Dissemination of CASBEE

Dissemination of CASBEE in Japan

CASBEE Certification System

CASBEE is broadly used by many construction companies, design offices, real-estate developers, etc. as a voluntary-basis evaluation tool for checking the environmental performance of their buildings.
Reflecting the growing needs for a certification of the assessment result, we started the CASBEE Certification System in 2005.
The information of the certified buildings is shown here.

Utilization by Japanese local governments

As of December 2011, 24 Japanese local governments have introduced CASBEE system as their environment measures for encouraging green buildings. The governments require the building owners to report the assessment results by CASBEE before its construction.

The number of reports submitted to the local governments is over 6600 (as of December 2011).
The details are shown in Table 1.

Table 1 Japanese local governments introduced CASBEE (as of March 2011)

Name of local government		Population (x 1000)	Minimum floor areas of building which obliged to report (m2)	Date of implementation	Number of reports (in the fiscal year)
Name of local government		Population (x 1000)		Date of implementation	2004	2005	2006	2007	2008	2009	2010	Total
1	Nagoya City	2,261	2,000	Apr. 2004	148	234	210	229	173	100	152	1,246
2	Osaka City	2,653	5,000	Oct. 2004	26	72	97	109	73	54	68	499
3	Yokohama City	3,687	2,000	Jul. 2005		93	123	113	102	39	172	642
4	Kyoto City	1,472	2,000	Oct. 2005		21	104	93	67	63	67	415
5	Kyoto Pref.	2,630*	2,000	Apr. 2006			37	45	33	37	43	195
6	Osaka Pref.	6,191*	5,000	Apr. 2006			60	101	115	108	102	486
7	Kobe City	1,542	2,000	Aug. 2006			68	136	104	67	75	450
8	Hyogo Pref.	4,040*	2,000	Oct. 2006			81	162	187	151	162	743
9	Kawasaki City	1,426	5,000	Oct. 2006			38	47	40	38	52	215
10	Shizuoka Pref.	3,759	2,000	Jul. 2007				120	222	136	163	641
11	Fukuoka City	1,469	5,000	Oct. 2007				18	37	31	30	116
12	Sapporo City	1,900	2,000	Nov. 2007				20	77	32	78	207
13	Kitakyushu City	973	2,000	Nov. 2007				5	18	14	18	55
14	Saitama City	1,234	2,000	Apr. 2009						44	67	111
15	Saitama Pref.	5,628*	2,000	Oct. 2009						43	165	208
16	Aichi Pref.	5,142*	2,000	Oct. 2009						68	136	216
17	Kanagawa Pref.	3,932*	5,000	Apr. 2010							59	59
18	Chiba City	963	5,000	Apr. 2010							11	11
19	Tottori Pref.	587	2,000	Apr. 2010							13	13
20	Niigata City	801	2,000	Apr. 2010							31	31
21	Hiroshima City	1,175	2,000	Apr. 2010							58	58
22	Kumamoto Pref.	1,817	2,000	Oct. 2010							29	29
23	Kashiwa City	405	2,000	Jan. 2011							8	8
24	Sakai City	842	5,000	Aug. 2011
Total					174	420	818	1,198	1,248	1,037	1,759	6,654

(note)
*The population is subtracted from the prefecture's if there are cities in the prefecture in the list.

CASBEE Accredited Professional Registration System

CASBEE is based on assessment as quantitative as possible, but it includes qualitative items in the system. In such items, it requires specific expertise and knowledge for its assessment. So we established CASBEE Accredited Professional Registration System in 2005.
To become a CASBEE-AP, it is needed to take the training courses, pass the examination and complete registration. The candidate must be Japanese first-class architect to qualify for taking the examination.
For now, There are over 10000 CASBEE-APs in Japan. (as of December 2011)

For more information, please contact at casbee-info@ibec.or.jp