Other practices to win prizes include Stolon Studio and Fraser Brown Mackenna
AHMM has been named Architectural Practice of the Year at the 2025 Building Awards, the annual awards show held by Building Design’s sister title Building.
Hosted by comedian Dara Ó Briain, the ceremony at the Grosvenor House hotel in London’s Mayfair on 4 November was attended by more than 1,000 professionals from across the construction industry.
Stolon Studio also picked up Traditional and Historic Retrofit Project of the Year for The Parks, an eight-home renovation of rural buildings at a former dairy farm in Hertfordshire.
Feix & Merlin, General Projects and Southwark council were highly commended in the category for the transformation of Walworth Town Hall into community space.
Housing Project of the Year was handed to Fraser Brown Mackenna Architects for Bancroft and Wickford Street, while small project of the Year was scooped by Thomas-McBrien Architects and New Wave London for New Wave House.
Chloë McCulloch, editorial director at Building, said: “These awards celebrate the outstanding achievements of companies and individuals driving excellence across the construction industry.
“The judges were impressed by their commitment to quality in the face of ongoing market challenges. Congratulations to all the finalists and winners.”
Other awards included Skanska UK chief executive Katy Dowding as CEO of the Year, the University of Cambridge as Construction Client of the Year and Multiplex as Major Contractor of the Year.
Building Awards 2025 winners
Architectural Practice of the Year Winner: Allford Hall Monaghan Morris
Building Magazine Project of the Year Winner: Plot 9a First Street – Cundall Highly commended: Mulberry Academy London Dock – Kier Construction
Building's Good Employer of the Year Winner: Plan A Consultants Highly commended: Useful Simple Trust
Construction Consultant/Surveyor of the Year (fewer than 100 staff) Winner: Quartz Project Services
Construction Consultant/Surveyor of the Year (over 100 staff) Winner: Turner & Townsend
Contractor of the Year (up to £500m), sponsored by Clement Windows, Winner: Kori Construction
Major Contractor of the Year (over £500m), sponsored by Fenwick Elliott, Winner: Multiplex Highly commended: Kier
Delivering Social Value Award, in partnership with Build UK, Winner: Manor Road Quarter – Morgan Sindall Construction
Digital Excellence Award, sponsored by Bellrock, Winner: Digital transformation programme – Turner & Townsend Alinea Highly commended: 76 Southbank – Multiplex Construction
Engineering Consultant of the Year Winner: OFR Consultants Highly commended: Stantec
Environmental Impact Award, in partnership with the Climate Group, Winner: GLA Circular Economy Statement Guidance – Aecom
Housebuilder & Housing Developer of the Year Winner: Berkeley Group
Housing Project of the Year, in partnership with the Housing Forum, Winner: Bancroft and Wickford Street – Fraser Brown Mackenna Architects
Manufacturer of the Year Winner: ARC Building Solutions
MMC Award Winner: HMP Millsike – Kier & Ministry of Justice
Net Zero Award, in partnership with UKGBC, Winner: HMP Millsike – Kier, Pick Everard & Ministry of Justice
Retrofit Project of the Year – Modern Winner: 76 Southbank – Multiplex Construction Europe
Retrofit Project of the Year – Traditional & Historic Winner: The Parks – Stolon Studio Architects Highly commended: Walworth Town Hall – Feix&Merlin, General Projects & Southwark Council
Small Project of the Year (up to £5m) Winner: New Wave House – Thomas-McBrien Architects & New Wave London
Specialist Contractor of the Year Winner: Britcon Steel
Construction Client of the Year Winner: University of Cambridge
CEO of the Year, sponsored by DGP Winner: Katy Dowding, Skanska UK
Thanks also to our tableplan sponsor SES, and to our partner Property Sports Network
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