Illnau-Effretikon (ZH) Bereuter TU builds 44 apartments The "Bellis" development is being built in Illnau-Effretikon to designs by Staufer & Hasler Architekten. You need to be logged in to view this content. Please Log In. Not a Member? Join Us Annual subscription "IB+ Database" CHF 95.00 incl. VAT Add to cart