CONTENTS Abstract i Acknowledgements ii CONTENTS iii List of tables vi List of figures viii List of abbreviations x 1. Introduction 1 1.1. Background 1 1.2. Problem statement 2 1.3. Aims and Objectives 2 1.4. Scope of the study 3 1.5. Limitation of the study 3 1.6. Research Question 3 2. Literature review 4 2.1. Introduction 4 2.2. Review topics 4 2.3. Literature insights 4 2.4. Conclusion 10 3. Methodology 11 3.1. Introduction 11 Building Plans 11 3.2. Methodology 12 4. Analysis , Findings and Conclusions 14 4.1. Thermal performance of conventional roof over green roof 14 4.2. Analysis of the thermal performance of green roofs 16 4.3. Conclusion 25 4.4. Comparitive electrical consumption and savings 26 4.5. Conclusions and suggestions 29 4.6. Strategies 29 References 30