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Climate change will have a profound impact on built environment performance over the next 50 years. More severe flooding and overheating will lead to more obsolete buildings and premature mortality across the UK and Europe. The research team explored the issues surrounding adaptation of the built environment to climate change, and developed a new model of built asset management that integrates adaptation decision making into the building life cycle. The model is being used by facilities managers and surveyors to produce long term asset management plans, and by central and local government policy makers to inform and develop adaptation strategies.
This study presents the impact of research by Plymouth's Environmental Building Group (EBG) and Centre for Earthen Architecture (CEA) on industry and regulatory bodies. These interconnected groups research the manufacture, construction, preservation and performance (thermal, hygral and acoustic) of new and old buildings of diverse construction, including earth, straw-bale and hemp-lime. EBG/CEA research has impacted the energy consumption of 690+ homeowners (21st Century Living; DECC/Eden) and contributed to national standards for construction and conservation (BRE/DEBA/English Heritage). Industry partnerships/projects include: Zero Carbon House, Kevin McCabe Ltd; Carfrae Sustainable Design; Hukseflux; Cornish Lime Company.
Exeter's Centre for Energy and the Environment has created novel probabilistic weather files for 50 locations across the UK, consisting of hourly weather conditions over a year, which have been used by the construction industry to test resilience of building designs to climate change. They have already had significant economic impact through their use in more than £3bn worth of infrastructure projects, for example, Great Ormond Street Hospital, Leeds Arena, and the Zero Carbon Passivhaus School. The weather files are widely available to professionals and endorsed by internationally leading building simulation software providers such as Integrated Environmental Solutions.
Research carried out at the University of Greenwich has explored issues surrounding sustainable living and climate change mitigation in existing buildings. The research identified the relationships between people and the built environment and developed a series of behavioural interventions to inform building users of the energy they were consuming and provide guidance on how this could be reduced. The socio-technical relationships were used in a public engagement programme to promote debate amongst the over-65s and the interventions by Registered Social Landlords to support behaviour change and reduce energy consumption in domestic buildings. The outputs have also been used to inform Social Housing policy development.
The group's forensic research into housing energy and carbon performance has established the existence of "performance gap" between designed energy performance and that achieved in completed dwellings. This seminal work has led to revisions in Building Regulations, shaped Government policy on zero carbon housing standards and is enabling the house building industry, including its supply chain, to re-evaluate technology and processes. Considerable benefit will flow from government and industry actions to close the gap, leading to the realisation of significant reductions in greenhouse gas emissions, improved processes & technology, improved skills & knowledge, lower energy bills and more comfortable homes.
Research undertaken at the University of Cambridge Department of Applied Mathematics and Theoretical Physics (DAMTP) was the first to demonstrate that low-energy systems could be modelled in the laboratory and that the complex ventilation flows within buildings could be represented accurately by simple algorithms. These algorithms were implemented as a series of `low- energy' modules in the US Department of Energy whole-building simulation code EnergyPlus. EnergyPlus is used worldwide for building energy simulation and the user group currently has 3144 members. The use of this code has led to optimised design of a number of buildings, such as the New York Times HQ in Manhattan opened in 2009.
The Environmental Building Group (EBG) is making an internationally-recognised impact on industry practice using building performance simulation research to look at the relationship between building use scenarios and building performance. In particular, research in building energy data analysis and the prediction of the impacts of climate change on UK building stock has enabled: C3Resources to increase turnover by 28%, double its workforce and win new international clients; Cornish Lime to develop a new product; RTP Surveyors to increase service provision; and Lend Lease and Wates Construction to change their strategies in relation to what/how they may build in the future.
Over the past 13 years the University of Bath has been leading research into low-impact bio-based construction materials, including the construction and testing of two full-scale prototype buildings: BaleHaus (2009) and HemPod (2010) built on campus. The research has directly promoted: the development and wider market acceptance of award winning low carbon construction products (ModCell® and Hemcrete®); successful delivery of award winning buildings; and the wider sector uptake of these technologies, including in a new school building in Bath. The work has directly benefited industry partners working to meet UK Government policy requirements to deliver low carbon infrastructure and benefited society through the delivery of affordable sustainable buildings.
Research by staff of the Energy Systems Research Unit (ESRU) at Strathclyde has resulted in advances in the state-of-the-art in dynamic building energy modelling as encapsulated within the Open Source ESP-r program. This new capability enabled practitioners to analyse phenomena and technologies hitherto not capable of being modelled in building simulation tools. The impact stems from the embedding of ESP-r within companies resulting in service improvement and job creation, and applications of ESP-r resulting in energy demand reduction, low carbon energy systems integration and environmental impact mitigation.
The research reported in this case study demonstrates that in order to achieve a carbon neutral future whole life building carbon footprinting should be undertaken by using Life Cycle Assessments (LCA) at all stages of design, construction and throughout the lifespan of buildings. Practical tools in this area are few, and the award winning research projects reported here address this need and have had impacts in the following areas; firstly, through their direct applications in building procurement and management, secondly through changes to national standards and specifications and thus professional practice, and thirdly through enhanced public awareness at local, national and international levels.