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We are aware that some documents on recent planning applications are not showing at the moment. We're working on a fix and will resolve the issue as soon as possible. Apologies for any inconvenience.

Calculation tools and useful websites

below are a variety of links to external websites, a water efficiency calculator, area weighted U value calculator and other useful tools relating to building control and building regulations.


U value calculators and water efficiency calculator


Thermal insulation guidance


Approved documents


 For more information and useful links

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