Never plant these 12 trees near your house: they crack walls and sabotage your pipes
« The roots of certain trees can literally tear your house apart », warns Isabelle Martin, structural engineer at the National Building Institute. Homeowners across France face costly repairs after planting aggressive species too close to their foundations. In 2026, experts confirm that some popular trees remain silent saboteurs of walls and pipes. Roots extending over 20 meters crack walls and lift pavements The weeping willow is notorious for its invasive root system, which can stretch up to 25 meters underground. These roots exert pressure on foundations, causing cracks that often go unnoticed until severe damage occurs. « We’ve seen cases where entire patios were lifted by willow roots, leading to structural instability », explains Isabelle Martin. Such damage is particularly acute on clay soils, common in many French regions, where the soil expands and contracts with moisture. The presence of large trees like willows or oaks near houses amplifies these movements, worsening wall fissures. Local authorities in Normandy report a 15% rise in foundation…