![]() ![]() ![]() The additional capital costs are compared with the costs of running typical new houses that comply with the building regulations. This thesis examines the economic viability of building emissions free housing. Showers and toilets were considered the priority for analysis due to the potential carbon, energy, and utility cost savings possible through hot water savings in showers, and due to the large volumes of water savings through toilet upgrades. The survey showed that it is likely that approximately 80% of social housing properties own at least one bath and have no shower installed. Nor does the Decent Homes standard allow for the installation of showers where baths are present, due to a like-for-like replacement policy. ![]() Currently, the Decent Homes standard is measured against the age and basic performance of bathroom and kitchen fittings, but makes no comment on their water efficiency. This study was commissioned with the aim of estimating the potential reduction in water consumption in social housing stock through water efficiency retrofits, and in particular through the delivery avenue of an updated Decent Homes Standard which would include water efficiency criteria for water using fixtures and fittings. ![]()
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