
Final phase at Calslaan
The completion of the works at Calslaan Oud is getting closer — in just under a month, the project will be finished. Until then, we are continuing to work hard together on the final phase of the project. Over the…

The completion of the works at Calslaan Oud is getting closer — in just under a month, the project will be finished. Until then, we are continuing to work hard together on the final phase of the project. Over the…


A lot has been happening on site! This week we’re continuing with finishing the first walls and installing the new power outlets. Outside, work is also in full swing: joint repair works are ongoing, roofing works continue, and the replacement…

After seven months of hard work, this complex has been completely upgraded. The biggest change? It’s now gas-free and connected to district heating – a huge step toward sustainable living. Fresh cream-white facades, brand-new kitchens, modern ventilation, faster internet, and…


The upgrade of Calslaan 11 is moving ahead at full speed – and it clearly shows on site. The Isowall walls are in place and the first plastic window frames have been installed. Indoors, we’re making excellent progress as well:…

Ons Verbond Trebbe has started preparing for the Upgrade of the Pyramids and Mastabas, the third phase of the Campus Upgrade. Because these are historic buildings, we are taking a careful approach. Inspections, studies, and input from students are being…

The Christmas holiday is just around the corner. From Friday, December 19, we at Ons Verbond will close the construction site. We will be back on Monday, January 5. We wish you happy holidays, a wonderful New Year’s celebration, and…

Upgrade news Campuslaan Hoog: we’re right on schedule! Most of the new uPVC window frames have already been installed. This means we’ve now started placing the first inner wall panels – giving your room extra warmth and comfort soon. Every…

The first steps have been taken by Dura Vermeer: old pipes have been removed from the crawl spaces, and inside, all outdated elements—from ductwork and kitchen units to radiators, bathroom tiles, and sanitary fixtures—have been cleared out. The building is…

The kitchen at Calslaan 9 is really starting to take shape. All the old, unusable items have been removed to make way for new ones. New wall tiles have been installed, there’s a new stove with oven, and everything is…

While Ons Verbond is actively working on the Calslaan Oud and Campuslaan Hoog projects, preparations have also begun for the upgrade of the Pyramides and Mastaba’s. The Upgrade will be carried out by construction company Ons Verbond | Trebbe. Over…