To assist architects and designers in early facade studies GIW have developed this free to use calculator which will offer indicative
window to wall ratios as assessed under NCC 2019 Part J1.
For more detailed assessment prior to development application please contact our office
W (Window Height)
H (Shading Height)
Thanks for using the GIW Window-to-Wall Ratio Calculator.
Please check your inbox or junk mail folder for the results and contact us should you require any further assistance.