A Contemporary and minimalist Coastal House in Portugal, shaped by wind, light, topography and designed by Extrastudio.
Set along Portugal’s Atlantic coastline near Lourinhã, Casa Plaj is a minimalist coastal house designed by Extrastudio. Conceived as a 120 sqm holiday home, the project explores how contemporary architecture can engage with landscape, time, and atmosphere through restraint rather than expression.
Positioned on a narrow ridge between ocean and valley, the house occupies a site defined by exposure, strong winds, shifting light, and expansive views. Rather than resisting these conditions, the architecture absorbs them, using form, orientation, and materiality to frame an evolving relationship with the environment.
A familiar silhouette reinterpreted through minimalism
Casa Plaj adopts a deliberately reduced formal language. Its pitched roof and compact volume recall the archetype of the traditional house, subtly referencing Portuguese vernacular architecture while stripping it back to its essential geometry.
This approach situates the project within a broader discourse on minimalist architecture, where simplicity is not aesthetic alone but spatial and conceptual. The house avoids visual noise, allowing the surrounding landscape to remain the dominant presence. The result is a structure that feels at once familiar and abstract, anchored in context yet resistant to stylistic categorisation.
An elevated platform mediating between ground and horizon
In response to the site’s topography, the house is lifted on a series of load-bearing walls that support a raised platform. This intervention allows the building to lightly touch the ground while establishing a new horizontal datum from which to experience the landscape.
The elevated base performs multiple roles:
- it minimises impact on the terrain
- it frames long views across the Atlantic Ocean
- it extends the living spaces outward through generous terraces
These terraces act as transitional zones, neither fully inside nor outside, where daily life unfolds in direct contact with the elements. The house, in this sense, becomes less an object and more a device for inhabiting the horizon.
Light as a spatial and temporal instrument
At the core of Casa Plaj lies a precise orchestration of natural light, reinforcing its position within contemporary discussions on sensory architecture. A central skylight introduces zenithal light into the interior, marking the passage of the sun across the day. Circular openings punctuate the envelope, producing moments of compression and expansion while framing fragments of sky and landscape.
Rather than providing uniform illumination, these apertures create a sequence of changing atmospheres. Light becomes dynamic, measuring time, revealing textures, and shaping perception. This controlled use of daylight transforms the house into a temporal instrument, where architecture is experienced not as a fixed condition but as an evolving spatial narrative.
Raw concrete, stone, wood and the discipline of material restraint
Materially, Casa Plaj is defined by a restrained palette dominated by exposed concrete, wood and stone. This choice reinforces the project’s monolithic presence while establishing a direct relationship between structure, enclosure, and finish. Within the context of minimalist concrete architecture, the material operates beyond its structural role. It becomes a surface for light, a register of climate, and a medium through which the passage of time is made visible.
The absence of decorative elements intensifies the spatial experience, directing attention toward proportion, light, and atmosphere.
A house designed to slow down time
Beyond its formal and material qualities, Casa Plaj engages with a broader ambition: to redefine the experience of domestic space. The project proposes a way of living aligned with slowness, observation, and environmental awareness.
In contrast to increasingly mediated lifestyles, the house foregrounds elemental conditions, wind, light, temperature, and sound. Openings frame the landscape not as a static view but as a continuous presence.
This approach resonates with growing interest in well-being in architecture, where spatial design supports mental clarity and sensory engagement. Casa Plaj does not impose a programme; instead, it offers a framework for inhabitation that is open, flexible, and deeply connected to place.
Reframing coastal architecture in Portugal
Through Casa Plaj, Extrastudio contributes to a renewed understanding of coastal architecture in Portugal. Rather than adopting iconic or expressive forms, the project embraces reduction, precision, and contextual sensitivity. Its strength lies in its ability to balance multiple conditions:
- abstraction and familiarity
- exposure and shelter
- permanence and change
In doing so, Casa Plaj positions itself within a lineage of projects that privilege relationship over representation, where architecture is not an isolated object but part of a larger environmental and cultural syste.
This approach is not an isolated gesture. Across Portugal, a growing number of contemporary houses are exploring similar questions, how to build with the landscape rather than against it, how to reduce architecture to its essentials, and how to frame light, time, and territory as primary design materials.
Rooted in a form of critical regionalism, these projects engage deeply with their surroundings, responding to climate, topography, and local building traditions while maintaining a contemporary architectural language. They share a commitment to contextual integration, material honesty, and a restrained, minimalist and subtel expression.
From the monolithic and almost archetypal interventions of Aires Mateus, including Casa em Monsaraz, The Invisible House in Monsaraz, and Pa.te.os Guest Houses, to the quiet precision of Comporta Villa by João Pedro Falcão de Campos, these works demonstrate how architecture can dissolve into the landscape while maintaining a strong spatial identity.
Similarly, projects such as Amago House by Bruno Dias in Ansião, the understated compositions of Bak Gordon Arquitectos in Grândola (Monte dos Patos), or the refined intervention of Comporta 10 by Fragmentos Architects, continue this exploration of place-driven design.
This sensitivity extends across diverse regions, from the rural landscapes of Alentejo with Cercal House by Atelier Data and Villa Além by Valerio Olgiati, to the northern territories where projects like the Holiday House in Viana do Castelo by Carvalho Araújo, the Agroturismo House in Melgaço by Correia Ragazzi, and the House in Braços by Nuno Brandão Costa reinterpret local typologies through a contemporary lens.
Even larger-scale interventions such as the Quinta do Vallado Winery + Hotel by Guedes + De Campos reflect this same ethos—where architecture emerges from the logic of the site, its history, and its productive landscape.
A quiet manifesto for contemporary living
Casa Plaj ultimately operates as a built statement on how architecture can respond to contemporary challenges, environmental, social, and experiential, through clarity and restraint.
As a minimalist house in Portugal, it demonstrates that spatial richness does not require formal complexity. Instead, it emerges from the careful calibration of light, material, and context.
By framing the landscape and registering the passage of time, Casa Plaj offers a model for a more conscious and grounded way of living, one that is increasingly relevant in today’s architectural discourse.
project: Casa Plaj
location: Lourinhã, Portugal
typology: private residence
architecture: Extrastudio > extrastudio.pt/en
team: João Ferrão, João Costa Ribeiro, Sónia Oliveira (project architect), Rita Rodrigues, Filipa Almeida, David Carvalho, Andreia Simões
landscape architecture: Oficina dos Jardins - Sónia Caldeira, Inês Bordado
consultants: Pedro Viegas (structural engineering), Motoliveira (plumbing), Blueorizon (gas, building physics, acoustics, electrical, security)
area:120 m2
Year: 2019-2025
photography: Clemens Poloczek (c)
/image%2F1484059%2F20260507%2Fob_b5ed1c_logo-da-paper-point.png)
/image%2F1484059%2F20260429%2Fob_775cfa_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_e6e155_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_d85556_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_7358b3_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_5d25b6_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_bee646_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_30916c_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_4f7df0_dapaper-casa-plaj-extrastudio-architec.jpg)
/image%2F1484059%2F20260429%2Fob_3200ab_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_ed78c5_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_12c989_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_d27158_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_270e6a_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_5ba6ef_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_90b923_dapaper-casa-plaj-extrastudio-architec.jpeg)
/image%2F1484059%2F20260429%2Fob_c4c44e_dapaper-casa-plaj-section-extrastudio.jpeg)
:format(webp):upscale()/image%2F1484059%2F20260429%2Fob_76830b_dapaper-casa-plaj-extrastudio-architec.jpeg)
:format(webp):upscale()/image%2F1484059%2F20171102%2Fob_35a2a3_redhouse-azeitao-casavermelha-extrastu.jpg)
/image%2F1484059%2F20260430%2Fob_162c0a_da-paper-editorial-philosophy-less-but.jpeg)
/image%2F1484059%2F20260430%2Fob_47cf0c_da-paper-show-your-work-architecture-d.png)
/image%2F1484059%2F20260426%2Fob_78f810_subscribe-newsletter-da-paper-fr.png)
Go to top