Building materials like new windows are not only costly to buy but are also environmentally costly to manufacture and deliver. Here we look at what can be done with light weight materials to make your home cosy with less detriment to the environment.
Repeating Challenge
Fit one or where practical two layers of secondary glazing film to all windows. Wicks sell it. 
Repeating Challenge
Fill cracks and gaps with filler or putty to block out drafts particularly in ceilings.
Repeating Challenge
Close internal doors and fit draught excluder tape to both internal and external door frames to keep heat where it is most wanted.
Repeating Challenge
Fit loft insulation if you have less than 4 inches and fit up to 10 inches particularly above rooms that are used regularly in cold weather.
Repeating Challenge
Loft hatches should have draught excluder tape fitted as well as a cushion of loft insulation above them.
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Use curtains to keep heat in at night.
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Use closed porches as an air lock to keep heat in.
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Fit temporary double glazing to closed porches and use them as a source of heat when the sun shines.
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If you don’t have a closed porch fit a curtain to the front door or set back a couple of feet to make an air lock.
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Allow your home to warm up using sunlight as a priority so that the walls store up heat for release on colder days.
Repeating Challenge
During a heat wave use curtains to keep out the heat and cool the walls at night by opening windows.
Repeating Challenge
Insulate cavity walls particularly of rooms used in the winter.
One-hit Wonder
Put an insulating jacket around your hot water tank.
One-hit Wonder
Find out how you can make and fit Radiator Heat Deflectors to heat your room more effectively with the instructions on this info sheet.