The Window,
Colonial’s “Prime Factory” project

New and exclusive constructions.
Prized locations in major cities across Europe.
Signature architectural designs.
Unique, exquisite, and meticulously-designed properties.
Excellence in each and every detail.
An unparalleled and memorable experience.

A unique and memorable concept

The Window was designed to become an undisputed icon of the office world. Its signature architectural design is the masterful work of ORTIZ LEÓN Architects, who incorporated their trademark terraces and gardens into the different floors, and used the latest cutting-edge materials.
The result is The Window, a space that invites us to imagine, think and create.

Hold important business meetings in the middle of a landscaped garden

One could say that architecture is the art of turning four walls and a roof into a unique setting, wired to generate emotions, to inspire, and to make us want to create, think and work. The Window achieves exactly this qualities that are paramount for capturing and retaining talent.

_More than 600 metres of landscaped gardens.
_Electric car recharging points.
_Bicycle parking spaces.
_Efficient, flexible and optimum (VRV) air conditioning system.
_Smart lighting control system and Facility Management installations.
_Internal courier service.
_Loading and unloading area.
_Facial recognition access control system.

Marvel in a space where natural light floods each and every corner…

The Window’s design offers flexibility, multiple alternatives and the possibility of creating a multitude of office layouts. With just one row of pillars, its floors are open-plan, spacious and incredibly welcoming.
Filled with natural light and boasting far-reaching views, the property has been built using cutting-edge technology, carefully mapped out so that every single square metre offers an unbeatable, high quality, professional work environment.

Occupancy efficiency

Ocupancy of
1,504 sqm

The Window

7-floor building


of optimization

Surface area for
209 job positions

The Window

7-floor building


of optimization

Total surface area

11,368 sqm + 685 sqm of terrace space


115 parking spaces

Floor 8

436.3 + 80 sqm of terrace space

Floor 7

812.3 + 441 sqm of terrace space

Floor 6

1,546 sqm

Floor 5

1,622.4 sqm

Floor 4

1,594.1 sqm

Floor 3

1,504.5 sqm

Floor 2

1,542.2 sqm

Floor 1

1,273.7 + 153 sqm

Floor b

1,036.5 sqm of terrace space

The seal that certifies our resolute commitment to sustainability

The Window Building has been designed to obtain the LEED Gold NC certification. This prestigious certification guarantees the most exacting of standards in terms of material selection, the construction process and the consumption of natural resources and energy. The main advantages of a LEED Gold NC building include:


Companies located in LEED certified buildings have a higher index of talent retention and greater productivity.


Increased levels of natural light and better air circulation generate healthier environments.

Brand image / CSR

This certification adds additional value to a company’s brand identity and to its Corporate Social Responsibility policy.


Consumption is up to 25% lower compared to conventional buildings. Floor plans courtesy of 3G Office.

The Window: on the doorstep of everything

From The Window Building to:

Avenida de América interchange

minutes walking

Paseo de la Castellana

minutes driving

minutes on public transport

minutes walking

Four Towers
Business Area

minutes driving

minutes on public transport

Azca Business Area

minutes driving

minutes on public transport

Adolfo Suárez Madrid-Barajas Airport

minutes driving

minutes on public transport

Chamartín station

minutes driving

minutes on public transport

Atocha station

minutes driving

minutes on public transport


The space where ideas, passion and knowledge fuse to become a reality

Utopicus, part of the Colonial family since 2017, has been operating in the flexible work and co- working space sector for more than 8 years, offering the market a new workplace concept as a service to help companies with the cultural and digital transformation.

Utopicus occupies several floors in The Window Building and offers its services to all of the building’s residents and users.


We help you connect

_Our team promotes networking among members.
_Work pooling.


We offer you a broad range of experiences

_Recreational and cultural activities.
_Ongoing workshops.
_Promotion of hobby/interest groups.
_Language classes and conversation sessions.
_Yoga sessions.
_Mindfulness sessions.
_Healthy gastronomic spaces.

Your space, your health

_Filtered air in all the spaces.
_Independent temperature control in all the spaces.


We provide consulting and much more

_Reception and handling of calls.
_Technical IT support service.
_Address for legal and tax purposes.
_Financial advising.
_Accounting, legal and tax advice without having to leave your own space.


We work with organisations to create ecosystems that promote innovation and collaboration within the Company and with the stakeholders, through:


We design innovative and functional workspaces that promote collaborative working and encourage people to adopt new methodologies.


We create ad hoc itineraries to foster the talent of tomorrow’s professionals.


We organise events and experiences to drive and connect the ecosystem via activities that inspire and transform people.


We facilitate open innovation sessions and programmes to develop new business ideas.

/ Offices / Room rentals

Utopicus offers companies offices with terrace spaces with a capacity for 100 people and more than 160 flexible and fixed workstations.

It also offers its clients meeting rooms, training and events, an auditorium and virtual office services.

Download the info on PDF


Madrid offices:

+34 917 820 880
Pº de la Castellana, 52 · 28046 Madrid

Barcelona offices:

+34 934 047 900
Av. Diagonal 532 · 08006 Barcelona