CornerStone Building is a Grade A office building located at 16 Phan Chu Trinh, Cua Nam Ward, Hoan Kiem District, Hanoi. Developed by VIB Ngo Gia Tu Company with a total investment of over VND 1,000 billion, completed in 2012. The building was designed by two international firms – Archipel (France) handling the overall concept and DWP (Australia) responsible for the façade and landscaping – and was originally constructed to serve as the headquarters of Vietnam International Bank (VIB). The current property manager is VIBank – NGT Limited Company.
The building’s architecture blends a semi-classical style with French romantic influences and contemporary elements – a deliberate design choice given its dual role as both a bank headquarters and a Grade A office tower. The façade is finished in premium materials with large-format imported glass on all four sides, maximizing natural light. The building is surrounded by green landscaping and decorative gardens, setting it apart from most other Grade A buildings along the Hoan Kiem corridor.
In October 2025, CornerStone Building achieved LEED Platinum certification for Operations & Maintenance – accompanied by the first-ever solar power system deployed for a Grade A office building in Hanoi, as part of a transition roadmap toward 100% zero-emission electricity.
Located directly adjacent to the Ministry of Finance headquarters, 400 m from the Hanoi Opera House, 800 m from Hoan Kiem Lake, and within 1 km of Sofitel Legend Metropole, CornerStone Building connects conveniently to major arterials including Hai Ba Trung, Ly Thuong Kiet, Ngo Quyen, and Tran Hung Dao.
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Criteria
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Details
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Developer
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VIB Ngo Gia Tu Company
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Design firms
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Archipel (France) + DWP (Australia)
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Property Manager
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VIBank – NGT Limited Company
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Address
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16 Phan Chu Trinh, Cua Nam Ward, Hoan Kiem District, Hanoi
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Building Grade
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Grade A
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Year of Construction
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2012
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Green Certification
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LEED Platinum (Operations & Maintenance, October 2025)
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Building Scale of CornerStone Building
CornerStone Building comprises 14 above-ground floors and 3 basement levels, with a total leasable area of 25,893 m². The typical floor plate of ~2,000 m² is one of the largest in the Grade A segment in Hoan Kiem – divisible into up to 16 separate spaces per floor, or available for lease from 50 m² up to a full floor. Ceiling height is 2.65 m, with a floor load capacity of 450 kg/m².
Floor allocation by function
- Basement B1-B3: Car park – 13,890 m², capacity 215 cars and 755 motorcycles
- Floor 1: VIB Bank (main headquarters); café and restaurant; escalators connecting Floors 1-3; accessible restroom for persons with disabilities
- Floors 2-3: Escalator connection zone
- Floors 4-14: Grade A leasable office space
Technical specifications
The elevator system comprises 8 Mitsubishi elevators (Thailand origin, supplied by TLE Group): 4 Nexiez MR units at 1,350 kg capacity and 3 Elenessa AP2 units at 1,275 kg capacity for passengers, plus 1 Elenessa AP2 freight elevator at 1,600 kg capacity – all operating at 105 m/min. Central air conditioning by Trane, complimentary during business hours. The elevator core is positioned at the floor center, optimizing usable area and facilitating convenient connectivity for tenants leasing multiple consecutive floors.
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Specifications
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Details
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No. stories
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Ground 14 Stories + Basement 3 Stories
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Total leasable area
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25,893 m²
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Typical floor plate
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~2,000 m²
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Minimum leasable area
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50 m²
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Ceiling height
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2.65 m
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Floor load capacity
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450 kg/m²
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Elevator
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8 Mitsubishi elevators: 4 units (1,350 kg) + 3 units (1,275 kg) + 1 freight elevator (1,600 kg), 105 m/min
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Escalator
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Floors 1-3, main lobby
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Cooling
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Trane central AC, complimentary during business hours
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Backup power
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100% capacity
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Solar power
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Equipped – first application for a Grade A office in Hanoi
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Fire protection
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International standards – smoke/heat detectors + full-floor alarm system
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Parking area
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13,890 m² (215 cars + 755 motorcycles)
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Operating hours
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8:00-18:00 Mon-Fri; 8:00-12:00 Sat
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Amenities and Services at CornerStone Building
CornerStone Building operates to Grade A standards with a professional management team and one of the largest car parks in Hoan Kiem. Its most distinguishing features compared to other buildings in the same segment are the dedicated tea room (pantry) and smoking room on every floor – operational details rarely found in Grade A buildings – along with VIP restrooms fitted with Toto fixtures.
Property management services
- Professional reception at the main lobby
- 24/7 indoor and outdoor security patrols with access and cargo control; full-building surveillance cameras
- Professional-standard daily cleaning of all common areas
- Full internet connectivity via Viettel, VNPT, and FPT providers
- Regular maintenance and upkeep; smart building management
- Operating hours: 8:00-18:00 Monday to Friday; 8:00-12:00 Saturday
On-site amenities
- VIB Bank (Floor 1) – VIB’s main headquarters located within the building; serving the direct financial transaction needs of all tenant businesses
- Café and restaurant (Floor 1) – Diverse dining options for staff and visiting clients, conveniently located in the main lobby area
- Tea room (pantry) – Dedicated pantry on every office floor
- Smoking room – Separate designated smoking area on every floor, preventing impact on shared working spaces
- Premium restrooms – Toto brand fixtures throughout; dedicated VIP restroom on each floor; accessible restroom for persons with disabilities on Floor 1
- Car park – 3 basement levels totaling 13,890 m², capacity 215 cars and 755 motorcycles; the largest parking facility among Grade A buildings on the Hoan Kiem corridor
For specific pricing by floor area and floor level, contact RSQUARE – a professional office leasing consultancy in Hanoi – for free consultation and full support throughout the process, from site visits to lease signing.
RSQUARE Phone: +84-28-3636-9641 (Vietnamese/English) | +82-2-6925-3298 (Korean) Email: support@rsquare.vn
