A rooftop pavilion in Tooley Street, the headquarters of Southwark Council and the H10 London Waterloo hotel at St George's Circus have been shortlisted for awards from the Royal Institute of British Architects.
The three SE1 buildings are among 55 projects across the capital shortlisted for RIBA London awards which will be announced next month.
The lightweight structure, designed by David Kohn Architects, was commissioned by flamboyant local developer Roger Zogolovich in collaboration with the Architecture Foundation.
Before Christmas Skyroom was opened to the public as the Skybar pop-up bar for eight nights.
Designed by Allford Hall Monaghan Morris, the council moved in to the building in 2009.
The distinctive brick building designed by Maccreanor Lavington has 178 rooms and opened its doors to guests in March 2010.