GRIHA Existing Building Rating:
GRIHA EB, an abbreviation for GRIHA for Existing Building rating system is designed with underlining objectives, such as attaining environmental impact reduction, simplicity in execution, alignment with local and national goals, and cost-effectiveness for Existing buildings.
The GRIHA EB rating system was developed as an integrated tool to assess the performance of the existing buildings and provide sustainable solutions whilst augmenting the indoor comfort of the occupants. The rating endeavors to provide solutions to various building typologies and ages with different operational duration. The rating would be assessed for a holistic improvement in the building performance.
GRIHA EB is specifically designed to assess and improve the environmental performance of existing buildings which evaluates buildings based on operational performance.
These commitments include reducing the economy's emission intensity by 45% by 2030 (from 2005 levels), achieving 50% of installed electricity capacity from non-fossil fuel sources by 2030, and creating an additional carbon sink of 2.5-3 billion tonnes of CO2 equivalent by 2030 through forestation and reforestation.
Promotes retrofitting and improvement of old systems (like HVAC, lighting, plumbing) to enhance sustainability.
With minimum requirements for extensive documentation, the rating is suitable for operational buildings, including those with limited resources or stakeholder involvement.
Rating under GRIHA EB highlights the building’s commitment to sustainable operation and maintenance, improving its visibility, credibility, and market value. The commercial buildings especially stand to benefit even more with the optimized value of the property cost and increased tenant retention of the rated buildings.
The rated buildings will enjoy enhanced energy and water performance and increased thermal and visual comfort, ultimately resulting in decreased operational and maintenance costs.ost and increased tenant retention of the rated buildings.
The rating is designed to emphasize the importance of occupant awareness in achieving sustainability goals. The rating process includes awareness sessions, workshops, and training to educate the building users (occupants, tenants), maintenance staff and housekeeping and support teams.
| Threshold | GRIHA for Existing Buildings |
|---|---|
| 25–40 | ⭐ |
| 41–55 | ⭐⭐ |
| 56–70 | ⭐⭐⭐ |
| 71–85 | ⭐⭐⭐⭐ |
| 86 and above | ⭐⭐⭐⭐⭐ |
The fast-track process is intended to provide handholding support to projects that need a faster clearance for various business and government approvals. It reduces the time required for rating while maintaining the integrity and accuracy of the GRIHA EB rating system.
| REVIEW STAGE | REVIEW PROCESS | FAST TRACK |
|---|---|---|
| Review of 1st Submission | Within 25-30 working days | Within 8-10 working days |
| Final Site Visit | Done within 20-30 days after sending review comments | Will be done within 5-7 working days after sending the review |
| Due Diligence report | Sent within 15 working days after site visit | Will be sent within 2 working days after site visit |
| Final Review | Done within 8-10 working days after receipt of 2nd documentation | Will be done within 5-7 working days after receipt of 2nd documentation |
Fast Track Fees: Rs. 10 lakhs+ Taxes Applicable as per the Government norms.
| Sections | Criteria | Criterion Name | Criterion Brief | Max. Points of Criterion | Max. Points of Section |
|---|---|---|---|---|---|
| Site Parameters | Criterion 1 | Accessibility to basic services | Promote walking, cycling, and use of public transport. | 2 | 6 |
| Criterion 2 | Microclimatic impact | Lower the impact of the Urban Heat Island Effect and enhance the microclimate of the site. | 4 | ||
| Maintenance and Housekeeping | Criterion 3 | Maintenance, green procurement and waste management | Ensure good practices for safety, waste management, green procurement, and maintenance. | 7 | 17 |
| Criterion 4 | Metering and monitoring | Promote reliable metering and monitoring. | 10 | ||
| Energy | Criterion 5 | Energy efficiency | Reduce the energy consumption of the project. | 20 | 35 |
| Criterion 6 | Renewable energy utilization | Promote the use of renewable energy sources. | 15 | ||
| Water | Criterion 7 | Water footprint | Implement potential water conservation strategies. | 15 | 25 |
| Criterion 8 | Reduction in negative water performance | Reduce the overall water demand of the habitat. | 10 | ||
| Occupant Health & Comfort | Criterion 9 | Achieving indoor comfort requirements | Ensure thermal, visual, and acoustical comfort in building interiors. | 6 | 12 |
| Criterion 10 | Maintaining good Indoor Air Quality (IAQ) | Ensure good indoor air quality for the occupants. | 6 | ||
| Social Aspects | Criterion 11 | Universal accessibility and environmental awareness | Promote accessibility for differently-abled and/or elderly persons and increase awareness. | 5 | 5 |
| Bonus Points | Criterion 12 | Bonus points | Adoption and implementation of innovative strategies to improve project sustainability. | 4 | 4 |
| Grand Total (4 points of bonus are above 100 points) | 100 + 4 | 100 + 4 | |||
| Built-up Area | Fees |
|---|---|
| upto 2500 sqm | 1,00,000 + taxes |
| >2500 - 5000 sqm | 3,00,000 + taxes |
| >5000 - 50000 sqm | 3,00,000 + 7 Rs per sqm above 5000 sqm = 6,15,000 + taxes (for 50,000 sqm) |
| >50000 and above | 7,50,000 + taxes |