SUSTAINABLE REFURBISHMENT
was felt that support would be required
Imaginative reworking of
from the private sector. A world class
Hampshire County Council’s
team of consultants was appointed,
including Bennetts Associates, Mace
office sets new benchmark
Group, Davis Langdon, BAM, Ernest
Griffiths, Gifford and Colliers CRE. All
were selected on the basis of a proven
track record of expertise and experience in
the delivery of low energy office buildings.
The highly complex scheme presented
the project team with a series of
challenges. The completed building was
to:
be highly sustainable in every
regard possible
enable the Council to introduce
new flexible working methods and
make more efficient use of its
assets
act as an exemplar for the
Improvement and Efficiency South
East (IESE) procurement
framework
be delivered within tight budgetary
and programme constraints
reduce the County Council’s office
portfolio to enable funds to be
directed into front line services
In addition, a large scale decanting
operation was required with more than
2,000 individual moves required to take
the 600+ staff out of the existing building
and move the 1,100 staff that now occupy
it back in.
The design solution has reduced the
carbon emissions level for the transformed
PIONEERING SUSTAINABLE H
he recently completed using local materials that is much more in building from 90kg CO
2
2
/m /annum to a
T
refurbishment of Elizabeth II harmony with its historic context. The targeted level of 39kg CO
2
/m
2
/annum.
Court (formerly Ashburton Court) redesign contributes significantly to the city This was always recognised as a realistic
in the centre of Winchester centre and responds positively to target and over time the project team is
represents a stunning comments from local residents and confident that the building could achieve
transformation of a tired, dilapidated amenity groups which were key aspects at around 30kg CO
2
/m
2
/annum, possibly
1960s office block into a modern, efficient the planning stage. even lower. Such levels would represent an
and highly sustainable working The new building is predicted to be annual reduction of around 70%,
environment for Hampshire County BREEAM Excellent and to produce one of equivalent to 200 average UK households.
Council (HCC). the lowest levels of CO
2
emissions of any The Carbon Trust is using Elizabeth II
Undertaken in two main phases building in the UK based on the results of Court as a case study to evaluate
between Spring 2007 and Summer 2009, extensive early design modelling and reductions in carbon emissions that can be
the 12,600m
2
building replaces the analysis. As such it is well on the way to achieved through refurbishment
previous institutional working environment meeting the government’s 2050 target for The building is predominantly
of corridors and cellular rooms with carbon reduction and represents a naturally ventilated via a carefully
stylish, flexible open-plan office space. remarkable achievement given the engineered and innovative solution.
An area of car parking has been cleared constraints of the existing building and the Acoustic studies indicated that open
to create a welcoming new entrance challenging urban context. windows were not feasible on the street
together with a 200 seat auditorium, Hampshire County Council is one of facing elevations due to noise levels from
meeting rooms, a café and restaurant laid the UK’s leading local authorities with its traffic, so a system was devised whereby
out around new landscaped courtyards. own reputation for excellence in the built air is drawn from the internal courtyards
Externally the outdated appearance has environment. Given the challenges and across the floorplates and expelled
been transformed into a modern building scale of the Elizabeth II Court project it through ducts or ‘chimneys’ along the
30|
SUSTAINABLE FM | NOVEMBER/DECEMBER 2009
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