United Kingdom 
Do cordyline roots cause damage to property
25 Sep, 2010
Answers
Most structural damage from plants like cordylines is from the expansion of the base of the stem, rather than the roots themselves.
25 Sep, 2010
Previous question
Generally not, though if its 15 feet high and within a foot of the house wall, or sewer/drains, it might, but only might. It's not like a broadleaf tree.
25 Sep, 2010