GGCb IMPACT REPORT · CERTIFICATION REPORT

Data-Backed Healthy Living · GD Renovation Metrics

Taiwan's only independent third-party indoor health environment review system. All statistics are drawn from completed projects, TAF-accredited lab testing, and rigorous on-site instrument verification.

100% On-site Verified 4 Space Categories Covered Public · Transparent · Live
Growing
Total Certification Applications
932 cases

Valid applications recorded by GGCb

≈ 144,515 m²
Floor Area Applied
43,713 ping

Equivalent to safeguarding dozens of residential buildings

Nationwide
Cities Covered
10 cities

Based in Taipei metro, extending nationwide

Rate 58.8%
Certified Designer Projects
409 cases

Cases opened by GGCb-certified green designers

Yearly Growth Trend

Yearly case & area growth after strict verification
2020 - 2025
2024 reached peak 70 cases / 3,713 ping Double-digit YoY growth

Level Distribution

By material and air quality assessment
  • Platinum 7 cases (1%)
  • Gold 402 cases (60.3%)
  • Silver 123 cases (18.4%)
  • Bronze 135 cases (20.2%)

Product Type Distribution

Distribution across 4 space categories
  • Office (B) 104 cases (11%)
  • Healthcare & Education (M) 28 cases (3%)
  • Hospitality (P) 10 cases (1.1%)
  • Residential (R) 802 cases (85%)
Quick Facts
Dominant Level
Gold (402)
Avg. Ping / Case
46.9 ping
Most Active City
New Taipei (246)
Main Space Type
Residential (R) 85%
Certified Designer Rate
58.8%

Nationwide Distribution

Taipei metro leads, expanding to Hsinchu tech corridor
10 cities
Taoyuan 95 Taoyuan:95 cases Hsinchu County 34 Hsinchu County:34 cases Hsinchu City 32 Hsinchu City:32 cases Miaoli 9 Miaoli:9 cases Taichung 120 Taichung:120 cases Tainan 41 Tainan:41 cases Kaohsiung 85 Kaohsiung:85 cases Taipei 243 Taipei:243 cases New Taipei 246 New Taipei:246 cases Yilan 16 Yilan:16 cases
1 New Taipei 246 cases26.7%
2 Taipei 243 cases26.4%
3 Taichung 120 cases13%
4 Taoyuan 95 cases10.3%
5 Kaohsiung 85 cases9.2%
6 Tainan 41 cases4.5%
7 Hsinchu County 34 cases3.7%
8 Hsinchu City 32 cases3.5%
9 Yilan 16 cases1.7%
10 Miaoli 9 cases1%

Key Insights

Trends observed from real instrument-verified cases

INSIGHT 01 · Essential Demand

Residential Health Awareness Goes Mainstream

Residential space certifications reach 85%. Anti-formaldehyde, low TVOC, and healthy air quality have become baseline requirements.

INSIGHT 02 · Benchmark

Dominant Level Becomes Industry Standard

Gold certifications reached 402 cases (60.3%). Green designers have established mature standardized workflows for material screening and on-site testing.

INSIGHT 03 · Metro Expansion

Taipei Metro Expands to Tech Corridor

Top 2 cities account for 53.1% of national volume. Hsinchu tech corridor and central-south tech demand are expanding coverage.

Let Professional Data Guard Your Healthy Space

Whether residential or commercial, GGCb's independent third-party review and TAF lab testing ensure your renovation budget delivers real health outcomes.