Your Defect Recognition Inspector

10 Most Frequent House Problems

10 Most Frequent House Problems ( RHI ) ( CMI )


The following problems are typical observations when performing a home inspection service on older or renovated homes, BLT is a Registered Home Inspector and Certified Master Inspector serving Hamilton and the surrounding area.

  1. Negative surface Grading/Poor Drainage The home inspector found this problem to be a major contributor for  allowing water  entry into the basement and crawl spaces. Poor location and below grade drainage of downspouts.

2. Improper Electrical Wiring A common deficiency found was not grounded circuits, lack of GFI’s near a water source and exterior outlets. Panel upgrades usually connected to junction boxes leaving all in home circuits not grounded.

3. Roof Damage The home inspection service found that worn shingles and poor chimney flashing allowed water penetration into the attic space resulting in damage to interior ceilings and possible mould formation.

4. Heating System Problems in this category identified by home inspectors were dirty filters, improper drainage connections for the condensate and poor distribution in renovated basements.

5. Poor Overall Maintenance This is demonstrated by such signs as cracked, peeling, or dirty painted surfaces, crumbling masonry, makeshift wiring or plumbing, and broken fixtures or appliances.

6. Structurally Related Problems Many houses, as a result of problems in one or more of the other categories, sustain damage to such structural components as foundation walls, floor joists, rafters and windows and door headers. Another significant problem that a good home inspection service should uncover.

 7. Plumbing Plumbing defects rank high among renovated and older homes, home inspectors encountered improper venting, S traps, connections between dissimilar metals, dishwasher drains connections.

8. Exteriors Flaws in a home’s exterior, including windows, doors, and wall surfaces, are responsible for the discomfort of water and air penetration, but rarely have structural significance. Inadequate caulking and/or weather stripping are the most common causes discovered in a home inspection.

9. Poor Ventilation Sealing homes and the lack of ventilation, bathroom and kitchen exhausts, insulation covering soffit vents in the attic has resulted in excess humidity which can affect wood structures and create a breeding ground for mould formation.

10. Miscellaneous This category includes primarily interior components, such as, the lack of handrails/guards on stairways, bathroom mould, fixtures not operating properly and cosmetic issues.