The RIBA East shortlist ranges from a retrofit of a 1970s house by Scott Batty to a landmark affordable business and community complex in Essex by HAT Projectsand a major research centre for AstraZeneca by Herzog & de Meuron and BDP.Pollard Thomas Edwards (PTE), one of nine RIBA East winners last year with its Beechwood Village housing scheme, is again in contention. It has been shortlisted for the Knights Park housing scheme in Cambridge, a joint project with Alison Brooks Architects consisting of 249 low-carbon homes. Source:Alison Brooks ArchitectsKnights Park by Pollard Thomas Edwards and Alison Brooks ArchitectsOther projects vying for an award include a new 4,650m teaching hub by Jestico + Whiles and a 2,940m sustainability HQ in a former 1930s telephone exchange by Architype, Feilden and Mawson and Eve Waldron Design, both for Cambridge University.AdvertisementRural houses also feature prominently on the shortlist, including Tim Poulsons Mill Hide, a Paragraph 79 house next to a Cambridgeshire nature reserve, ArkleBoyce Architects Clayworth, an accessible one-off contemporary house in the Chilterns, and Sanei Hopkins Architects Housestead, featuring living functions broken down into their simplified components.RIBA Central regional director Matt Blakeley, said the RIBA East region continues to deliver as one of the shining lights of architectural excellence in the UK.Praising the outstanding quality of the projects, Blakeley added: From mass housing to community buildings, commercial to educational spaces, the diversity and innovation on display is truly remarkable.The sheer volume and quality of the projects that now come forward in the region highlight not only the talented architectural community but the vision and collaboration of clients, stakeholders and contractors who make these projects possible. Source:Jim StephensonSunspot by HAT ProjectsAll 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 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. Source:Hufton CrowThe Discovery Centre (DISC) by Herzog & de Meuron / BDPShortlist (in full) for 2025 RIBA East architecture awards1970s House Retrofit, St Albans by Scott Batty ArchitectAmento by James Gorst ArchitectsBrambles by Bere ArchitectsBrentwood School Reception and Ashton by Cottrell and Vermeulen ArchitectureCast Corbel House by GraftedCatslide House by Graeme Williamson ArchitectsClayworth by ArkleBoyce Architects LtdDovehouse Court Almshouses by Mole Architects LtdElmside by Michael Collins ArchitectsFolded House by WesterdahlHarpenden House by Emil Eve ArchitectsHousestead by Sanei Hopkins ArchitectsJankes Barn by Lynch ArchitectsKnights Park by Pollard Thomas Edwards and Alison Brooks ArchitectsMill Hide by POULSON ARCHITECTUREMirror Pod Extension by Mart Barrass ArchitectNorth Sea East Wood by Hayhurst & Co.Sunspot by HAT ProjectsThe Discovery Centre (DISC) by Herzog & de Meuron / BDPThe Entopia Building Architype, Feilden and Mawson and Eve Waldron DesignTTP Campus by Sheppard RobsonUniversity of Cambridge West Hub by Jestico + WhilesYoungs Court Development at Emmanuel College, Cambridge by Stanton Williams Source:Taran WilkhuHarpenden House by Emil Eve Architects