Twenty One


Valmas Motors Inc


In August 2017 we worked with Valmas Motors Inc in order to create the new ‘face’ of the brand for the next years to come. We stripped the building from the old facade and parking area and constructed a new metal facade in the line of the company’s theme.

Cucunari Store Athens

Store 2

We are proud to have worked with Cucunari for the first store that the brand opened in Athens. A lot of custom work went into this project especially in furniture, acrylic cases and brass coffee silos. Cucunari store offers premium nuts, handmade chocolate and nut bars as well as organic […]

Tesoro Mio Italian Restaurant


In June 2014 we commenced work in the center of Kifissia for a new Italian restaurant. With an area of 200 sq. meters a very modern  interior decoration was created. A reference point of the venue is the stone wall construction which was made on site and consists. At the floor, […]

Farmers Republic

Farmers Republic

Farmers Republic Roofed producers’ market, grocery, kitchen Architectural design NaNt Architects (Nikos Alexiadis, Nikos Tourtoglou) 30, N. Trypia St., Nea Philadelphia 2107787583, 6936794616 / Construction Twenty One Constructions General Information Location: 23rd km. N.R. Athens – Lamia, 1, Chiou St., Kryoneri Surface: 1,200 m2 Materials: wood, metal, textile It […]

Photo album

Audi S-Line office chairs by Twenty One

A selection of photos tagged with #twentyoneconstruction in Instagram. Photos include some of our projects as well as candid photos during construction.  

Before and after photos


In the following photos you may see some examples of the transformation that may result from simple interventions on marbles at the entrances of residential buildings and the wooden floor in offices at Kolonaki.

Glazing’s insulation


Eco-friendly insulation works During the project implementation at an existing building, we noticed that there were significant thermal losses by the glass part of the roof, which did no longer serve for sunlight penetration. Despite the fact that the glasses were double-glazed and they were covered with reflective membrane, there […]

Triumph store at Avenue Mall


Construction of a new Triumph store at Avenue Mall, Marousi. The new underwear store of the famous Swiss company was constructed in 115 m2. We especially strived to take advantage of as much surface as possible in order to display the company’s products.  Around the space there are storage cupboards […]

Design insipiration

All in one

Ideas for your home and office.



In March 2013 we were given the opportunity to build a challenging project in the center of Kifissia. At the shopping center Mela and in an area of 400 sq. meters a trademark for the region and the field of interior decoration was created. In cooperation with K Studio, which […]