Telegraph: The Trust aims to renovate more than five thousand buildings to meet minimum environmental standards. The first priority will be insulation through lagging in the walls and roofs, draught proofing chimneys and double glazing. Saving water will also be important with flow-restricted taps fitted, rain water butts installed and smaller dish washers replacing older models. Energy saving lightbulbs have already been fitted in a number of properties, as have biomass heating systems …