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Browse blog entries by tag: Building Regulations Part L

Windows: single, double or triple glazing

Posted by Tim Pullen on 3rd June 2009 at 10:07 am

If you are thinking about changing your windows you will need to think about U-values. A U-value measures of the rate at which heat escapes through a fabric, so the lower the figure, the better. A U-value of zero means that no heat is escaping. It is expressed as Watts per square metre…

Posted in: Energy efficiency