In Focus: Building on Sloped Terrain – A Conversation About Views and Vision

In Liesberg, we are currently realising a residential building that deliberately leverages the complex conditions of its hillside location. The clear orientation and carefully positioned openings towards the landscape not only enable impressive long-distance views; the quality of living inside is also enhanced by a sustainable construction approach and integrated building services, designed with the future in mind. We spoke with our client and developer and asked…

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1. Which individual needs and wishes are particularly important in the planning process – and how have these been addressed in the design so far?
In my view, a house is not built only for oneself, but also for future generations. For this reason, I want to plan with foresight and have, for example, opted for a double garage – even though a single garage would be sufficient for my own needs. In addition, global warming does not stop at Liesberg. Topics such as Minergie standards, photovoltaics, thermal insulation, controlled ventilation, and air conditioning are therefore aspects that should be integrated into the project.

2. Are there specific rooms or elements in the house that you are particularly looking forward to or that are especially important to you?
Absolutely, the unobstructed view into nature thanks to the natural slope is definitely something I am looking forward to. But also the high ceiling heights, as well as good acoustic and daylight insulation. The house isoriented towards the south – facing the sun. Towards the street and the side elevations, there will only be a limited number of windows. Air conditioning is also planned – which is an additional benefit.

3. Were there moments during the planning process where your ideas changed? If so, why?
Yes, definitely – it is very much a work in progress. You start with certain ideas, wishes, and expectations, but especially through discussions with professionals and further research, it often becomes clear that some things are not as straight forward or cost-efficient to implement as initially assumed. Sometimes new input also emerges that suddenly feels more convincing than the original idea – that is completely normal. In my case, I decided against a ventilated, rainscreen façade for cost reasons and instead invested that budget into additional living space. I also initially considered incorporating a civil defence shelter, but that has since moved down the priority list. And the original idea of a water-based wood stove has been replaced in the planning by a masonry storage stove.

4. What role did sustainability and energy efficiency play in your project – and how are these aspects being implemented?
As mentioned, climate change is also a reality in Liesberg. My goal was therefore to achieve a highly sustainable and energy-efficient building with Minergie certification. I found materials such as clay and straw very interesting in this context, but ultimately the choice fell on concrete, which also offers many advantages in its own right.

5. Which architectural concepts or design principles were particularly important to you– for example style, openness, privacy, or light guidance?
My plot is located on a slope – a characteristic that also brings challenges, but which I wanted to take advantage of. The entrance facing the street is oriented to the north and is intentionally kept restrained and understated. The “wow effect” unfolds on the south side, with large windows, a terrace, and abundant natural light.

6. Sloping sites are considered challenging – which specific structural or planning solutions were implemented in your project?
For me, the slope was more of an advantage than a disadvantage. The basement level is aligned with part of the living areas – meaning the cinema room is directly adjacent to the living room rather than being isolated in the basement, which creates a stronger spatial connection. Another advantage is that the garden can be structured into different terraces. The most important benefit, however, is the unobstructed setting and the exceptional views.

7. How were daylight, shading, and indoor climate considered in the design – especially in a sloping site with specific solar conditions?
Shading is a key topic within Minergie requirements. The south façade is fully glazed but carefully shaded. East-facing windows were reduced in size to limit summer heat gain. To the north – towards the street and hillside – only a few windows were planned, ensuring privacy and contributing to passive cooling. Airconditioning manages the remaining temperature regulation.

8. What role did building services (e.g. heating, ventilation, smart home systems) play in the overall architectural concept?
A Minergie building places high demands on technical systems – from controlled ventilation and heating to photovoltaics and battery storage. Whether a smarthome system will be implemented is still open, but certainly a possibility.

9. What advice would you give to other clients planning a bespoke home in a challenging location?
With a strong team of experts supporting the process, very little can go wrong.

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More blog posts

Christian W. Blaser
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27. April 2026

«TeckNow»: Furniture, art & design in the former watch factory of Basis Watch in Tecknau – an overview of our partners.

Under the title “TeckNow”, the former watch factory of Basis Watch M. Thommen AG will open its doors from 7 to 10 May 2026 and become a stage for design, art and music. At the centre of the exhibition is the furniture design of Werner Blaser (1924–2019). Selected pieces from the collections of Daniel Salzberg and Christian W. Blaser will be presented alongside models by contemporary manufacturers Spectrum Design, Molteni&C and Löffler ERGO. We are pleased to introduce our partners in more detail below.

Credit letztes Bild: ©ferdinandogodenzi
Anna Stärk
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22. June 2026

In Focus: Custom-made lighting objects for individual spaces. Conversation with PrintYourLight.

How are lighting fixtures created that go far beyond their function as sources of light and become an extension of a space’s architecture? In conversation with the founders of PrintYourLight, we discuss the influence of architecture, nature, and co-design on their work, the possibilities of 3D printing, and the role of light as an identity-defining element of design.

Christian W. Blaser
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08. February 2026

Farewell to Christian W. Blaser and a New Leadership Structure at Architektur Dialoge

Press Release. After 20 years at the helm of the Board of Trustees of Architektur Dialoge, Christian W. Blaser has stepped down as President. With the transition to a rotational chairmanship within the board, the foundation is reorganising its structure while continuing its established event series and maintaining a focus on the foundation’s future development.

Christian W. Blaser
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17. October 2024

Bauindustrie zwischen Politischem Mikromanagement und Europäisierung

DEEP DIVE – Auseinandersetzung mit Branchen-Themen: Bauindustrie zwischen Politischem Mikromanagement und Europäisierung Rückblick auf unser Podiumsgespräch im Klybeck Areal am 3. September 2024. Am 3. September 2024 fand im Klybeck Areal ein spannendes Podiumsgespräch statt, das sich mit der Frage beschäftigte, wie die Bauindustrie den Spagat zwischen politischem Mikromanagement und Europäisierung meistern kann. Gastgeberin auf dem Klybeck Areal war Anita Fetz, alt Ständerätin und Verwaltungsrätin der Rhystadt AG. Auf dem Podium waren Hans Peter Wessels, alt Regierungsrat Kanton Basel-Stadt, Gabriela Theus, Geschäftsführerin Immofonds Asset Management AG Zürich sowie Christian W. Blaser, Blaser Architekten Basel. Moderiert wurde das Podium von Manuel Hutter, Verwaltungsrat der Kontur Projektmanagement AG. Anlass für uns, das Gespräch und die Gedanken dieses Abends noch einmal Revue passieren zu lassen...

Anna Stärk
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02. September 2026

Construction while operations continue...

… The invisible logistics behind a hospital renovation. Together with Butscher Architekten, we realised the conversion and refurbishment of the new Privée Ward at Klinik Stephanshorn in St. Gallen. We discussed with Christoph Butscher the challenges involved in logistics, planning and coordination while keeping hospital operations running.

Anna Stärk
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09. July 2025

Building in a Sensitive Environment: A Conversation with Felix Jakob, Managing Director of the Hirsacker Foundation.

The Hirsacker Foundation is a private foundation based in Liesberg, Canton of Basel-Landschaft. By public mandate, it offers places in "Supported Living" as well as in "Accompanied Day Structuring" specifically for people on the autism spectrum. Founded in 1987, more than 60 employees are currently dedicated to enabling clients to lead self-determined and fulfilling lives. Tailored to individual needs, the services include nature-oriented, manual, and creative activities that take place in a safe and supportive environment, focusing on joy of life, development opportunities, and social inclusion. Maintenance work that has become necessary is now being undertaken by Blaser Architects. This encompasses several properties of the Hirsacker Foundation, particularly the "Riederwald" residential building and the "Hirsacker" area. A first sub-project has already been completed, with other works still pending.

Anna Stärk
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02. April 2026

In Focus: Interview with Prof. Raphael Guzman, Head of Clinic and Chief Physician of Neurosurgery at USB

The main campus of the Switzerland Innovation Park Basel Area is home to numerous innovative companies in the biotech and healthtech sectors. The University Hospital Basel also maintains a branch here, offering a forward-looking learning environment through the Skills Lab Simulation Centre. We reached out to Prof. Raphael Guzman, Head of Clinic and Chief Physician of Neurosurgery at the University Hospital Basel, to learn more about the benefits of the new Skills Lab.

Christian W. Blaser
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05. August 2026

Architecture as Guest: Preserving Territory, Inhabiting the Landscape.

As part of the expansion of the «Sonnenfeld» residential development in Oberwil, located on Bielstrasse, we participated in an architectural design competition. Our proposal was recognised as bold, provocative and thought-provoking. For us, this provided an opportunity to reflect on the relationship between territory and architecture and to ask what responsibility architecture must assume within this context.

David Stauffer
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08. July 2026

Sustainable Building Practices

Sustainability in the construction industry is one of the key challenges of our time, while also offering significant opportunities to shape the built environment responsibly and with a long-term perspective. It is a topic that we engage with every day. Whether working on private or commercial developments, small-scale interventions or large, complex projects, the many dimensions of sustainability are an integral part of our planning process and influence a wide range of project tasks. They continue to shape the way we design, plan and build.

Anna Stärk
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25. June 2026

REVISITED: A visit to Taverne Johann after 20 years

With our REVISITED format, we revisit completed projects and ask: How does architecture stand the test of time? Following a single-family house in Witterswil last year, our second visit takes us to Taverne Johann in Basel. More than 20 years after the renovation, Christian and head chef Christoph Hartmann speak again in the video about the interplay between hospitality and space.

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