Benchmark Study on Green Buildings - Royal Architectural Institute ...

Incentives
for Use
Other
Comments
LEED BREEAM Green Globes Green Star CASBEE GBTool NABERS
-Basis for all rating systems, one of -Low cost -All Green Star tools
-Output provides results in
the most well-known.
-Instant feedback are free to use
two forms: absolute
-BREEAM pro can be involved from -Generates links to
performance outputs, and
the start and can provide tips
relevant
performance relative to
-BREEAM is regularly updated as information and
local benchmarks.
new research becomes available to product sources.
-Updated every few years,
ensure it represents current best
after the Green Building
practice.
Challenge (GBC).
-BREEAM has captured over 25% of
-Created from an
the new office building market in the
international collaborative
UK.
process, decisions made
based on delegate
-One of the most wellknown
rating systems.
-Designed based on
BREEAM system
-Evaluates buildings based
on predictions of their lifecycle
-System is performancebased
rather than
prescriptive
-LEED is now available
online
-BREEAM versions tailored to
building type/use.
-Adopted by Canada in 1996
-System is performance-based
-Related to Green Globes
-EcoHomes is the homes version of
BREEAM, and is a little different.
-There are 7 evaluation criteria for
EcoHomes: each worth a maximum
amount of credits. Total credits = 86
1. Energy - 20 credits
2. Water - 5
3. Pollution - 7
4. Materials - 31
5. Transport - 7
6. Ecology & land use - 9
7. Health & well being - 7
-Each category is then multiplied by
the category weighting system as
follows, to get a score out of 100:
1. Energy = 0.3
2. Water = 0.1
3. Pollution = 0.15
4. Materials = 0.15
5. Transport = 0.3
6. Ecology & land use = 0.15
7. Health & well being = 0.15
-Rating system is as follows:
70+ = Excellent
60-69 = Very Good
48-59 = Good
36-47 = Pass
-Online auditing
tool, allows input
changes to keep
assessment up-todate.
-In Canada, Green
Globes is known
as Go Green Plus
-Related to
BREEAM
-Tools for building
design, construction
and operation.
-Tools are free to use
but certification
requires a formal
third-party
assessment
-Green first recently
launched. It is a line
of products that
supports the Green
Star rating tools.
-4 tools: CASBEE for
pre-design, new
construction, existing
buildings, and
renovation.
-Excel-based tool
consensus.
-Software designed to
assess predicted or
potential performance of a
building before occupancy.
-Little to no usefulness as
an assessment tool during
building operation.
-Excel-based tool
-Local benchmarks must
be known and manually
added to the tool.
-Can and has provided the
basis for the creation of a
national building
environmental rating tool.
-Allows for comparison
with LEED and Green
Globes.
-NRCan responsible for
the initial development of
the GBTool as well as a
large amount of upstart
funding.
-Online NABERS calculator is free to
use
-Designed to rate buildings on their
operational impacts on the
environment.
-System is performance-based
13