Trees Proximate to Dwelling with Potential Future Impact
Trees Proximate to Dwelling with Potential Future Impact is a low-severity soil & foundation defect SURE inspectors have documented across 3 inspection reports.
Causes
- Mature trees planted or growing in close proximity to the building
- Moisture fluctuations in soil due to tree water uptake
- Root expansion over time
- Tree roots can affect soil moisture levels and cause ground movement, leading to foundation issues
- Proximity of trees to foundations
Symptoms to look for
- Trees visible near the building perimeter
- None currently observed, but potential for wall cracking or other defects in the future
- Currently no observed defects/wall cracking
- Potential for future issues
Remedies
- Monitor and maintain existing vegetation (including roots) to ensure no future impact to the building
- Monitor and maintain existing vegetation, including roots, to prevent future impact
- Consult an arborist for inspection
Worth asking our inspector about this specifically.
This is common across Perth stock and usually fixable without drama, but the scope of the fix varies. Every SURE inspection includes 12 months of free advice. Call out the defect by name and we check for it directly.
Curated entries in Soil & foundation
- Curated 1–4/5Trees in Close Proximity to Dwelling
Large trees within the foraging radius of the dwelling - typically any tree within 3 m for small species, or within 10 m for large eucalypts - introduce two distinct risks: root-driven soil moisture fluctuation that causes differential footing movement on reactive clay, and a direct termite foraging corridor between a timber food source in the crown or root system and the building structure. Neither defect is always present, but the proximity constitutes a conducive condition that warrants ongoing monitoring.
- Curated 2–5/5Reactive Clay Soil Movement Affecting Foundation
Seasonal expansion and contraction of reactive clay soils causing cyclical foundation movement, wall cracking, and floor level changes. Prevalent in Sydney Western Suburbs and some Perth clay zones. Severity depends on soil class (H, H1, H2, E) and footing design adequacy.