Buildings Sustainable homes
Feeling at home
with the code
occupancy evaluations for a series of projects. The GHA makes it difficult to know exactly how much more
liaised with the developers and relevant members of expensive properties built to the code are, compared
the design team for each case study, gathered relevant
It’s totally
with traditional construction methods.
data about the projects and reported on their findings. possible to build But she estimates that construction costs per square
Two of the case studies were privately funded and two
to a high level
metre shown for the four case studies ranged from
were housing association-funded developments. £950 to £1,850 (excluding land prices and fees),
“These case studies show that the code can be
of the code, but
depending on the code level being built to. The costs
applied to both new and traditional construction planners need are high, but they were always expected to be so because
types. But there were also some more experimental
to understand
of the fact that developers were using the code for the
construction methods that people were trialling,” says first time and new technologies and construction
GHA associate Henrietta Lynch.
where the
techniques were involved.
One such example of these ‘experimental’ techniques developers are
can be seen in the Bristol case study, where the fabric of
coming from.
The projects
the building was made using prefabricated solid cross- Four projects were included in the study:
timber laminated panels with external insulation and • The Old Apple Store, Stawell, Somerset, a rural private
render – a system that is not widely used in the UK. housing project built to code level 5 by ECOS Homes;
Lynch says the trialling of the new construction • CO2 Zero, Bristol, a scheme providing urban private
systems and green technologies on these projects live-work units built to level 5 by Logic CDS Ltd; >
www.cibsejournal.com August 2009 CIBSE Journal 27
CIBSEaug09 pp26-31 Homes.indd 27 23/7/09 14:52:55
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