House types
In conjunction with our Sustainable Refurbishment guide (CE309) these ‘House Type’ scenarios show the base case and improvements for refurbishing an existing dwelling to a high level of energy performance.
These scenarios represent different house types, built in certain periods. As it is not possible to demonstrate whole house refurbishment for every house type or scenario that exists, we focus on eight houses that are considered to represent about 50% of the entire housing stock.
These scenarios should not be considered as the minimum or maximum energy efficiency level that any dwelling can achieve through fabric and services improvements alone.
Download the complete set of house type scenarios.
Using the guidance
- The first column outlines the existing situation - the house as built, or including reasonable modifications, such as replacement heating systems.
- The second column demonstrates the typical fabric and services improvements required to achieve an improved EPC rating of band B.
- The third column highlights the benefits of this improved EPC rating, including the total reduction in CO2 emissions and the energy cost savings per year.
Microgeneration
These scenarios do not include the use of microgeneration. The choice to use microgeneration technologies, or allow for future use, is dependent on the particular location and orientation of the house type concerned.
Disclaimer
This publication (including any drawings forming part of it) is intended for general guidance only and not as a substitute for the application of professional expertise. Any figures used are indicative only. The Energy Saving Trust gives no guarantee as to levels of thermal transmittance or heat loss, the reduction of carbon emissions, energy savings or otherwise. Anyone using this publication (including any drawings forming part of 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 this publication 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ensure you have the most up to date version, please refer back to the website The contents of this publication may be superceded by statutory requirements or technical advances which arise after the date of publication. It is your responsibility to check latest developments
