Herzog & de Meuron
Competition
2021

In 2021, Herzog & de Meuron was invited to participate in a competition for the Coastal Front Condos on the Aghios Kosmas peninsula at the southern edge of Athens. The project is part of the Hellinikon masterplan that brings radical urban change through the transformation of a former airport into a new mixed-use metropolitan hub. Along with the reactivation of the coastline and the introduction of new urban axes, a landscaped park forms the heart of the new neighborhood and will become the largest coastal park in Europe. The Coastal Front Condos residential project consists of four urban plots running parallel to the coastline, bordered on the west by a zone of beach-front villas and on the east by the new Poseidonos Avenue. It comprises over 120 apartments with a total gross floor area of 22’500 square meters.

The overall concept for the project aims to maximize views to the sea by concentrating the building mass in one single elevated linear structure, leaving a generous common garden on the opposite side. Pilotis free up the ground plane, allowing the landscape to flow beneath the buildings while creating a generous entrance and open views from east to west. Courtyards and lightwells penetrate the apartment floors, bringing light to the inner areas while providing private outdoor spaces that complement the generous balconies along the outer facades. Pilotis, the multitude of courtyard spaces allowing for a strong connection from inside to outside, and a bright and natural material palette reflect the local building traditions and specificity of Athens and Greece.

Each building is comprised of a series of different modules following a rational structural grid; every module contains a set number of apartments of different sizes, all sharing a common entrance and vertical circulation. The Patios are the main feature of the interior of the units – a private courtyard brings daylight deep into the space, offers a shaded intimate outdoor space and provides access to the roof terraces. Patios are designed for full privacy. The roof garden has a common swimming pool to be enjoyed by all tenants, as well as private terraces for individual apartments, that offer an unobstructed panoramic view to the sea, the mountains, and the city center of Athens.

The same architectural language is used across all four plots to create a recognizable and specific identity for the entire project. Projecting balcony slabs provide passive sun protection to the fully glazed facades. This horizontality is broken by a series of vertical programmatic, circulation and structural elements that give the buildings their expressive sculptural quality. The balconies are designed as a standardized system of structural steel frames hidden in the party walls between each apartment. These walls can be individually complemented with different elements such as jacuzzis, planters, benches or stairs giving direct access to the garden.

Beyond the common architectural massing and engineering principles, a shared material language is used throughout. The bright and warmly colored mineral finish, fully glazed timber framed façade openings, and marble terrazzo flooring refers to the traditional color and material palette of the Greek coastal areas.

567_CI_2104_004_Park_Day_K
567_CI_2104_004_Park_Day_K

567_CI_2104_117

567_CI_210418_026_Interior_courtyard_Night_K
567_CI_210418_026_Interior_courtyard_Night_K
567_CI_210419_001_Aerial_K
567_CI_210419_001_Aerial_K
567_CI_2104_002_Poseidonos_Crossing
567_CI_2104_002_Poseidonos_Crossing
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567_CI_2104_110
567_CI_210413_008_Entrance_Stairs_DOWN_K
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567_CI_210418_016_Interior_Kitchen_K
567_CI_210418_016_Interior_Kitchen_K
567_CI_2104_015_Interior_courtyard_Night_K
567_CI_2104_015_Interior_courtyard_Night_K
567_CI_210414_023_Roof_Terrace_K
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567_CI_2104_111
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567_CI_210419_009_Interior_Balcony_K
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567_CI_210414_010_Balcony_Jacuzzi_K
567_CI_210414_010_Balcony_Jacuzzi_K
567_CI_210413_021_Bathroom_K
567_CI_210413_021_Bathroom_K
567_CI_210416_003_Sides_Sunset_K
567_CI_210416_003_Sides_Sunset_K

Process

567_RF_230101_Milk-Conch-Strombus-Coststus-Seashell
567_RF_230101_Milk-Conch-Strombus-Coststus-Seashell
567_DG_230101_BUILDING-ELEMENTS_BALCONIES
567_DG_230101_BUILDING-ELEMENTS_BALCONIES
567_MO_230101_THE-BUILDING-MODULES_1
567_MO_230101_THE-BUILDING-MODULES_1
567_MO_230101_THE-BUILDING-MODULES_2
567_MO_230101_THE-BUILDING-MODULES_2
567_CI_230101_Facade
567_CI_230101_Facade
567_CI_2104_109
567_CI_2104_109

Drawings

567_DR_230101_Poseidonos-Webpage-3_K
567_DR_230101_Poseidonos-Webpage-3_K
567_DR_230101_Poseidonos-Webpage-61_K
567_DR_230101_Poseidonos-Webpage-61_K
567_DG_230101_URBAN_CONCEPT_002
567_DG_230101_URBAN_CONCEPT_002
567_DG_230101_URBAN-CONCEPT-TO-ARCHITECTURE
567_DG_230101_URBAN-CONCEPT-TO-ARCHITECTURE
567_DG_230101_BUILDINGS-PER-PLOT_6B
567_DG_230101_BUILDINGS-PER-PLOT_6B
567_DG_230101_PLOT-6B_SECTIONS-AND-ELEVATIONS
567_DG_230101_PLOT-6B_SECTIONS-AND-ELEVATIONS
567_DG_230101_5-APARTMENT-UNIT
567_DG_230101_5-APARTMENT-UNIT

Team

Partners
Project Team

Facts

Client
Lamda Development S.A.
Planning
Design Consultant : Herzog & de Meuron Basel Ltd, Basel, Switzerland
Executive Architect : Betaplan, Athens, Greece
MEP Engineer: ARUP, London, United Kingdom
Structural Engineer: ARUP, London, United Kingdom
Landscape Architect: Doxiadis Plus Ltd., Athens, Greece
Specialist / Consulting
Sustanability Consultant: ARUP, London, United Kingdom
Building Data
Site Area: 364'325 sqft, 33'847 sqm
Gross floor area (GFA): 148'444 sqft, 13'791 sqm
GFA above ground: 91'073 sqft, 8'461 sqm
GFA below ground: 30'052 sqft, 2'792 sqm
Outside Facilities: 27'318 sqft, 2'538 sqm