Required for all options, the “Build PHPP” buttons including Climate, U-values, Areas, Windows and CheckPHPP.
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This option allows for Paypal fees. The climate tool may still be available if you can provide a country map with PHPP climate regions. If you opt for costs you would need to replace costs given with those in your own currency.
Daylight Factor spreadsheet provided by Mark Siddall. This option also automatically transfers window data into that sheet.
Indicative costs for retrofits: Simple, Variants and Step by Step. Net Present Value (NPV) of capital costs and running costs.
Calculates retrofit or construction CO2 using data from your PHPP combined with Environmental Product Declarations (EPDs) where available.