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Post-occupancy evaluation studies in recently refurbished office building: energy performance and employees' satisfaction

Aghahossien, M., El-Jouzi, S., Elmualim, A. A., Ellis, J. and Williams, M. (2013) Post-occupancy evaluation studies in recently refurbished office building: energy performance and employees' satisfaction. In: CIB World Congress, 5-9 May 2013, Brisbane, Australia.

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Existing buildings contribute greatly to global energy use and greenhouse gas emissions. In the UK, about 18% of carbon emissions are generated by non-domestic buildings; sustainable building refurbishment can play an important role in reducing carbon emissions. This paper looks at the performance of a recently refurbished 5-storey office building in London, in terms of energy consumption as well as occupants’ satisfaction. Pre- and post-occupancy evaluation studies were conducted using online questionnaire surveys and energy consumption evaluation. Results from pre-occupancy and post-occupancy evaluation studies showed that employees, in general, were more satisfied with their work environment at the refurbished building than with that of their previous office. Employees’ self-reported productivity improved after the move to Elms House. These surveys showed a positive relationship between employees’ satisfaction with their work environment and their self-reported productivity, well-being and enjoyment at work. The factor that contributed to increasing employee satisfaction the most was: better use of interior space. Although the refurbishment was a success in terms of reducing energy consumption per m2, the performance gap was almost 3 times greater than that estimated. Unregulated loads, problems with building control, ineffective use of space and occupants’ behaviour are argued to be reasons for this gap.

Item Type:Conference or Workshop Item (Paper)
Divisions:Science > School of the Built Environment > Construction Management and Engineering > Transition Pathways to a Low-Carbon Economy
ID Code:33179

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