Scottish homes today are conspicuous energy consumers emitting on average 3 ton-CO2 per house annually. The figure indicates the operational carbon dioxide (CO2) emission is much higher than the UK average of 2.75 ton-CO2. Moreover, approx. 30% of the households today are facing fuel poverty. The Scottish Government has set a green housing delivery target that all newly built homes would be carbon-neutral by 2016/17. Having recognised such imminent issues, NRGStyle Ltd. is taking the actions towards the future delivery of zero-energy/carbon affordable homes in Prestwick, Scotland. The planning of such challenging affordable homes may highly be based on innovations and non-traditional practices. Thus, this feasibility study was the initial attempt for the company to grasp how the relevant passive design techniques and active renewable technologies should be identified and measured in view of the operational energy use, cost and CO2 emissions. Accordingly, it led to the development of a cost-effectiveness measurement model which consists of (1) steps (process) towards the identification of potential design options and the combinability and the assessment of energy consumption, operational energy cost and CO2 emissions, as well as (2) a value visualisation analysis matrix (product). The energy-related assessment is based on the UK Government’s Standard Assessment Procedure (SAP) for Energy rating of Dwellings (2009 version). Moreover, in order to identify design options, the energy and resource usage patterns of NRGStyle’s existing house were examined using EWGECO’s gas, electricity and water monitor. Domestic energy wastes could be calibrated, reduced or eliminated by displaying the energy and resource usage. The assessment of the design options was tailored to meet NRGStyle’s expectation for the application to their new housing prototype called ‘ZEMCH109’. The original design approach was considered as the benchmark figure of this cost-effectiveness assessment where the operational energy cost was highlighted in this study and the future value was calculated using a future worth method based on the time value of money concept—e.g. a period of 10 years and 10% interest rate.