• Question: What insulation works best roof insulation or double glazing?

    Asked by kibo to Rachael on 13 Jun 2011.
    • Photo: Rachael Ward

      Rachael Ward answered on 13 Jun 2011:

      Hi Kibo,
      Gosh, I’m not sure I’m the best person to answer this as I’ve never tried to insulate a house!

      It will partly depend on what sort of house you live in – for example, I live in a flat with people above me so obviously, roof insulation is no use to me! However, my windows arent double glazed and I know they can make the flat drafty and cold in the winter!

      Heat rises which is why roof insulation is important and it can save you a lot of money as you need the heating on less and not as much heat has escaped. According to a government advice site, you loose more heat through walls and the roof with windows being less of a problem:

      http://www.direct.gov.uk/en/Environmentandgreenerliving/Energyandwatersaving/Energyandwaterefficiencyinyourhome/DG_064374

      On this site they recommend insulation for your roof and the cavities in your walls but also say that double glazing can cut heat loss through windows by half so I guess, ideally, you’d have all 3!

      I hope this helps!

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