The NHBC Foundation Depth Calculator Plus (FDC+) help users identify tree species and calculate chapter 4.2 foundation depths when building near trees in a clay soil.

The app has the following features:

· An enhanced foundation depth calculator

· A tree identification tool

· A built in distance and height assessment tool

· A visual, bespoke NHBC tree guide

FDC+ also confirms the governing tree type, suitable heave precautions, and which tree(s) require them to be provided.

For more information go to www.nhbc.co.uk/apps