New Zealand house typologies to inform energy retrofits

Verney Ryan, Geoff Burgess, Lois Easton. This report summarises the findings from a workshop analysing house typologies that was held at the end of November 2007, which was followed up […]

Housing typologies: Current stock prevalence

Ian Page, J. Fung. This report analyses the characteristics of the housing stock that affect the ability, opportunity and need to retrofit sustainability features. It covers such features as roof […]

Interim performance monitoring from Papakowhai Renovation project

John Burgess, Nikki Buckett. The Papakowhai Renovation Project has extensively monitored nine homes in the Porirua suburb of Papakowhai before and after sustainability intervention packages were applied to the homes. […]

Appendix C: Landlords energy survey

Kay Saville-Smith. A telephone survey of 491 landlords found resistance to investment in retrofitting and unresponsiveness to tenant demands or advice from professional bodies. Landlords report that they would renovate […]

Appendix B: Recent movers energy survey

Kay Saville-Smith. A postal survey of 724 homeowners found that recent movers resist significant investment in retrofitting but attempt to select resource efficient houses. They spend a relatively high amount […]

Appendix A: High energy user survey

Kay Saville-Smith. This survey of 700 householders found that high energy users resist investment in retrofitting and do not select resource efficient homes. Despite higher energy expenditure and incomes, householders […]

House owners and energy: Retrofit, renovation and getting house performance

Kay Saville-Smith. This report summarises three surveys of homeowner groups in New Zealand: high energy users, recent movers, landlords. It focuses on awareness, attitudes and efforts toward renovation, and willingness […]

Thermal insulation in New Zealand homes: A status report

Ian McChesney, Ian Cox-Smith, Lynda Amitrano. This paper considers thermal insulation for New Zealand homes, covering technical and policy aspects of new build and retrofit insulation. The policy focus is […]

Papakowhai Renovations: Impacts on householders and dwelling performance

Kay Saville-Smith. This report presents the findings of the in-depth interviews with nine of the ten householders involved in the Papakowhai retrofit, and comments on the learnings from Papakowhai in […]

Sustainability options for retrofitting New Zealand houses: Theoretical cost benefit analysis

Michael Phillips. A theoretical cost benefit for options to retrofit for water and energy was carried out using ALF. At a national level, the following options have a theoretical internal […]