si_architecture is an international multidisciplinary consultant, offering a unique portfolio of architecture, planning and consultancy services. We specialise in commercial, mixed-use, cultural projects and master-planning developments, both in the region and around the world.
We work in all scales and sizes: from urban design and low-carbon master planning, high-rise towers to complex mixed-use projects and smaller, highly refined cultural projects.
We enjoy creating compact, mixed-use and walkable cities. Mission: Green and dense!
Steffen and Igor are pioneers in sustainable cities and energy-efficient building design. With 20 books published on the principles of sustainable urban development, they have been lecturing worldwide on this topic for the last 25 years.
A digital copy of our brochure can be accessed here: Brochure 2022
As global designers of future cities, si_architecture works in all scales and sizes: from urban design and low-carbon master planning, high-rise towers to complex mixed-use projects and smaller, highly refined cultural projects.They enjoy creating compact, mixed-use and walkable cities.
Mission: Green and dense!
Steffen and Igor are world-leading pioneers in sustainable cities and energy-efficient building design. They have published 20 books on the principles of sustainable urban development and design, and have been lecturing worldwide on this topic for the last 25 years.
si_architecture embodies the optimism that underpins the practice, similar to the “si…yes!”, embracing a positive attitude that our world could be more joyful, engaging, and resourceful.
si_architecture will add prestige to your project.
si_architecture combines three unique characteristics:
Capability 1
An immense international experience
Capability 2
A deep understanding of cities in Asia and the Middle East
Capability 3
Design that is underpinned by careful research, strong concepts and a clear, realistic approach to sustainability
si_architecture embodies the optimism that underpins the practice, similar to the “… si! ... Yes!”, embracing a positive attitude that our built environment could be more joyful, engaging and resourceful.
Architectural Firms Announce Merger and Launch of new Practice. Internationally-recognised designers Steffen Lehmann and Igor Peraza have announced the formation of a new firm, si_architecture + urban design. Read more...
Steffen & Igor meeting clients in Dubai, Abu Dhabi, Riyadh.
Igor speaking at the Urban Visions Forum in Dubai.
Steffen & Igor are participating in the Real Estate Future Forum’22 in Riyadh, KSA.
si_architecture to design 5 luxury residences at The SOLARIS Hilltop development in Guanacaste, Costa Rica.
Steffen to give a keynote at Curtin University.
The si_architecture + urban design booklet has been launched.
The project has entered Design Development phase, with construction to commence in 2022.
The new book “Trans-Atlantic Engagements” (ORO, San Francisco, Jan. 2021) has been launched.
si_architecture partner Igor Peraza, will give a presentation at Lancaster University (UK) on 19th March 2021.
si_architecture will participate at MIPIM 2021 congress in Cannes, France.
Steffen keynote address at ISOCARP World Congress for UN-HABITAT, Doha.
Igor's developing a Maggie Center in Dubai. A studio project at AUS, in the UAE.