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  • Energy efficiency in new and existing buildings: comparative costs and CO2 savings

  • F MacKenzie, C Pout, L Shorrock, A Matthews & J Henderson

  • BRE
  • August 2010
  • 978-1-848061-378
  • Paperback
  • 32
  • £30.00 (zero VAT)
  • £30.00 (zero VAT)
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Energy efficiency in new and existing buildings: comparative costs and CO2 savings

This BRE Trust report considers the relative impact on UK CO2 savings targets of constructing new zero-carbon buildings compared to improving the energy efficiency of the existing stock. Carbon dioxide emissions from buildings accounted for around 40% of total UK CO2 emissions in 2006. To achieve the government’s challenging target of reducing greenhouse gas emissions by 80% by 2050, improving the energy efficiency of buildings - both new and existing - will clearly be vital. This report uses existing data to explore the extent to which improving the energy efficiency of the existing building stock would be a more cost-effective route for achieving CO2 savings than constructing new buildings to the higher levels of energy performance required to meet low- and zero-carbon targets.

Contents:
Executive summary
1 Background
Zero-carbon non-domestic buildings
2 Introduction
3 Assessing cost effectiveness
Net annual cost
Net present value
4 Domestic buildings
Age profile of the domestic building stock
Existing domestic buildings
New domestic buildings
Conclusions and recommendations: domestic buildings
5 Non-domestic buildings
Non-domestic building energy and emissions model
Age profile of the non-domestic building stock
Existing non-domestic buildings
New non-domestic buildings
Conclusions and recommendations: non-domestic buildings
6 References
Energy efficiency in new and existing buildings: comparative costs and CO2 savings This BRE Trust report considers the relative impact on UK CO2 savings targets of constructing new zero-carbon buildings compared to improving the energy efficiency of the existing stock. Carbon dioxide emissions from buildings accounted for around 40% of total UK CO2 emissions in 2006. To achieve the government’s ...
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