Useful Calculation Tools
- Water efficiency calculator tool (Excel Spreadsheet, 0.71 MB) - Excel spreadsheet that allows calculation to demonstrate water efficiency in relation to Approved Document G 2009.
- Area Weighted U Value Calculator 2010 (Excel Spreadsheet, 0.11 MB) - Excel spreadsheet that allows calculations to demonstrate a more flexible design particularly useful for extension with excessive glazing.
- http://www.cba-blocks.org.uk/tech/tech_uvalue.html - Concrete Block Association calculator for masonry walls, simple to use.
- http://www.celotex.co.uk/Other-Resources/U-value-Calculator - Celotex U value calculator for various construction types, easy to use.