An event celebrating the 2025 Regenerative Architecture Index (RAI), hosted by UK Architects Declare and Architecture Today in partnership with Schüco, took place on 2 October at Broadway Malyan’s London office.
Unknown Works’ Armadillo shell structure exemplifies the practice’s use of biomimicry and systems thinking (photo: Henry Woide).
The 2025 Regenerative Architecture Index (RAI) was celebrated in style with a party at Broadway Malyan’s London office near Waterloo Station. Organised by UK Architects Declare and Architecture Today, in partnership with Schüco, the event was attended by a host of progressive and dynamic professionals committed to improving and safeguarding our future built environment.
The RAI benchmarks the progress of practices moving towards regenerative design and delivery – recognising the need for a built environment that not only reduces negative impacts, but also generates positive outcomes for both the present and the future. This year’s Regenerative Architecture Index comprises 116 organisations (up from 68 last year), ranging from sole practitioners to multi-disciplinary global brands. Each practice submitted detail responses to questions in three key categories: Being a good ancestor, Co-evolving with nature, and Creating a just space for people.
All the RAI entries were independently assessed by members of UK Architects Declare. For each question the assessors picked out a ‘front-runner’ – the practice deemed to have given the most interesting or insightful response – along with a ‘runner-up’ and a selection of ‘ones to watch’. These responses have been published as a ‘Compendium of Best Practice’ in the September-October issue of Architecture Today.
Broadway Malyan’s Director of Sustainability Mitakshi Sirsi welcomed everyone to the event, before handing over to Schüco Sales Director (UK and Ireland) Dan Gleeson, who outlined the work Schüco is doing to accelerate the transition to a regenerative construction industry, and why it is partnering UK Architects Declare and Architecture Today to deliver the Regenerative Architecture Index.
Following a delicious paella supper, Beau Lotto, renowned neuroscientist and entrepreneur, explored ideas for regenerative design and the future resilience of our built environment. Kevin Logan, Director at Maccreanor Lavington and member of UK Architects Declare, spoke about the RAI assessment process and its ambassadors, before handing over to Architecture Today Editor Isabel Allen, who announced the front-runners for each of the three assessment categories (see below in alphabetical order).
Concluding the formal proceedings, Lawrence Bates, CEO at the Wildheart Trust, gave an update on plans for the International School of Rewilding and Regnerative Agriculture (ISORaRA) at Sandown on the Isle of Wight. Three practices from the 2025 Regenerative Architecture Index – Bakerbrown Studio, Marks Barfield Architects and Unknown Works – have been shortlisted for the project. Click here to read Bates’ insights on what made the practices stand out.
Click the category links to see detailed responses from all 116 participating practices in the 2025 Regenerative Architecture Index: Being a good ancestor, Co-evolving with nature, Creating a just space for people. To join the regenerative architecture community click here.
Being a good ancestor
Left: Materials Cultures at their studio in Hackney. Right: Members of the Purcell team photographed at their studio in Bermondsey (photos: Timothy Soar).
Front-runners:
BakerBrown Studio
Exploration Architecture
Gale & Snowden
Material Cultures
Purcell
RSHP
Useful Simple Trust
Co-evolving with nature
Left: Michael Pawlyn, founder of Exploration Architecture, at his studio in Highgate, north London. Right: Marks Barfield Architects at their studio in Clapham, south west London (photos: Timothy Soar).
Front-runners:
Commonfuture
Digg & Co
Exploration Architecture
Feilden Fowles
HLM Architects
Marks Barfield Architects
Studio Knight Stokoe
Unknown Works
Creating a just space for people
Left: Collective Works at their studio in Islington, north London. Right: Jan Kattein Architects at their studio in Islington, north London (photos: Timothy Soar).
Front-runners:
Bond Bryan
Collective Works
Feilden Clegg Bradley Studios
Jan Kattein Architects
ritchie*studio
Transition by Design
We Made That
