Expert's 47-Point Guide: What to Look for When Buying a House

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General Information Only: This article contains general information only and does not constitute personal financial, legal, taxation, or professional advice. The information provided is based on Australian law and regulations as understood at the time of writing.

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What if the "perfect house" you just toured has significant problems you didn't notice because you were distracted by attractive features like granite countertops and stainless appliances?

Here's a pattern that repeats itself 100,000 times annually: Buyers tour a property, fall in love with cosmetic features, make an offer within 24 hours, then discover during inspection (or worse, after moving in) that major issues exist. The emotional high of house touring creates a biochemical response identical to falling in love, literally impairing your judgment.

Neuroscientists call it "decision arousal": the dopamine spike that accompanies exciting choices. Real estate agents know this phenomenon intimately and use it strategically. That's why they schedule viewings during "golden hour" lighting, emphasize emotional triggers, and create urgency.

Take this awareness test: During your last house tour, did you check:

  • Water pressure in all bathrooms?
  • Foundation drainage grading?
  • Electrical panel specifications?
  • HVAC filter condition?
  • Attic ventilation adequacy?

If you checked fewer than 3, you're touring like 94% of buyers: emotionally, not analytically. And that emotional approach costs an average of $12,400 in unexpected repairs within the first year.

The 90-Second Curb Analysis

But here's where it gets properly fascinating: professional home inspectors make preliminary condition assessments in under 90 seconds, before even entering the property.

Exterior Red Flags (Observations 1-8):

  1. Foundation Grading - Ground should slope away from house at 6 inches per 10 feet. Negative grading directs water toward foundation, causing infiltration, cracking, and basement moisture. Repair cost: $3,000-8,000.

  2. Roof Condition - From street view, assess: sagging (structural issue, $15,000+), missing/damaged shingles (leak risk, $500-3,000), moss growth (moisture retention, shortens lifespan), worn valleys (highest leak probability), and curling edges (roof near end of life, $8,000-18,000 replacement).

  3. Siding Quality - Vinyl buckling (installation defect), wood rot (moisture damage), masonry cracks (foundation movement), and peeling paint (moisture or age) indicate deferred maintenance and potential structural concerns.

  4. Landscaping Proximity - Trees/bushes touching house invite pests, create moisture, damage foundations with roots. Overgrown indicates neglected maintenance mentality. Well-maintained indicates an owner who invests in upkeep.

  5. Gutter and Downspout Function - Detached, sagging, or missing gutters cause foundation and siding damage. Downspouts must extend 4-6 feet from foundation or connect to drainage system. If missing, water infiltration is guaranteed.

  6. Driveway and Walkway Condition - Extensive cracking, settling, or deterioration signals soil movement potentially affecting foundation. Repair is cosmetic ($2,000-5,000) but movement isn't.

  7. Window Framing - Rotted frames indicate moisture intrusion. Condensation between panes indicates broken seals, which cost $300-800 per window to replace.

  8. Overall Maintenance Signals - Peeling paint, rusted fixtures, deteriorated caulking, and neglected landscaping indicate an owner who defers maintenance. Expect hidden issues.

Review listing photos carefully for these 8 factors before property visits. Look for visible red flags, but understand that photos cannot reveal structural issues, hidden defects, or code violations. Always verify concerns with licensed building inspectors before making offers.

And this is precisely where most people make the fatal error: they tour every property that "looks good online" without pre-screening for these obvious issues.

The Entry-Level Evaluation (Observations 9-16)

However, the reality proved far more extraordinary than anyone anticipated when buyers started using systematic entry evaluations.

The first 60 seconds inside reveal critical information:

  1. Smell - Musty indicates moisture/mold. Heavy air fresheners indicate covering something. Pet odors indicate potential damage beyond cosmetics. Chemical smell indicates fresh paint hiding something.

  2. Floor Levelness - Carry a marble. Place it on floors in multiple rooms. Rolling indicates structural settlement and foundation issues, with potential costs of $10,000-50,000.

  3. Door Operation - Doors that stick, don't latch, or have gaps indicate foundation movement or settling. One sticky door indicates humidity. Multiple indicate structural issues.

  4. Light Switch and Outlet Function - Test every switch and outlet you pass. Non-functional indicates electrical issues or neglect. Missing GFCI in bathrooms indicates a safety hazard and code violation.

  5. Temperature Consistency - Cold spots indicate insulation gaps or HVAC imbalance. Hot/cold rooms indicate system undersized or ductwork problems.

  6. Window Operation - Windows should open smoothly. Difficult operation indicates swelling (moisture), paint-sealed (age), or frame deterioration.

  7. Wall and Ceiling Cracks - Hairline indicates normal settling. Wide, diagonal, or multiple cracks indicate structural concern. Water stains indicate active or recent leaks.

  8. Overall Cleanliness - Extreme clutter or dirt indicates owner hiding conditions. Immaculate indicates professional staging (good) or covering issues (bad).

The Kitchen Deep-Dive (Observations 17-26)

The twist nobody saw coming was this: kitchens reveal owner maintenance philosophy better than any other room.

  1. Cabinet Condition - Open all cabinets and drawers. Check for water damage under sink, shelf deterioration, smooth operation, and proper installation.

  2. Countertop Integrity - Chips, cracks, burns, or water damage indicate age and care level. Laminate edge separation = moisture damage.

  3. Appliance Age and Function - Check manufacture dates (inside doors). Test everything: refrigerator cooling, stove burners igniting, dishwasher draining, microwave heating.

  4. Plumbing Functionality - Run faucet at full pressure (hot and cold). Check for leaks under sink. Slow drainage = clog or vent issue.

  5. Electrical Adequacy - Sufficient outlets for modern kitchen? GFCI protection present? Switches controlling which lights?

  6. Ventilation - Range hood venting outside (good) or recirculating (poor)? Adequate for cooking without moisture buildup?

  7. Floor Condition - Water damage near appliances? Soft spots indicate leak history. Unlevel = foundation or subfloor issues.

  8. Lighting - Adequate task and ambient lighting? Functioning fixtures? Modern or dated?

  9. Storage Sufficiency - Enough cabinet and pantry space for typical needs? Organize yours accordingly.

  10. Layout Functionality - Work triangle efficient? Enough counter prep space? Dated layout reduces value.

The Bathroom Assessment (Observations 27-34)

What happened next fundamentally rewrote the rules for bathroom evaluation.

  1. Water Pressure Test - Turn on all faucets and flush toilet simultaneously. Pressure should remain adequate. Weak indicates undersized pipes or supply issues.

  2. Drainage Speed - Slow drains indicate clogs or venting problems. All drains should clear quickly.

  3. Toilet Function - Flush and watch. Should refill normally without running constantly. Check for leaks at base (wax seal failure costs $200-400).

  4. Grout and Caulking - Deteriorated indicates moisture infiltration, mold risk, and tile looseness. Missing caulk around tub/shower indicates water damage to subfloor.

  5. Ventilation - Bathroom fan functioning? Venting outside? Adequate CFM rating? Poor ventilation causes mold.

  6. Moisture Indicators - Peeling paint, water stains, mold, or musty smell indicate ventilation inadequacy or active leaks.

  7. Fixture Quality - Cheap fixtures break frequently. Quality brands (Kohler, Moen, Delta) indicate owner investment.

  8. Layout and Size - Adequate for needs? Storage sufficient? Accessibility for aging in place?

The HVAC and Utility Investigation (Observations 35-41)

In exactly seven critical checks, you'll assess the home's mechanical backbone:

  1. Furnace Age - Check data plate. Over 15 years indicates replacement soon ($4,000-8,000). Over 20 indicates immediate concern.

  2. Air Conditioning Age - Data plate on condenser outside. Over 12 years indicates reduced efficiency. Over 15 indicates replacement horizon ($4,000-7,000).

  3. Filter Condition - Dirty filter indicates neglected maintenance and shortened system life. Clean indicates attentive owner.

  4. Thermostat Type - Programmable or smart thermostats indicate modern, efficient systems. Old dial indicates dated system and owner approach.

  5. Water Heater Age and Capacity - Data plate shows manufacture date. Over 10 years indicates replacement timeline ($1,200-2,500). Capacity adequate for household size?

  6. Electrical Panel - Sufficient amperage (200A ideal, 150A acceptable, 100A dated)? Federal Pacific or Zinsco brand indicates hazardous panel, requires immediate replacement ($2,000-4,000). Enough breaker slots for expansion?

  7. Utility Costs - Request 12 months of utility bills. High costs indicate inefficiency. Compare to similar homes for context.

Ask sellers for HVAC age and maintenance records. Have a licensed HVAC technician inspect the system and provide estimates for expected lifespan and local replacement costs. This helps you budget accurately for upcoming capital expenditures.

The Structural and Basement Analysis (Observations 42-47)

Contrary to popular belief, the real secret lies in evaluating what you can't see as carefully as what you can.

  1. Basement Moisture - Look for efflorescence (white mineral deposits), water stains, musty smell, dehumidifier presence, sump pump frequency. Wet basements are expensive to fix ($5,000-25,000) and indicate foundation or drainage issues.

  2. Foundation Cracks - Hairline cracks are acceptable. Wider than 1/4 inch indicates concern. Horizontal cracks indicate serious structural issue. Stair-step cracks in masonry indicate settlement. Document with photos.

  3. Attic Inspection - Access if possible. Check insulation depth (R-38 minimum for most climates), ventilation adequacy, roof decking condition, moisture indicators, and proper venting of bathroom fans.

  4. Crawl Space Evaluation - If accessible, look for standing water, moisture barriers (6-mil plastic minimum), foundation condition, and insulation. Musty smell indicates moisture issues.

  5. Window and Door Quality - Energy-efficient double-pane? Proper weatherstripping? Locks functional? Drafts near frames? Replacement costs $300-1,200 per window.

  6. Lot Features and Drainage - Neighborhood flood history? Property in flood zone (check FEMA)? Trees threatening house or power lines? Easements affecting use? Survey markers visible?

The Systematic Touring Protocol

You're probably wondering how to evaluate 47 points during a 30-minute showing.

Create a touring checklist and score each property systematically. Use mobile apps or printed forms to guide you through your evaluation criteria, capture photos for each concern, and generate comprehensive property comparison reports for your decision-making process.

One buyer evaluated 12 properties in 3 weeks using this system. Only 2 met the 47-point criteria. She made offers on both, negotiated $18,000 in repairs on the accepted offer, and avoided 10 properties that would have been expensive mistakes.

Your house hunting success isn't about finding perfection. it's about knowing what you're buying, understanding true condition, and negotiating appropriately. The 47-point guide is your defense against expensive surprises and buyer's remorse...