can see the Planning Commission documents here, but pending approval, the renovation required would likely shut down this Super Duper at least briefly, and the ETA on that is obviously up in the air. As of now, the Planning Department has recommended the change-of-use for the new space for approval.

Hoodline first caught wind of the expansion plan early last year, however at that time it seemed unclear whether the restaurant might just move into the next-door space, if the expansion were not allowed.

Paganini opened this first Super Duper location — in what was formerly a location of Pasta Pomodoro, the now defunct chain he once owned — almost seven years ago, in the spring of 2010, and has since expanded the mini-chain to 10 locations around the Bay Area. With 10 locations, it comes in just under SF's formula-retail rules, which in certain neighborhoods like the Castro would impede any new or expanded locations.

Back of the House now owns and operates over 20 restaurants around the Bay, including Lolinda, Beretta, Delarosa, Starbelly, Uno Dos Tacos, and Belga.

This news comes just a month after the opening of his latest venture, the upscale Mexican spot Flores in the Marina, and three months after his latest downtown foray, fried chicken sandwich spot The Bird.

Last week we also learned that his restaurant group has its sights on the former La Urbana space at Divisadero and Grove, for purposes as yet unannounced.

Previously: Now Open In Cow Hollow: Flores, From The Belga And Uno Dos Tacos Team