A longitudinal building fabric and energy performance analysis of two homes built to different energy principles

Julio Bros-Williamson*, Celine Garnier, John I. Currie

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

This paper reports on the building performance monitoring and annual energy demand of two homes built side-by-side over an occupancy period of three years. The study compares the results from on-site monitoring against the assumed parameters and calculations from compliance modelling at design stage. It focuses on the differences and impact of occupancy behaviour, weather conditions, quality of construction and operation which contribute to an increase in energy consumption creating a gap in performance between design and actual. The results from the study show disparities in the fabric performance reflecting on the overall consumption of energy. This longitudinal analysis highlights how building performance needs to be evaluated over longer periods in order to fully understand how homes and their occupants operate and consume energy. The impact of the real performance of homes in Scotland over longer periods needs to become standardised, and a mechanism for feedback into regulatory mechanisms and construction practices applied, if carbon emission targets are to be met.

Original languageEnglish
Pages (from-to)578-591
Number of pages14
JournalEnergy and buildings
Volume130
DOIs
Publication statusPublished - 15 Oct 2016

Keywords / Materials (for Non-textual outputs)

  • Building performance
  • Energy
  • Longitudinal studies
  • Post-occupancy
  • Social housing

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