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How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more

Sound Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...more
Part L1B
Conservation of fuel and power in Existing Dwellings

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C4SH can also be known as:
Code for Sustainable Homes Daylight Calculation, CSH, Code Assessment, Sustainable Homes, Code for Sustainable Homes,
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In County W
Code For Sustainable Homes in Warwickshire, Code For Sustainable Homes in West Lothian, Code For Sustainable Homes in West Midlands, Code For Sustainable Homes in West Sussex, Code For Sustainable Homes in West Yorkshire, Code For Sustainable Homes in Wiltshire, Code For Sustainable Homes in Worcestershire, Code For Sustainable Homes in Wrexham County,