Introduction, Oriel Prizeman Part 1: Evaluations- (Theories) 1. The English climate and enduring principles of environmental design , Dean Hawkes 2. The energy context of domestic traditional buildings for the UK, Simon Lannon 3. Retrofitting Heritage Buildings, Peter Cox 4. Containing the Questions Douglas Kent Part 2: Responses- Practices 5. An Integrated Approach To Heritage And Sustainability: Four Academic Building Projects in the USA, Tom Hotaling 6. New Court Trinity College Cambridge: Continuing a legacy of inhabitation, Oliver Smith 7. Four case studies demonstrating the impacts of energy conservation in traditional domestic buildings, Oriel Prizeman 8. Sustaining heating in places of worship: Physical, social, organizational and commercial factors as determinants of strategic decision making and practical outcomes, Bruce Induni Part 3: Conclusions Potential for Further Research, Oriel Prizeman