GRESB Improvement – Turning Building Performance into Measurable ESG Results
GRESB is no longer a disclosure exercise, it is a performance benchmark. Investors, regulators and tenants expect real, verifiable reductions in energy, emissions, water and waste—not policy intentions.
GRESB Improvement requires operational excellence, high-quality data, and continuous optimisation across your commercial property portfolio.
This is exactly where Bueno delivers value.
We help CRE owners lift their GRESB Scores by improving the categories that matter most: energy performance, emissions reduction, data quality, and recognised building certifications such as NABERS and NABERS UK.
The Problem – Why GRESB Scores Fall Short in CRE Portfolios
GRESB Scoring shows a clear pattern globally: most organisations excel at governance but underperform on operational ESG.
• Management Component averages 29/30 — meaning there is little room for improvement in strategy, governance, or policy.
• Performance Component averages 50/70 — this is where real improvement is possible.
Within Performance, the lowest-scoring indicators across portfolios include:
• Energy: 8.4 / 14
• GHG Emissions: 4.52 / 7
• Water: 2.86 / 7
• Waste: 2.27 / 4
• Data Monitoring: 1.48 / 5.5
These are all operational categories—areas where analytics directly boosts GRESB results.
The major challenge?
Most CRE teams rely on static annual reports, partial meter data, or manual spreadsheets. This leads to:
• low data coverage
• inaccurate baselines
• unverified ESG claims
• weak year-on-year improvement
• missed opportunities for uplift in building certifications
GRESB rewards measurable improvement. Without analytics, improvement is extremely difficult to prove.
The Bueno Solution – Improving GRESB Scores Through Operational Intelligence
1. Complete, Five-Minute Operational Data Coverage
GRESB penalises estimated or incomplete data.
Bueno solves this by capturing near real-time data across every building system, including HVAC, BMS, meters, water, renewables and tenant loads.
This improves:
• Data Coverage scoring
• Monitoring & Verification scoring
• Inputs for energy, water, waste and GHG indicators
2. Energy & Emissions Improvement (The Core of GRESB Performance)
This is where Bueno drives the largest uplift.
Our FDD and optimisation modules detect:
• energy drift
• excessive run-hours
• heating/cooling clashes
• plant inefficiencies
• control sequence issues
This results in measurable:
• energy reduction
• emissions reduction
• stability of performance across the entire portfolio
These are the indicators where portfolios consistently score the lowest—and where Bueno unlocks immediate uplift.
3. NABERS & NABERS UK Tracking to Lift Certification Scores
GRESB awards points for third-party building ratings.
Bueno already supports NABERS and NABERS UK across portfolios, enabling:
• continuous improvement between audits
• predictable NABERS pathways
• validated rating increases that directly improve GRESB certification indicators
This has significant impact on the Building Certification score, which averages 7.38 / 10.5 today.
4. Water & Waste Improvement Through Better Data and Issue Detection
Water and waste remain two of the weakest GRESB categories.
Bueno improves them by:
• tracking water usage at granular intervals
• detecting abnormal consumption patterns
• identifying leaks early
• monitoring waste-related equipment behaviour
• providing actionable insights to reduce wastage
These improvements directly increase Water and Waste Performance scores.
5. Audit-Ready ESG Reporting
GRESB expects high-quality, verifiable data.
Bueno produces consistent, validated reporting for:
• energy
• water
• waste
• emissions
• building ratings
• year-on-year improvement
• normalised performance
This reduces reporting burden and strengthens every data-dependent score.
Who Benefits – Stakeholders Across the CRE Portfolio
ESG Manager / Sustainability Lead
• Improve GRESB Score through verified performance data
• Demonstrate year-on-year improvement
• Strengthen emissions reporting and compliance
Asset Manager / Portfolio Director
• Improve asset valuation with stronger ESG performance
• Benchmark assets and identify underperformers
• Deliver investor-grade reporting
Facility Manager / Operations Team
• Detect issues before they become faults
• Reduce run-hours and energy waste
• Support NABERS and GRESB evidence requirements
Executive Leadership / Fund Managers
• Reduce climate risk exposure
• Attract ESG-driven investors
• Build a credible net-zero pathway
Strategic Outcomes – The Pathway to GRESB Improvement
With Bueno, portfolios can expect:
• higher Performance Component scoring
• improved energy, water, waste and emissions metrics
• stronger building certifications (NABERS, NABERS UK, ENERGY STAR)
• complete, verified data across all assets
• real operational improvement that GRESB recognises and rewards
GRESB Improvement depends on real-world building performance. Bueno ensures it is measurable, repeatable, and portfolio-wide.
Ready to Improve Your GRESB Score?
Bueno helps CRE owners transform data accuracy, reduce operational waste and deliver measurable performance improvements that directly lift GRESB results.
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