Conducive conditions for termites, the timber is in contact with the ground and plants are growing up against the house. The age of the building and timber types used in the construction both impact the susceptibility of timbers to termite attack.
Is there additional timber food source around and under the building? Are there any areas of excessive moisture? Drainage issues around and under the building, as well as internal leaks, which are considered highly conducive conditions for termite activity.
Other conditions conducive to termite activity are bridging or a breach of a termite management system.