Diversity and flexibility

The next phase of construction on the Suurstoffi site is due to begin. The three new buildings will provide space for more residents, market researchers and students – and their diversity means they are fit for the future.

The Suurstoffi 16, 18 and 20 buildings will further add to the diversity of the new district. Roughly two-thirds of the new areas will be used for housing, while the rest is earmarked for commercial purposes. Furthermore, in the next phases of realization of the site, the anergy network will be expanded to include a second borehole heat exchanger array comprising 180 borehole heat exchangers.

Mixed use

The School of Information Technology at the Lucerne University of Applied Sciences and Arts (HSLU) will be moving into the Suurstoffi site in 2016. From 2018, some of the approx. 1 000 students will also live on the site. Eight student apartments will be created, each comprising between four and ten rooms plus communal areas: an interlocking environment for living, studying and working. In 2017, GfK Switzerland will follow with about 200 staff: this market research company is moving its Swiss headquarters from Hergiswil to the Suurstoffi site.

The site's tenants look set to be as diverse as its commercial users. As well as providing homes for numerous tenants and a number of owner-occupiers, the Suurstoffi site will also have room for experimental forms of housing. These include cluster apartments: "Each user has a studio with its own kitchenette and en-suite bathroom. There is also a shared kitchen, plus shared outdoor spaces in the internal courtyard or on the roof," explains Tobias Achermann, CEO. This gives tenants the best of both worlds: they can retreat into their own private space or enjoy the company of their house-mates, as they please.

Retaining flexibility

Diversity is the stated aim in the development of the Suurstoffi district, which implies that it must be possible to make changes. The three new buildings have therefore been designed to be highly versatile.

A service package is being planned for all three that will later be rolled out across the whole site. On-site contact persons will make it easier to address everyday needs – from the classic task of asking someone to water the plants while a resident is away on vacation to specific services for elderly residents. "All the apartments are built to meet the needs of disabled people. This means older residents can continue to live there for a long time," says Achermann.

Variety of roofs

The existing specifications for the development of the site also apply to the new construction plot. Zug Estates continues to attach great importance to providing attractive, traffic-free external areas and emission-free operation. The combination of renewable energy production, diverse vegetation and a high-quality living environment is well illustrated by the use of roof areas. In all three buildings, roof areas provide outside spaces for tenants, while at the same time serving as solar power plants. For the Suurstoffi 16 and 18 buildings, the PVT modules are mounted on superstructures which in some cases straddle the roof gardens. This enables otherwise barren roofs to be used in three different ways simultaneously.

Address Suurstoffi 16-20, Rotkreuz
Architect Bob Gysin + Partner, Zurich
Rental space approx. 21 800 m2
Investment sum approx. CHF 110 million
Start of construction Autumn 2015
Occupation Autumn 2017



166 rental apartments, 4 cluster apartments (20 studios) and 8 student apartments (52 rooms), comprising a total rentable area of approx. 15 200 m2


approx. 7 000 m2 of office and commercial space
Anchor tenant GfK to occupy approx. 3 600 m2 as of 2017


168 indoor parking spaces

Energy supply

Number of borehole heat exchangers 180
Average depth of borehole heat exchangers 280 m
Solar panel surface area approx. 500 m2 of PV modules on façade
approx. 1 000 m2 of PVT modules on roofs

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