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Envest for Housing
As buildings become more energy-efficient, the ratio of embodied CO2 (the environmental impacts throughout the life cycle of a building) to lifetime consumption rises.
The Energy Saving Trust Housing programme presents a new tool called Envest for Housing to help the industry keep abreast of the impact of embodied CO2. By inputting basic design numbers - height of building, number of storeys, window area and so on, together with choice of materials, such as roof covering and external walls, developers can see the impact of each element.
Numerous benchmarks have been made available within the tool. These enable designers to compare their projects to UK standards. This then means developers can demonstrate the embodied CO2 credentials of different designs when making presentations to clients. For example, it's easy to compare traditional methods of construction with modern methods. Every piece of material has its impact on embodied CO2.
User guidance
This is a technical webtool which enables the user to input and compare various designs for their embodied CO2 impacts. We have created a users guide that takes the user step-by-step through each stage of the webtool. It can be used in one go as a tutorial to support the new user to model their own project and report on its results. Equally the users guide can be dipped in and out of to find information on how to use key elements of the webtool using hyperlinks to the most relevant section. If the user is still stuck by the end of the tutorial then there is an email address which can be used to raise any questions about the use of the Envest for housing webtool.
Disclaimer
This application (and housing benchmarks it contains) is intended for information purposes only and not as a substitute for the application of professional expertise. The Energy Saving Trust gives no guarantee the benchmarks contained comply with the minimum standards of building regulations or for the accuracy of the embodied CO2 results. Anyone using this application (including any reports arising from it) must make their own assessment of the suitability of its content (whether for their own purposes or those of any client or customer), and the Energy Saving Trust cannot accept responsibility for any loss, damage or other liability resulting from such use.
So far as the Energy Saving Trust is aware, the information presented in the Envest for Housing application was correct and current at the time of the last revision. To ensure you have the most up to date version, please refer back to the website. The contents of this publication may be superseded by statutory requirements or technical advances which arise after the date of publication. It is your responsibility to check latest developments.
All results in KgCO2 are based on Global Warming Potential (GWP 100) as defined by the Intergovernmental Panel on Climate Change (IPCC) and are derived from the Green Guide to specification. See:
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