What is Grade A Office Space? Building Classification Types

Grade A office is the highest quality rental office type

Grade A offices are high-quality office spaces typically distinguished by their location, building quality, floor plate design, technical systems, property management, and amenities. Compared with Grade B and Grade C offices, Grade A buildings generally meet higher standards for building specifications and services. However, businesses should assess each building based on their operational requirements, space needs, and actual budget before making a leasing decision.

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1. Grade A Office Space?

A Grade A office is a high-quality office category in the commercial real estate market, typically assessed based on multiple factors, including location, building quality, floor plate efficiency, technical systems, property management, and amenities.

Grade A office buildings are premium office properties
Grade A office buildings are premium office properties

Grade A offices are often preferred by businesses with higher requirements for the working environment, operational standards, employee and client experience, and corporate image. However, company size alone does not determine whether a Grade A office is the right choice.

In Vietnam, the classification of offices into Grade A, Grade B, and Grade C is primarily used to compare building quality within the office market, rather than as a mandatory certification applied uniformly to every development. Therefore, the “Grade A” designation should be treated as an initial screening reference before businesses assess the specific criteria and specifications of each building.

2. How do Grade A, B, and C offices differ?

The main differences between Grade A, Grade B, and Grade C offices lie in overall building quality, operational standards, location, and rental costs. A higher office grade generally comes with better building specifications and services, although it may not be the most suitable option for every business.

2.1 Characteristics of Grade A offices

Grade A offices are typically located in prime CBD locations or well-connected commercial and office districts. These buildings generally offer high standards across floor plate design, technical systems, common areas, amenities, and property management.

Grade A offices are typically located in prime CBD areas
Grade A offices are typically located in prime CBD areas

2.2 Characteristics of Grade B offices

Grade B offices generally offer good building quality and operational standards, with convenient locations that are not necessarily within the core CBD. This segment is suitable for businesses seeking a balance between workplace quality, office space, and rental budget.

2.3 Characteristics of Grade C offices

Grade C offices primarily meet basic requirements for workspace and day-to-day operations. Rental rates are generally lower than those of Grade A and Grade B offices in the same area, making this segment suitable for businesses focused on cost control or those with less demanding requirements for building systems and amenities.

2.4 Quick comparison of Grade A, B, and C offices

Criteria  Grade A offices  Grade B offices  Grade C offices 
Location Prime locations with high accessibility Good locations with convenient connectivity May be farther from key business districts
Building quality High-standard finishes Good Basic
Floor plate Efficient and suitable for office planning Meets most business requirements Varies in size and layout
Technical systems Integrated systems with high specifications Well suited to standard operational needs Primarily supports basic functions
Elevators Designed to suit the building’s scale Adequate for regular use Typically smaller-scale elevator systems
Property management Professional management standards Good to very good Basic
Amenities Varies by project, generally with a broader range Covers essential business needs More limited
Rental rates Typically in the higher price range Mid-range Typically lower
Suitable for Businesses requiring higher building standards Businesses balancing cost and quality Budget-conscious businesses

 

The comparison above provides a quick overview of the differences between the three office grades. When assessing a specific building, businesses should consider multiple criteria together rather than determining its grade based on a single feature.

3. Criteria for grading Grade A-B-C buildings according to international standards

Each country has its own system of grading Grade A, B, C for different office rental markets, and it is not entirely mandatory. These standards depend on the conditions of the local market, without general imposition, varying according to each country.

For example, in Hong Kong, parking standards are indispensable, but in the UK market, this is not an important factor. Australia’s market places high importance on environmental factors, but many countries do not emphasize this issue. Meanwhile, Japan is particularly concerned with superior safety indices in the Asian region.

Below, we would like to present to you the set of criteria for grading buildings researched and published by the “Moscow Research Forum”, including CBRE – Noble Gibbons – Colliers International – Cushman & Wakefield – Jones Lang LaSalle. Office buildings that do not meet Grade B standards will be considered Grade C buildings.

CRITERIA Grade A Grade B Grade B-
1 SYSTEMS ENGINEERING
1.1 BMS – Building management system Obligatory Option Do not apply
1.2 Ventilation air conditioning system
2-way hot and cold ventilation air conditioning system, controlling humidity in each area
Obligatory Obligatory Option
1.3 Capacity of the air conditioning and ventilation system
Cooling for server room 24/24. Temperature in office area 22–23 °C, ±1 °C. Fresh air 60 m³/hour/10 m² office.
Obligatory Should have Do not apply
1.4 Modern fire protection system Obligatory Obligatory Obligatory
1.5 Elevator
High-speed and high-quality elevators from famous international brands
Obligatory Obligatory Obligatory
1.6 Ladder waiting time is about 30 seconds Option Do not apply Do not apply
1.7 Power source
Two independent power sources, automatic power transfer, or equipped with a backup generator system (minimum capacity 70 VA for 1 m²), UPS for emergency technical systems.
Obligatory Option Option
1.8 Security monitoring system
Security monitoring and access management system (CCTV) at all entry points, parking spaces, card usage, and security staff on duty 24/7.
Obligatory Obligatory Obligatory
2 BUILDING STRUCTURE
2.1 Clear ceiling height is from 2.7 m – 2.8 m or more Obligatory Option Option
2.2 Ground
Grade A standard: Open space, no hard partitions, efficient use, column grid larger than 6 x 6 m.
Obligatory Obligatory Option
2.3 Office depth
The distance (floor depth) from one window to the other is ≤ 18–20 m; or ≤ 9–10 m from the core to the outside window; or ≤ 12 m from the outside window to the center if the floor has an interior void.
Option Option Option
2.4 The area coefficient is not useful
The building’s non-useful area coefficient does not exceed 12%, calculated = 1 − (usable area / rental area) × 100%.
Obligatory Option Option
2.5 The floor’s load-bearing capacity is 400 kg/m² or more Obligatory Option Option
2.6 Level of completion of public areas and exteriors
Grade A: High quality materials / Grade B, B-: High quality materials
Obligatory Obligatory Obligatory
2.7 Raised floors Obligatory Do not apply Do not apply
2.8 Natural lighting and windows
High quality window system, providing enough natural light, reasonably arranged
Option Option Option
3 LOCATION
3.1 Good location, not surrounded by buildings that negatively affect the building’s image (e.g. industrial facilities, funeral homes, prisons) Obligatory Option Do not apply
3.2 Access to transport, convenient for car and public transport, e.g. 10–15 minutes walk from nearest metro station or bus route Obligatory Option Option
4 PARKING
4.1 Grade A: Parking in the basement or high-rise garage, covered path into the building. Parking on the 1st floor for guests.
Grade B, B-: Safe parking
Obligatory Obligatory Obligatory
4.2 Parking space ratio: ≥ 1 car space per 100 m² of rental area (1/100) Option Option Option
5 OWN
5.1 A single owner of the entire building (floors/blocks are not owned by multiple owners) Obligatory Option Option
5.2 Transparent ownership structure Option Option Option
6 BUILDING MANAGEMENT AND SERVICES
6.1 Grade A: Managed by a professional company managing ≥5 buildings (each ≥5,000 m²), or with international-grade experience.
Grade B, B-: Building management is well organized.
Obligatory Obligatory Obligatory
6.2 Telecommunications service provider
Minimum of two telecommunications service providers in the building
Obligatory Obligatory Option
6.3 Hall
The spacious reception area matches the building’s scale, making it easy for guests to access
Option Option Do not apply
6.4 Utilities
A well-managed café to meet staff size and at least two additional amenities (ATM, laundry, store, etc.). Surrounding amenities considered.
Obligatory Obligatory Obligatory

4. Should businesses lease Grade A, B, or C office space? 

Businesses should select an office grade based on their budget, preferred location, space requirements, operational needs, and the role the office plays in their corporate image. A higher office grade is not necessarily the better choice, as each business has its own set of priorities.

  • Grade A offices: Suitable for businesses that prioritize location, building quality, operational systems, and corporate image. Typical occupiers include corporations, FDI companies, banks, financial institutions, technology companies, law firms, and consulting firms.
  • Grade B offices: Suitable for businesses seeking a balance between building quality and rental budget, particularly those requiring relatively large office space while maintaining a professional working environment.
  • Grade C offices: Suitable for businesses focused on cost control, requiring a functional office space, or having less demanding requirements for building amenities and operational standards.

Headcount alone does not determine which office grade a business should choose. A company with 30–50 employees may still opt for a Grade A office if it regularly receives clients or places a high priority on its corporate image. Conversely, a company with hundreds of employees may choose a Grade B office to secure more space within the same budget.

Businesses should select an office grade based on their actual requirements
Businesses should select an office grade based on their actual requirements

5. List of outstanding Grade A offices

5.1 Grade A offices in Ho Chi Minh City

Image Building
What is Grade A Office Space? Building Classification Types 01. Deutsches Haus

  • Address: 33 Le Duan, Sai Gon Ward, (District 1) HCMC
  • Height: 25 levels and 4 basements
What is Grade A Office Space? Building Classification Types 02. Saigon Marina IFC

  • Address: 02 Ton Duc Thang, Sai Gon Ward, (District 1) HCMC
  • Height: 55 floors – 4.5 basements
What is Grade A Office Space? Building Classification Types 03. The Nexus

  • Address: 3A – 3B Ton Duc Thang, Sai Gon Ward, (District 1) HCMC
  • Height: 35 floors & 05 basements
What is Grade A Office Space? Building Classification Types 04. Saigon Centre Tower 2

  • Address: 92 – 94 Nam Ky Khoi Nghia, Sai Gon Ward, (District 1) HCMC
  • Height: 18 floors and 6 basements
What is Grade A Office Space? Building Classification Types 05. Saigon Times Square

  • Address: 22 – 36 Nguyen Hue, Sai Gon Ward, (District 1) HCMC
  • Height: 39 floors – 1 ground floor and 3 basements (8 floors office space)
What is Grade A Office Space? Building Classification Types 06. Riverfront Financial Centre

  • Address: 3A – 3B Ton Duc Thang, Sai Gon Ward, (District 1) HCMC
  • Height: 25 upper floors – 5 basements
What is Grade A Office Space? Building Classification Types 07. Vietcombank Tower

  • Address: 05 Cong Truong Me Linh, Sai Gon Ward, (District 1) HCMC
  • Height: 36 floors and 4 basements
What is Grade A Office Space? Building Classification Types 08. Bitexco Financial Tower

  • Address: 02 Hai Trieu, Sai Gon Ward, (District 1) HCMC
  • Height: 68 floors and 3 basements, office space from 7th – 54th floor
What is Grade A Office Space? Building Classification Types 09. Friendship Tower

  • Address: 31 Le Duan, Sai Gon Ward, (District 1) HCMC
  • Height: 21 floors – 4 basements (18 office floors)
What is Grade A Office Space? Building Classification Types 10. Daikin Tower

  • Address: 10 Cong Truong Quoc Te, Xuan Hoa Ward, (District 3) HCMC
  • Height: 13 floors – 03 basements

 

>> Grade A Office Buildings in HCMC 

5.2 List of Grade A offices in Hanoi

Image Building
What is Grade A Office Space? Building Classification Types 01. Capital Place

  • Address: 29 Lieu Giai, Ngoc Ha Ward, (Ba Dinh District) Hanoi
  • Height: 2 blocks with 37 floors, 3 basements
What is Grade A Office Space? Building Classification Types 02. LPB Tower

  • Address: 17 Tong Dan & 210 Tran Quang Khai, Hoan Kiem Ward, (Hoan Kiem District) Hanoi
  • Height: 22 floors and 4 basements
What is Grade A Office Space? Building Classification Types 03. BRG Tower

  • Address: 198 Tran Quang Khai, Cua Nam Ward, (Hoan Kiem District) Hanoi
  • Height: 21 floors and 4 basements
What is Grade A Office Space? Building Classification Types 04. Cornerstone Building

  • Address: 16 Phan Chu Trinh, Cua Nam Ward, (Hoan Kiem District) Hanoi
  • Height: 14 floors and 3 basements
Press Club Building Hoan Kiem district, Ha Noi 1 05. Press Club

  • Address: 59A Ly Thai To, Hoan Kiem Ward, (Hoan Kiem District) Hanoi
  • Height: 7 Floors
What is Grade A Office Space? Building Classification Types 06. Leadvisors Place

  • Address: 41A Ly Thai To, Hoan Kiem Ward, (Hoan Kiem District) Hanoi
  • Height: 9 floors and 3 basements
What is Grade A Office Space? Building Classification Types 07. Pacific Place

  • Address: 83B Ly Thuong Kiet, Cua Nam Ward, (Hoan Kiem District) Hanoi
  • Height: 19 floors and 5 basements
What is Grade A Office Space? Building Classification Types 08. Grand Terra

  • Address: 36 Cat Linh, O Cho Dua Ward, (Dong Da District) Hanoi
  • Height: 8 floors – 05 basements
What is Grade A Office Space? Building Classification Types 09. HCO Building

  • Address: 44B Ly Thuong Kiet, Cua Nam Ward, (Hoan Kiem District) Hanoi
  • Height: 18 office floors
What is Grade A Office Space? Building Classification Types 10. International Centre

  • Address: 17 Ngo Quyen, Hoan Kiem Ward, (Hoan Kiem District) Hanoi
  • Height: 8 floors and 2 basements

 

>> Grade A Office Buildings in Hanoi

6. List of typical Grade B offices

6.1 Grade B offices in Ho Chi Minh City

Image Building
What is Grade A Office Space? Building Classification Types 01. Opera View Building

  • Address: 161 Dong Khoi, Sai Gon Ward, (District 1) HCMC
  • Height: 7 floors – 1 ground floor – 1 basement
What is Grade A Office Space? Building Classification Types 02. The Waterfront Saigon

  • Address: 1-1A-2 Ton Duc Thang, Sai Gon Ward, (District 1) HCMC
  • Height: 27 floors – 10 office floors, 4 basement
What is Grade A Office Space? Building Classification Types 03. 9 Ton Duc Thang Tower

  • Address: 09-11 Ton Duc Thang, Sai Gon Ward, (District 1) HCMC
  • Height: 34 floors – 1 ground floor – 2 basements
What is Grade A Office Space? Building Classification Types 04. Riverbank Place

  • Address: 3C Ton Duc Thang, Sai Gon Ward, (District 1) HCMC
  • Height: 22 floors and 3 basements
Wondersea Building Tan Binh 0 05. Wondersea Building

  • Address: 16 Phan Dinh Giot, Tan Son Hoa Ward, (Tan Binh District) HCMC
  • Height: 12 floors – 03 basement
What is Grade A Office Space? Building Classification Types 06. The Crest Office

  • Address: Lot 1.13, Thu Thiem New Urban Area, An Khanh Ward, (District 2) HCMC
  • Height: 24 floors – 03 basement
What is Grade A Office Space? Building Classification Types 07. Empress Tower

  • Address: 138-142 Hai Ba Trung, Tan Dinh Ward, (District 1), HCMC
  • Height: 17 floors – 1 ground floor – 2 basements
Petrovietnam tower 08. Petrovietnam Tower

  • Address: 01 Le Duan, Sai Gon Ward, (District 1) HCMC
  • Height: 21 floors and 2 basements
What is Grade A Office Space? Building Classification Types 09. Yteco Tower

  • Address: 181 Nguyen Dinh Chieu, Xuan Hoa Ward, (District 3) HCMC
  • Height: 12 floors – 1 mezzanine & 3 basements
What is Grade A Office Space? Building Classification Types 10. CJ Tower

  • Address: 06 Le Thanh Ton, Sai Gon Ward, (District 1) HCMC
  • Height: 20 floors, 2 mezzanine floors, and 2 basements

 

 

>> Grade B Office Buildings in HCMC 

6.2 Grade B offices in Hanoi

Image Building
What is Grade A Office Space? Building Classification Types 01. Asia Tower

  • Address: 06 Nha Tho Street, Hoan Kiem Ward, (Hoan Kiem District) Hanoi
  • Height: 8 floors and 1 basement
tòa nhà Doji Tower 02. DOJI Tower

  • Address: 05 Le Duan, Ba Dinh Ward, (Ba Dinh District) Hanoi
  • Height: 16 floors and 3 basements
What is Grade A Office Space? Building Classification Types 03. Daeha Business Center

  • Address: 360 Kim Ma, Giang Vo Ward, (Ba Dinh District) Hanoi
  • Height: 15 floors
What is Grade A Office Space? Building Classification Types 04. Hong Ha Center

  • Address: 25 Ly Thuong Kiet, Cua Nam Ward, (Hoan Kiem District) Hanoi
  • Height: 13 floors and 2 basements, office floor from 3 – 13rd floor
tòa nhà VCCI Tower 05. VCCI Tower

  • Address: 09 Dao Duy Anh, Kim Lien Ward, (Dong Da District) Hanoi
  • Height: 25 floors and 4 basements
What is Grade A Office Space? Building Classification Types 06. Peakview Tower

  • Address: 36 Hoang Cau, O Cho Dua Ward, (Dong Da District) Hanoi
  • Height: 21 floors and 3 basements
What is Grade A Office Space? Building Classification Types 07. Minexport Tower

  • Address: 28 Ba Trieu, Cua Nam Ward, (Hoan Kiem District) Hanoi
  • Height: 10 upper floors and 1 basement
What is Grade A Office Space? Building Classification Types 08. The West

  • Address: 265 Cau Giay, Cau Giay Ward, (Cau Giay District) Hanoi
  • Height: 37 floors including 31 office floors, 6 commercial floors and 4 basements
What is Grade A Office Space? Building Classification Types 09. Eurowindow Ton That Tung

  • Address: 2 Ton That Tung, Kim Lien Ward, (Dong Da District) Hanoi
  • Height: 17 floors and 3 basements
What is Grade A Office Space? Building Classification Types 10. VP Bank Tower

  • Address: 89 Lang Ha, Lang Ward, (Dong Da District) Hanoi
  • Height: 29 floors and 03 basements

 

>> Grade B Office Buildings in Hanoi 

7. What to check before leasing a Grade A office

When viewing a building marketed as a Grade A office, businesses should assess three key areas: building quality, operational standards, and actual lease terms. This approach helps determine whether the building is suitable for the business rather than relying solely on its advertised office grade.

  • Building quality: Check the location, floor plate, ceiling height, air-conditioning system, elevators, backup power, fire protection systems, parking facilities, and access control. The floor plan should also be reviewed against the proposed workplace layout and headcount to assess space efficiency.
  • Operational standards: Confirm the building’s operating hours, after-hours air conditioning, security, visitor management, maintenance, and incident response procedures. Some factors can only be properly assessed during an on-site inspection and through discussions with the building management team.
  • Lease terms: Compare the rental rate, service charge, VAT, parking fees, after-hours air-conditioning charges, security deposit, and payment schedule. Businesses should also clarify the rent-free fit-out period, lease term, and office reinstatement requirements.
Businesses should assess both building quality and operational standards
Businesses should assess both building quality and operational standards

Businesses should compare shortlisted buildings using the same set of criteria and total occupancy cost. Even a high-quality building may not suit a company’s operating model if it has limitations related to parking, air-conditioning hours, or lease terms.

Using a consistent set of criteria also helps businesses narrow down their shortlist and establish a clearer basis for comparing options before entering lease negotiations.

Maison Office assists businesses in defining their office requirements, shortlisting suitable buildings, checking current availability and rental rates, and arranging property viewings. Once a suitable option has been identified, the advisory team can further assist with cost comparisons, lease negotiations, and the review of key commercial terms before the lease agreement is signed.

Contact Maison Office to receive a shortlist of Grade A, B, and C offices based on your preferred location, space requirements, and rental budget.

8. Frequently asked questions about Grade A offices

8.1 What is the difference between Grade A and Grade A+ offices?

Grade A+ should not be understood as a standardized office classification applied across the entire market. BOMA uses the Class A, B, and C system in its office building classification definitions. When the term A+ is used, businesses should check the criteria applied by the information provider rather than assuming that A+ represents an official certification above Grade A.

8.2 Can a building outside the city center be classified as Grade A?

Yes. Location is an important factor, but office classification also depends on factors such as building quality, technical systems, amenities, and accessibility. Businesses should assess a property relative to competing office buildings in the same market and at the same point in time, rather than treating a CBD location as the sole requirement for Grade A classification.

8.3 Is LEED certification mandatory for Grade A offices?

No. LEED certification alone should not be used to determine whether an office building qualifies as Grade A. LEED assesses factors related to green building performance and sustainability, while office classification considers a broader range of criteria, including location, building quality, technical systems, amenities, and market competitiveness. LEED should therefore be considered an additional attribute when comparing office buildings.

8.4 Do Grade A offices have to be located in the CBD?

No. A development outside the CBD can still offer high standards of construction, technical systems, property management, and accessibility. Location should be assessed alongside the building’s overall specifications and compared with competing office supply in the same area, particularly in emerging business districts where new clusters of high-quality office buildings are developing.

8.5 Should businesses choose a Grade A or Grade B office?

Grade A offices are suitable for businesses that prioritize building standards, operational quality, location, and client experience. Grade B offices may be more suitable for businesses seeking a balance between quality, space, and rental budget. Before making a decision, businesses should compare available options based on the same space requirements and total occupancy cost.

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