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Highlights

  • Desirable outdoor spaces: a large garden and a rooftop.
  • Restructured building
  • Panoramic Club space with terrace and professional kitchen on the 11th floor
  • Premium services
  • 99-seat auditorium and meeting rooms
  • Lounges, cocktail bar, and dining room, with professional kitchen and panoramic terrace

All Available Spaces(3)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • Ground, Ste Rez-de-patio
  • 8,030 SF
  • 3/6/9
  • $31.95 /SF/YR HT-HC $2.66 /SF/MO HT-HC $256,557 /YR HT-HC $21,380 /MO HT-HC
  • Office
  • Full Build-Out
  • Now

Bright, functional, and easily adaptable spaces, offering exceptional views of Paris, La Défense, and Saint-Cloud Park.

  • Rental Charges:
    $0.00 /SF/YR $0.00 /SF/MO $7.03 /YR $0.59 /MO
  • Office Tax:
    $2.66 /SF/YR $0.22 /SF/MO $21,380 /YR $1,782 /MO
  • Fully Built-Out as Standard Office
  • Fits 99 People
  • 1 Conference Room
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Elevator Access
  • Raised Floor
  • Natural Light
  • Shower Facilities
  • Smoke Detector
  • Modular open space
  • Capacity of 99 people per floor
  • Security Deposit: 3 months of rent
  • Property Tax:
    $2.34 /SF/YR $0.20 /SF/MO $18,814 /YR $1,568 /MO
  • Mostly Open Floor Plan Layout
  • 99 Private Offices
  • 99 Workstations
  • Can be combined with additional space(s) for up to 21,130 SF of adjacent space
  • Reception Area
  • Closed Circuit Television Monitoring (CCTV)
  • Drop Ceilings
  • Bicycle Storage
  • Food Service
  • Building services access
  • Direct access to interior garden
  • 1st Floor
  • 13,100 SF
  • 3/6/9
  • $40.47 /SF/YR HT-HC $3.37 /SF/MO HT-HC $530,150 /YR HT-HC $44,179 /MO HT-HC
  • Office
  • Full Build-Out
  • Now

Bright, functional, and easily adaptable spaces, offering exceptional views of Paris, La Défense, and Saint-Cloud Park.

  • Rental Charges:
    $0.00 /SF/YR $0.00 /SF/MO $7.03 /YR $0.59 /MO
  • Office Tax:
    $2.66 /SF/YR $0.22 /SF/MO $34,879 /YR $2,907 /MO
  • Fully Built-Out as Standard Office
  • Fits 99 People
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 21,130 SF of adjacent space
  • Reception Area
  • Closed Circuit Television Monitoring (CCTV)
  • Drop Ceilings
  • Bicycle Storage
  • Food Service
  • Building services access
  • Direct access to interior garden
  • Security Deposit: 3 months of rent
  • Property Tax:
    $2.34 /SF/YR $0.20 /SF/MO $30,693 /YR $2,558 /MO
  • Mostly Open Floor Plan Layout
  • 99 Private Offices
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Elevator Access
  • Raised Floor
  • Natural Light
  • Shower Facilities
  • Smoke Detector
  • Modular open space
  • Capacity of 99 people per floor
  • 3rd Floor
  • 13,132 SF
  • 3/6/9
  • $40.47 /SF/YR HT-HC $3.37 /SF/MO HT-HC $531,457 /YR HT-HC $44,288 /MO HT-HC
  • Office
  • Full Build-Out
  • Now

Bright, functional, and easily adaptable floors, offering exceptional views of Paris, La Défense, and Saint-Cloud Park.

  • Rental Charges:
    $0.00 /SF/YR $0.00 /SF/MO $7.03 /YR $0.59 /MO
  • Office Tax:
    $2.66 /SF/YR $0.22 /SF/MO $34,965 /YR $2,914 /MO
  • Fully Built-Out as Standard Office
  • Fits 99 People
  • 1 Conference Room
  • Space is in Excellent Condition
  • Reception Area
  • Closed Circuit Television Monitoring (CCTV)
  • Drop Ceilings
  • Bicycle Storage
  • Food Service
  • Building services access
  • Direct access to interior garden
  • Security Deposit: 3 months of rent
  • Property Tax:
    $2.34 /SF/YR $0.20 /SF/MO $30,769 /YR $2,564 /MO
  • Mostly Open Floor Plan Layout
  • 99 Private Offices
  • 99 Workstations
  • Central Air Conditioning
  • Elevator Access
  • Raised Floor
  • Natural Light
  • Shower Facilities
  • Smoke Detector
  • Modular open space
  • Capacity of 99 people per level
Space Size Term Rental Rate Space Use Build-Out Available
Ground, Ste Rez-de-patio 8,030 SF 3/6/9 $31.95 /SF/YR HT-HC $2.66 /SF/MO HT-HC $256,557 /YR HT-HC $21,380 /MO HT-HC Office Full Build-Out Now
1st Floor 13,100 SF 3/6/9 $40.47 /SF/YR HT-HC $3.37 /SF/MO HT-HC $530,150 /YR HT-HC $44,179 /MO HT-HC Office Full Build-Out Now
3rd Floor 13,132 SF 3/6/9 $40.47 /SF/YR HT-HC $3.37 /SF/MO HT-HC $531,457 /YR HT-HC $44,288 /MO HT-HC Office Full Build-Out Now

Ground, Ste Rez-de-patio

Size
8,030 SF
Term
3/6/9
Rental Rate
$31.95 /SF/YR HT-HC $2.66 /SF/MO HT-HC $256,557 /YR HT-HC $21,380 /MO HT-HC
Space Use
Office
Build-Out
Full Build-Out
Available
Now

1st Floor

Size
13,100 SF
Term
3/6/9
Rental Rate
$40.47 /SF/YR HT-HC $3.37 /SF/MO HT-HC $530,150 /YR HT-HC $44,179 /MO HT-HC
Space Use
Office
Build-Out
Full Build-Out
Available
Now

3rd Floor

Size
13,132 SF
Term
3/6/9
Rental Rate
$40.47 /SF/YR HT-HC $3.37 /SF/MO HT-HC $531,457 /YR HT-HC $44,288 /MO HT-HC
Space Use
Office
Build-Out
Full Build-Out
Available
Now

Ground, Ste Rez-de-patio

Size 8,030 SF
Term 3/6/9
Rental Rate $31.95 /SF/YR HT-HC
Space Use Office
Build-Out Full Build-Out
Available Now

Bright, functional, and easily adaptable spaces, offering exceptional views of Paris, La Défense, and Saint-Cloud Park.

  • Rental Charges:
    $0.00 /SF/YR $0.00 /SF/MO $7.03 /YR $0.59 /MO
  • Security Deposit: 3 months of rent
  • Office Tax:
    $2.66 /SF/YR $0.22 /SF/MO $21,380 /YR $1,782 /MO
  • Property Tax:
    $2.34 /SF/YR $0.20 /SF/MO $18,814 /YR $1,568 /MO
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 99 People
  • 99 Private Offices
  • 1 Conference Room
  • 99 Workstations
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 21,130 SF of adjacent space
  • Central Air Conditioning
  • Reception Area
  • Elevator Access
  • Closed Circuit Television Monitoring (CCTV)
  • Raised Floor
  • Drop Ceilings
  • Natural Light
  • Bicycle Storage
  • Shower Facilities
  • Food Service
  • Smoke Detector
  • Building services access
  • Modular open space
  • Direct access to interior garden
  • Capacity of 99 people per floor

1st Floor

Size 13,100 SF
Term 3/6/9
Rental Rate $40.47 /SF/YR HT-HC
Space Use Office
Build-Out Full Build-Out
Available Now

Bright, functional, and easily adaptable spaces, offering exceptional views of Paris, La Défense, and Saint-Cloud Park.

  • Rental Charges:
    $0.00 /SF/YR $0.00 /SF/MO $7.03 /YR $0.59 /MO
  • Security Deposit: 3 months of rent
  • Office Tax:
    $2.66 /SF/YR $0.22 /SF/MO $34,879 /YR $2,907 /MO
  • Property Tax:
    $2.34 /SF/YR $0.20 /SF/MO $30,693 /YR $2,558 /MO
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 99 People
  • 99 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 21,130 SF of adjacent space
  • Central Air Conditioning
  • Reception Area
  • Elevator Access
  • Closed Circuit Television Monitoring (CCTV)
  • Raised Floor
  • Drop Ceilings
  • Natural Light
  • Bicycle Storage
  • Shower Facilities
  • Food Service
  • Smoke Detector
  • Building services access
  • Modular open space
  • Direct access to interior garden
  • Capacity of 99 people per floor

3rd Floor

Size 13,132 SF
Term 3/6/9
Rental Rate $40.47 /SF/YR HT-HC
Space Use Office
Build-Out Full Build-Out
Available Now

Bright, functional, and easily adaptable floors, offering exceptional views of Paris, La Défense, and Saint-Cloud Park.

  • Rental Charges:
    $0.00 /SF/YR $0.00 /SF/MO $7.03 /YR $0.59 /MO
  • Security Deposit: 3 months of rent
  • Office Tax:
    $2.66 /SF/YR $0.22 /SF/MO $34,965 /YR $2,914 /MO
  • Property Tax:
    $2.34 /SF/YR $0.20 /SF/MO $30,769 /YR $2,564 /MO
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 99 People
  • 99 Private Offices
  • 1 Conference Room
  • 99 Workstations
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Reception Area
  • Elevator Access
  • Closed Circuit Television Monitoring (CCTV)
  • Raised Floor
  • Drop Ceilings
  • Natural Light
  • Bicycle Storage
  • Shower Facilities
  • Food Service
  • Smoke Detector
  • Building services access
  • Modular open space
  • Direct access to interior garden
  • Capacity of 99 people per level

Property Overview

Beautifully restructured building, Iléo. Ideally located along the Seine in Boulogne, Iléo offers a premium work environment at the heart of a dynamic and sought-after business district. Its expansive glass facades maximize natural light, creating pleasant and inviting spaces. The building features high-quality amenities (restaurant, meeting rooms, fitness facilities) and attractive outdoor areas, including a large garden and a rooftop. The leased spaces provide access to all the building's service areas (nearly 8,600 sq. ft., available to all tenants), which can be reserved: auditorium, meeting rooms, and reception space on the 11th floor (lounges, cocktail bar, dining room with professional kitchen, and panoramic terrace). Its excellent accessibility (metro, bus, major roadways) further enhances its appeal. The building is HQE-certified. Features: - Landscaped garden, community vegetable garden, and terrace - Visitor reception, events, and concierge services - On-site security desk and maintenance staff - Lobby & lounge area with seating and coffee bar - Dining spaces with corporate restaurant and cafeteria - Spacious, bright, and functional office floors - Panoramic views from upper floors - Locker rooms & showers - Raised technical flooring and suspended ceilings - Air conditioning - Elevators and freight lifts - Capacity of 99 people per floor - Panoramic Club space with terrace and professional kitchen on the 11th floor - 99-seat auditorium and meeting rooms

  • Atrium
  • Fitness Center
  • Food Service
  • Reception
  • Fiber Optic Internet

Property Facts

Building Type
Office
Year Built/Renovated
1976/2010
LoopNet Rating
4 Star
Building Height
12 Stories
Building Size
38,933 SF
Building Class
A
Typical Floor Size
16,146 SF
Parking
258 Surface Parking Spaces

Energy

Learn more about this property

Energy performance diagnosis (EPD)

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Consumption (primary energy): Unavailable

Greenhouse gas (GHG) emission index

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Emissions: Unavailable

Geohazards

Information about risks relating to this property can be found at https://www.georisques.gouv.fr/.

  • Listing ID: 39445329

  • Date on Market: 6/22/2026

  • Last Updated:

  • Address: 27-33 Quai Alphonse Le Gallo, 92100 Boulogne-Billancourt

EtageBâtimentSurfaceDisponibilitéLoyerCharges
Rez-de-jardin434 m²Immédiate280 €/m²/an66 €/m²/an
Rez-de-patio746 m²Immédiate300 €/m²/an66 €/m²/an
1er1217 m²Immédiate380 €/m²/an66 €/m²/an
3ème1220 m²Immédiate380 €/m²/an66 €/m²/an
Total3617 m²
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