Minor subsidence typically manifests as subtle cosmetic and structural indicators, most commonly featuring fine, hairline cracks measuring less than three millimeters in width that appear around door frames, window corners, or where extensions meet the main house. These small cracks often look jagged, run diagonally, and are narrower at one end than the other. Unlike normal seasonal plaster shrinkage, minor subsidence cracks tend to reappear or widen slightly during hot, dry summer months as clay soils dry out and shrink. Homeowners might also notice minor sticking in interior doors or slight gaps opening up along skirting boards without any major slope or floor distortion.
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