Welcome to CalcCart® - where structural calculations for your home renovation meets the ease and convenience of online shopping.

CalcCart revolutionizes the traditional process, offering homeowners and developers a bespoke platform to directly define and customize the structural aspects of their projects, from single and double-storey extensions to loft conversions, all with the simplicity of adding items to a cart.

Step 1 - Select your scheme

Choose the scheme below that most closely matches your own.

The lines in red represent the extended parts, and the lines in black represent the existing parts