Evaluation of the project was key in enabling the LEAF partners to judge the overall effectiveness of the LEAF toolkits and the impact of the case studies, and to inform the policy recommendations.
The Results and Evaluation Report is available to download in the ‘Downloads’ toolbar on the right hand side of the page. This contains information on:
- The overall progress and results of case study buildings
- Energy, CO2 and financial savings from measures installed/agreed/recommended in case study buildings
- Retrofit barriers and successes, including lessons from LEAF case studies and stakeholder research
- Stakeholder perspectives on EPCs and the LEAF toolkits
Some of the project’s key findings are:
- At the end of the LEAF project, 10 out of 24 case study buildings had installed or agreed to install energy efficiency measures. Others were still going through the decision-making process or had not made plans to install any measures.
- Of the buildings that had installed or agreed to install energy efficiency measures, some had significant savings; the highest being a 72% energy saving.
- The barriers to retrofitting apartment blocks are significant, especially lack of finance, information on energy efficiency measures and engaging owners, particularly private landlords.
How the project was evaluated
This evaluation was achieved through a multi-pronged approach, which included:
- Quantitative analysis of energy efficiency improvements in the case study buildings.
- Participant surveys sent to all the residents and owners of the case study buildings to understand their motivations for participating in the project, successes and barriers.
- Stakeholder feedback from a range of stakeholders (e.g. housing associations, local authorities/municipalities and policy makers) gathered through interviews and workshops. Perspectives were obtained on the LEAF toolkits, barriers and opportunities in retrofitting multi-occupancy apartment blocks.