Critical Studio

Build your sustainable project with Critical Studio.

In our 7+ years of existence, our projects have been covering a wide range of activities: from consulting to workshops, research and longer term educational projects.

Collaborating with dozens of organizations, on the local and international level, Critical Concrete is a experienced and reliable partner and project leader.

Always ready for a challenge, strong of our wide network, we’ll always try to engage in projects that relate to our values.


What can Participatory design do for you?

Participatory design is a powerful tool to rapidly define and refine your ecological project. We facilitate participatory sessions between clients and designers to quickly workshop design options and decide the final proposal.

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Our Expertise

We can protect and preserve new and existing timber using natural oils, charring and other methods.

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Glulam is a very strong and sustainable structural system with fantastic aesthetic properties!

At our in-house workshop we design and construct bespoke joinery pieces to perfectly fit your space.

Papercrete insulation uses recycled cardboard and lime to create interior insulation that improves indoor humidity and comfort.

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We have developed a way or reusing old tyres as strong, reliable post foundations – minimising the need for concrete.

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Using cork as a drainage layer green roofs add inhabitable growing space to your dwelling.

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Rainwater collection is a way to reduce water usage. We can design, specify and install a variety of systems to suit client’s needs.

We have developed multiple natural flooring products using recycled materials, earth, lime and sand for robust and durable floors.

Every stone wall is unique and will need an individual treatment plan for recovery, reinforcement and sometimes replacement.

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Rockets stoves efficiently burn wood as a smokeless solution to warm unheated spaces. We offer multiple models of varying complexity.

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 Our Network is our Strength 

We work with specialists and designers in sustainable fields to deliver ecological projects for all our clients

Our Projects


This house renovation for a couple living in Esposende is a collaboration between the local authority, Portugal Inovação Social and Critical Concrete
Natural Flooring
Traditional Timber Framing


Built as part of an international summer school in partnership with MatosinhosHabit, this renovation of a social house features numerous sustainable features:

Public space renovation – Apúlia

Together with Degré47, Ctrl+Z and Húmus Vivo, who led the soil regeneration process and planting, we renovated public space in Apúlia. As a result of long participatory process we have built three wooden structures and planted the area around them. 
Project was supported by Esposende Municipality. 
Read more about it in our article. 
Traditional Timber Framing
Participatory design

International Summer Schools 2016-19

For 4 years Critical Concrete ran sustainable construction summer schools involving young people from all over the world. Over the course of a few weeks we renovated a social houses for local Portuguese families using a variety of low-tech solutions. 

Recycled materials
Participatory design
Bespoke Joinery

Critical Concrete HQ

Our production centre and offices are where we test and develop many of our sustainable solutions. From stone wall rehabilitation to ecological green roofs the project is ongoing and ever expenading.
Stone wall Rehabilitation
Ecological Green Roof


Fill out this quick contact form and one of our team will be in touch shortly to discuss further. No project is too big or small.

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