CIBSE BUILDING PERFORMANCE AWARDS Building Operation Award


EXCHANGE HOUSE, BROADGATE, CITY OF LONDON British Land/Broadgate Estates


British Land continues its winning ways at the Building Performance Awards with victory at Exchange House where, together with the occupiers and manager Broadgate Estates, it has made the building more energy effi cient and easier to operate


Improvements at Exchange House have cut carbon emissions by 8,500 tonnes and benefi ted occupiers by delivering energy cost savings of more than £1 m in the last four years


PROJECT TEAM


Building services engineer: Broadgate Estates Building owners: British Land/ Blackstone Building occupiers: F&C Asset Management/Herbert Smith Freehills/ Société Générale Mechanical and electrical consultant: EP&T Global


British Land has cut landlord-infl uenced energy at Exchange House by 31% since 2009 (with the majority of the savings realised in 2012/13). It has also helped occupiers achieve 23% reductions in their areas. Total reductions have cut carbon emissions by 8,500 tonnes and delivered energy cost savings of more than £1 m in the last four years. The investment in an energy monitoring system at Exchange House identifi ed opportunities for the building management team to optimise consumption, with successful examples including: reducing how long the air conditioning system operates when the override option is used; addressing an increase in the air conditioning base load, due to a faulty power pack; optimising the heating schedule and adjusting lighting timings and patterns for external areas. British Land also engaged with


occupiers to introduce measures to align plant run times with operational needs, including the introduction of out-of-hours energy billing to incentivise businesses to explore more effi cient alternatives to operating out-of-hours; agreeing core hours for the building and removal of override switches on the offi ce fl oors for heating and cooling out-of-hours. Broadgate Estates and British Land


lead a well-established green building group with all occupiers at Exchange House and provide them with six-monthly building environmental statements. This allows capital investment initiatives to be agreed to help occupiers improve energy effi ciency and cut costs. Clearly, the landlord is doing the right


thing: independent surveys consistently show that occupier satisfaction with British Land and Broadgate Estate exceeds the industry average.


I am impressed with the project team’s conscious effort to save energy and its ability to deliver signifi cant savings


year on year Hywel Davies, chair of the judges


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FINALISTS Harrods, Knightsbridge, London – Harrods


MoD, Abbey Wood, Bristol – Debut Services (South West)


Sponsored by:


CIBSE Journal 21


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