1. Gilli Hobbs/ Darryl Croft BRE/ ACE

2. T-Zero Programme Reducing energy, water, waste and other impacts through refurbishment of homes Completion January 2010 Tool for decision-making, access to information, case studies, products, suppliers & services Case studies for social, private owned and rented homes Exploitation – maximise outputs of the project, working with others

3. Partners

4. Case studies… Weblog entry Performance before & after Actual costs & benefits What worked? What was challenging? Lessons learnt Filtered by Measure: Insulation Glazing, draught proofing, lighting Heating system Renewable energy Water conservation Material resource use Conservation/Heritage Other Environmental Impacts Quality/ Comfort

5. T-ZERO – Tool Basics....

6. Model Your Existing Home

7. Chart the packages on a total cost curve: Gives total costs over 30 years, including:  Fuel costs  Reinstallation costs  Maintenance costs Estimate your current: CO 2 emissions Energy demand Utility bills EPC ratings  User offered 5 headline packages: Top CO 2 saving Best Payback Best NPV Top EPC rating Highest Bill saving Results- package options  Explore tabs for each parameter, containing top package at varying budget limits.  Apply overall budget filter.  Include/Exclude specific technologies.

8. Act on your results- Marketplace  Find local supplier, installers and retailers of the measures in your package.  Option to request a quotation.

9. T-ZERO – More....

10. Manage Your Buildings User’s portfolio- simple Manage multiple buildings

11. Manage Your Buildings User’s portfolio- advanced Create groups of projects Develop templates to enable quick modelling of standard property types

12. + Case studies for all measures; And an Information Centre giving detailed advice on measures, grants, planning issues;

13. Try out the tool once completed (end Dec 2008) www.tzero.org.uk Currently looking for: Case studies Opportunities to promote the tool to all stakeholders- home-owners, building professionals, housing providers, suppliers, installers, consultants etc. Suggestions for tailoring to support niche markets. E.g. Empty homes. Getting involved