This year's shortlist includes a mixed-use co-working and housing development in Swanley by Bell Phillips, a refurb of Brightons Grade I-listed Corn Exchange and Grade II-listed Studio Theatre by Feilden Clegg Bradley Studios, and a derelict church conversion on the Isle of Sheppey by Hugh Broughton Architects.BDP's major trauma centre for the Royal Sussex County Hospital in Brighton has also made the shortlist. The practice was also among 23 contenders for the RIBA East regional awards announced yesterday, for its AstraZeneca research centre designed with Herzog & de Meuron.This year's South East cohort also includes two projects previously shortlisted for the 2024 AJ Small Projects awards: Built Works Drying Shed Sauna, a 45,000 standalone sauna on a farm in East Sussex; and Artefact's Triangle House, a 292,000 triangular extension to a 1950s house in Surrey.AdvertisementOne-off houses competing for regional recognition include a modern reinterpretation of a villa in the South Downs National Park by Sandy Rendel Architects, a new house in Hastings by Hugh Strange Architects, and a sustainable self-build in Whitstable by Liddicoat & Goldhill. Source:Sam GradySea, Sky House by Liddicoat & GoldhillLast year, the RIBA named nine South East regional winners from a shortlist of 16, including Coffey Architects with a buzzy later-living scheme in Cobham, Surrey, and Michael Kendrick Architects with a woodland lodge in Hastings.RIBA South East jury chair Lisa Shell, director of Lisa Shell Architects, said this year's shortlist showcases an impressive variety of projects, with budgets spanning from the tens of thousands to tens of millions and each project reflecting the architectural ambition and inventiveness of the South East region.She added: High-quality residential self-build projects stand alongside inspiring conservation efforts, demonstrating an impressive range of construction and design approaches that thoughtfully respond to todays challenging climate. Source:Nick Caville/BDPLouisa Martindale Building (3Ts), Royal Sussex County Hospital by BDPAll projects shortlisted for RIBA regional awards will be visited by a jury, with the winners announced later this spring.AdvertisementThe winners will then be considered for several RIBA Special Awards, including the RIBA Sustainability Award and RIBA Building of the Year, before being considered for a highly coveted RIBA National Award, to be announced in the summer.The shortlist for the RIBA Stirling Prize the UKs best new building will be drawn from the RIBA National Award-winning projects and announced in September.The Stirling Prize winner will be announced in October.Shortlist (in full) for 2025 RIBA South East architecture awardsBrighton Dome Corn Exchange & Studio Theatre by Feilden Clegg Bradley StudiosBury Gate Farm by Sandy Rendel Architects by Sandy Rendel ArchitectsCourtyard House by AAVA ArchitectsField House Sussex by Wilkinson KingHastings House by Hugh Strange ArchitectsHigh Street Swanley by Bell PhillipsKnepp Wilding Kitchen and Shop by Kaner Olette ArchitectsLouisa Martindale Building (3Ts), Royal Sussex County Hospital by BDPSea, Sky House by Liddicoat & GoldhillSheerness Dockyard Church by Hugh Broughton ArchitectsThe Drying Shed Sauna by Built WorksThe Spencer Building, Worth School by Tim Ronalds ArchitectsThree Oaks by Nick Willson ArchitectsTriangle House by Artefact