If you are wondering how much money you can save by using different energy saving measures, here is a 2 page document which may help - sent to me by architect Julian Marsh.
This is a design proposed for a refurbishment of a typical terraced house in the Meadows area of Nottingham, but it is broadly applicable to many solid wall homes. It includes both low cost measures and higher cost measures to create a predicted 88% reduction in CO2 emissions with a comparatively modest outlay.
This house, when refurbished, will be used as a show home to illustrate the technologies, their costs and benefits to the public. To view, go to:
It is not the only interesting projects running in the Meadows. For more information about MOSES (Meadows Ozone Energy Services, a community owned energy company, go to http://www.meadowspartnershiptrust.org.uk/energy/mozes.aspx)