Duo Werk GmbH in Wilderswil – Your Partner for Timber Construction, Sanitary Systems, Heating, Roofing and Renovations Duo Werk GmbH in Wilderswil stands for high-quality craftsmanship, precise execution and comprehensive construction expertise from a single source. As a reliable service provider in the Bernese Oberland, we offer a wide range of services including timber construction, sanitary installations, heating systems, roofing, renovations, refurbishments, interior finishing and the installation of modern roof windows. Timber Construction – natural, durable, individual Whether new construction, renovation or a stylish extension: our timber construction specialists design and build structures that combine functionality and aesthetics. From carports to complex timber houses – we implement your ideas using stable and sustainable timber construction methods. Sanitary Installations – modern & reliable We install and renovate sanitary systems that offer maximum comfort. From bathroom renovations to complete installations in new buildings, Duo Werk GmbH ensures long-lasting solutions and professional execution. Heating Systems – efficient thermal technology for your home With modern heating systems such as heat pumps, wood heating systems or traditional solutions, we create a pleasant indoor climate. We offer personalised advice on energy efficiency and cost optimisation. Roofing – protection and quality Our roofing experts ensure that your roof withstands all weather conditions. Whether pitched roof, flat roof or complete roof renovation – we work precisely, safely and sustainably. Renovations & Refurbishments – preserving the value of your property From small-scale renovations to complete refurbishments: we modernise buildings professionally, energy-efficiently and with great attention to detail. This increases the value and lifespan of your property. Interior Finishing – creating spaces to feel at home With tailored interior finishing, we create living spaces that match your vision. Whether walls, floors, ceilings or custom-made elements – we implement creative solutions with skill and precision. Roof Windows – light, air and comfort Modern roof windows bring natural light into your attic, improve the indoor climate and enhance overall living comfort. We provide expert advice and take care of the planning and energy-efficient installation. Duo Werk GmbH – Quality, reliability and craftsmanship from the Bernese Oberland As a locally rooted company in Wilderswil, we place great importance on personalised consultation, clean workmanship and durable results. Whether new construction, renovation or repair – we are your reliable partner. Contact us for a non-binding consultation!

Sehr gute Arbeit, freundliche Mitarbeiter, kompetente Beratung. Kann ich guten Gewissens weiter empfehlen

Sehr kompetent in allen Belangen! Sehr gute Termintreue! Ausgezeichnete Fachkompetenz! Sehr gutes Preis / Leistungs-Verhältnis

Die Kurt Senn AG wird von Leuten geführt die ihre Arbeit leidenschaftlich machen, das bemerkt man an der Qualität!