Imagine a place where work, leisure, and relaxation come together seamlessly
Welcome to SQUARE 42, a 20,000 m² architectural masterpiece in the heart of Belval. Developed by Atenor Luxembourg in partnership with CORES Development, SQUARE 42 sets new standards for sustainable office spaces, particularly with its innovative wooden structure.
Enjoy a meal at a premium restaurant, stay active in the fitness area, or collaborate in vibrant coworking spaces. And when you need a break, the rooftop oasis offers breathtaking views.

Sustainability and wellbeing
Square 42 is in harmony with Atenor’s policy to develop office space that meets the highest environmental and comfort standards. With its roof garden, terraces, a vast patio and green spaces and a calm atmosphere, Square 42 has been designed to offer companies and their employees far more than just offices.
The technical facilities will ensure, without the use of any fossil fuels, energy efficiency and comfort to users, in accordance with the European Taxonomy and the carbon footprint reduction objectives set by the European Commission by 2030-2050. Square 42 also aims to achieve the BREEAM Excellent and WELL Gold certifications

With the permit received, delivery is set for 2027. SQUARE 42 isn’t just a building; it’s a vision for a sustainable, thriving future.

In the heart of Belval, just 5 minutes from the station, Twist is laid out in the form of an island, with a base of shops and offices on which a 9-storey residential building is built on one side and a 5-storey office building on the other.
Developed in cooperation with the firm of Steinmetzdemeyer Architectes Urbanistes, TWIST stands out for its town planning and architectural qualities and originality. It will be laid out in the form of a block with a base of retail outlets on which a mixed, 9-storey office and residential building will be erected. A garden will be landscaped on the roof of the residential building.
A real commercial success: 100% of the flats have been sold.
All the offices are leased to the Luxembourg Ministry of Finance, which has an option to buy, for the Statec. The option exercise date is 31 August 2024.


Sustainability and well-being : . TWIST aims to obtain the BREEAM “Excellent” and WELL “Platinum” certifications and will be EU Taxonomy aligned.

The Kyklos project will be the last building to shape the Central Square District around the Place des Bassins. Organised around a circular core, with bold curvilinear geometry and large glass façades, the project will offer a working and living environment over 8 floors that meets the highest standards. This real estate project provides for more than 7,600 sq.m. of offices as well as commercial spaces at the foot of the building. A 10-year lease agreement has already been signed with Arηs Group for the occupancy of all the offices.

The building permit application will be submitted in June 2024