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As the impacts from climate change are progressively being felt around the globe, there is an increasing urgency in the need for policymakers to find ways to reduce greenhouse gas emissions. The rental housing sector offers one such clear opportunity to reduce CO2 emissions. However, there has been a lack of consensus regarding the policies that would best deliver a sustainable rental sector. Building on calls in the literature to examine policy mix solutions for this conundrum, a Policy Delphi methodology, using both qualitative and quantitative techniques, identified seven key policy areas. These were divided into carrot policies (tax incentives, rebates and grants); cusp policies, that are neither clearly carrot nor stick, but often have a leaning towards one or other (loans, energy arrangements, improved rental rights); and stick policies (minimum standards, mandatory disclosure). Minimum performance standards, rebates and tax incentives were identified as the most effective policy solutions by the expert panel. Findings suggest that any policy mix should include both carrot and stick policies. When integrated with the existing ‘enabling forces’ literature, a model emerges that highlights the policy pathways to an environmentally sustainable rental housing sector.

The take-up of the many voluntary energy efficiency standards which exist in the UK and internationally has been limited. As a result, governments have recognised the need to introduce mandatory schemes through legislation, e.g. from 2016 all new build homes in the UK will be required to achieve zero carbon in regulated energy consumption. However, as 2016 approaches, very few zero carbon homes are being delivered. This paper explores the drivers and barriers for zero carbon homebuilding. The perceptions of the wider construction industry were gathered through a series of semi-structured interviews with professionals involved in commissioning, designing, constructing and regulating housing. The results show that, whilst drivers for zero carbon homebuilding exist, the barriers are currently perceived to be greater than the drivers. The barriers are categorised into five groups: economic, skills and knowledge, industry, legislative and cultural. Mechanisms for policy and industry support for the delivery of zero carbon homes are identified to address these barriers. The research findings highlight the need for a clear and robust policy framework for the forthcoming standard. The Government and industry must prioritise raising public awareness of the need for and benefits of zero carbon homes to help develop market demand.