Projects / Werkbundsiedlung - First 2 Houses

Werkbundsiedlung - Pattern Renovation
House Veitingergasse 85 by Arch. Josef Hoffmann
3 Houses Woinovichgasse 60 - 20 by Arch. Gerrit Thomas Rietveld

Restoration Objectives

The goal of the project is to preserve the diverse qualities of the original structures while at the same time bring the buildings up to contemporary and damage-free standards. Particular attention was paid to the position of the Werkbundsiedlung as a historically significant ensemble of modern architecture in Austria. Therefore, as much of the existing structure has been preserved and protected for the future. In many places, the original building materials had to be uncovered from years of over-plastering or layers of covering. The visible surfaces were restored with the same materials and techniques as during the original construction in 1932.

Restoration Measures

The restoration measures include: Refurbishing and partially exposing the original plaster surfaces; retrofitting windows and doors; renovating floors, walls and ceilings; remodeling bathrooms; reinstalling plumbing and electrical systems; repairing banisters and handrails; as well repairing outdoor areas including fences and gates. In the houses designed by Gerrit Rietveld, variations of the ground floor layout were implemented based on his original designs – as documented in sketches and letters by Rietveld – but which had not been originally carried out in 1932.

Thermal Retrofit

Such sensitive building projects must carefully take into consideration the issue of improving thermal efficiency. The planning team developed a set of combined measures which reduce heating costs by approximately 50% without the need for insulating facades and simultaneously ensuring no condensation build-up in the apartments. In particular, these measures included: insulating roofs and terraces with tapered insulation; insulating below-ground walls; retrofitting the existing windows with high quality thermal K-glass and silicone seals and installing a heat recovery ventilation system, high-efficiency gas condensing boilers and drainage measures.

Energy efficiency:
Hoffmann House:  160.59 Kwh / m2y (from 292.07 to 131.49 Kwh / m2pa)
Rietveld House:   95.43 kWh / m2y (from 197.54 to 102.11 Kwh / m2pa)

Project Partners

Restoration of architectural facades: Plan B - Konzepte für die Restaurierung
Restoration of timber structures: Mag. Peter Kopp – Restauratoren GmbH
Restoration of metal components: ARGE Objektrestaurierung
Restoration of linoleum: Klampfl Gmbh & CoKG
Building physics: Architekt Markus Gutmann
Electrical engineering: Ingenieurbüro Klement
Building services: Glaninger
Statics: Werkraum Wien
Masonry inspection: DI Dr Karl-Heinz Steininger


Further information:

Client WISEG Wiener Substanzerhaltungsg.m.b.H. & Co KG
Address Veitingergasse 85, Woinovichgasse 16 - 20, Vienna, 1130
Usable Space ...
Units Two residential buildings
Project Status Completed 2012, First part of the Renovationproject Werkbundsiedlung
Project Team P.GOOD Architects Team: Arch DI Waltraud Derntl (inkl. Örtliche Bauaufsicht), DI Julia Eibel, DI Thomas Held, DI Nicole Kirchberger, ua.