Building Inspections Thornlie
Real Builders. Better Inspections.
Building & Pest Inspections by Real Builders (BP104751) | Thornlie’s #1 Rated Building Inspection Company with our Famous Price Beat Guarantee | Trusted by 30,000+ Perth Homeowners
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INSPECTIONS BY REGISTERED BUILDERS
Thornlie’s #1 Rated Building and Pest Inspection
Thornlie sits about 15 km south-east of the Perth CBD, with the Canning River along its northern edge and Thornlie station at the end of the line. The suburb grew in stages after the Thornlie Park farm was sold at auction in the early 1950s. North-east Thornlie came first in the 1950s and 60s, then Crestwood and south Thornlie in the 1970s, Castle Glen in the 1980s, and Forest Lakes from the 1980s onwards. Crestwood is a Radburn-style estate that drew international attention in the 1970s. Thornlie Square dates from the same era.
The three defect categories we see most in Thornlie homes are asbestos-cement materials, roof and gutter deterioration, and cracking and movement in walls and slabs. Homes from the 1950s to 70s often have asbestos sheeting in eaves, laundries and outbuildings. Older roofs have cracked tiles, worn pointing and rusted gutters. Cracks appear in brickwork and slabs after decades of seasonal soil movement, and we sort the harmless from the ones that need follow-up.
Thornlie is a suburb of many eras, so no two streets are quite the same. Radburn layouts, original 1950s houses, 1980s brick and newer infill all have different weak spots. A registered builder knows them all. We inspect the structure, roof and timber, and you get your report within 24 hours.
The difference with WA Building Inspections is simple: our inspectors are licensed registered builders (BP104751). Real Builders. Better Inspections. That’s why over 30,000 Perth home buyers have trusted us.
What’s Included in Your Thornlie Building & Pest Inspection
Comprehensive Pre Purchase Building Inspections
Every Thornlie inspection is carried out by a licensed registered builder (BP104751), not a generalist with a checklist. We physically access roof voids, subfloors and external structures wherever it’s safe to do so, and we inspect against the building code our inspectors have spent their careers working under. On Thornlie’s mix of 1950s, 70s and 80s homes, our builder-inspectors adjust the inspection to the era, checking asbestos-cement sheeting, roof condition and wall and slab cracking, and looking closely at Radburn-style layouts.
Compliant with AS 4349.1–2007.
Termite & Pest Inspection Thornlie
A full timber pest inspection is included with every combined booking, not bolted on as an upsell. We check for active subterranean termite activity, evidence of past activity, termite conducive conditions, failed or expired chemical barriers, and wood borer activity across the property, fencing and outbuildings.
Thornlie’s Canning River frontage, mature garden trees and older timber fencing and roof framing give termites shelter and food. We check fences, sub-floor areas, roof voids and garden beds on every inspection.
Compliant with Australian Standard AS 4349.3–2010.
Detailed Photo Report
Your Thornlie report lands in your inbox within 24 hours of the inspection. It’s not a generic template. Every defect we identify is photographed, captioned and explained in plain English with the relevant Australian Standard or NCC clause cited where applicable. You’ll see exactly what the issue is, why it matters, and what it’s likely to cost to remediate. We also include a follow-up consultation call so you can walk through the findings with your inspector before any negotiation or settlement decisions.
Fixed Pricing, No Surprises
Thornlie Building Inspection Pricing
Building & Pest Inspection
MOST AFFORDABLE- ✔ Comprehensive Building & Pest Inspection Perth
- ✔ Report within 24 hours
- ✔ Based on 4×2 home
- ✔ Licensed & insured inspectors
- ✔ Money Back Guarantee
- ✔ Price Beat Guarantee
Advanced Building & Pest Inspection. Includes thermal imaging
MOST POPULAR- $999
- ✔ Advanced Comprehensive Building & Pest Inspection Perth with Thermographic Inspection
- ✔ Thermographic scan detects invisible leaks & moisture damage
- ✔ Identifies issues not visible to the naked eye
- ✔ Voted Perth’s Most Comprehensive Inspection
- ✔ Report within 24 hours
- ✔ Based on 4×2 home
- ✔ Licensed & insured inspectors
- ✔ Money Back Guarantee
- ✔ Price Beat Guarantee
- Prices exclude GST
What We’ve Found in Thornlie Properties
What Thornlie Clients Say
Frequently Asked Questions
How much does a building and pest inspection in Thornlie cost?
Our building and pest inspection in Thornlie is $499 + GST, fixed price, and it saves $99 + GST (approximately 16.6%) compared to booking the two separately, based on a 4×2 home. For buyers who want the most thorough inspection available, our Advanced Building & Pest Inspection is $799 + GST. Pricing is fixed with no travel surcharges across Thornlie, Langford, Kenwick, Maddington, Gosnells, Southern River and Canning Vale and the surrounding south-eastern suburbs.
What does a building and pest inspection cover?
Our inspectors inspect more than your average inspector. How? We are qualified registered builders, so we go where the others won’t and we detect what the others can’t. Read more about what a full building and pest inspection covers.
How long does a building inspection in Thornlie take?
Most inspections take 2 to 3 hours, depending on the size, age and access of the home. Older homes, bigger blocks and homes with extensions or outbuildings take longer, because we inspect all of it. Your detailed photo report arrives within 24 hours.
Do I need a termite inspection in Thornlie?
Yes. Thornlie has decades-old homes with mature trees and timber in fences, pergolas and roof frames. Termites work quietly, and a house that looks sound can be damaged inside. Our building and pest package covers it. See what termite damage looks like.
Which suburbs around Thornlie do you cover?
We cover all of Thornlie (6108) and the suburbs around it, including Langford, Kenwick, Maddington, Gosnells, Southern River and Canning Vale. We inspect right across the South East & Canning and the rest of Perth.
Is a building inspection required when buying property in Western Australia?
It isn’t a legal requirement, but Consumer Protection WA recommends making your offer subject to a building inspection. Without one, you buy the home as it is. Make sure your contract includes a building inspection clause, and book the inspection within 2 to 3 business days of your offer being accepted so you have time to act on the report.
What should I look for when buying a home in Thornlie?
Find out the era first, because it tells you what to expect. Check eaves and outbuildings for asbestos-cement. Look at the roof, gutters and brickwork for wear and cracks. Ask what renovations were done and whether they were approved. Our checklist of what to check before buying covers the rest.
I’m building a new home in Thornlie. Do you offer new construction inspections?
Yes. We inspect new homes at every stage, from the slab through to handover. See our guide to construction stage inspections in WA, and use our PCI checklist before you take the keys. It’s far cheaper to have the builder fix defects before you move in than after.
Can you negotiate the price after a building and pest inspection?
Yes. A detailed report with photos and plain-English explanations gives you solid evidence to renegotiate the price or ask the seller to fix defects before settlement. Talk to your settlement agent early, because your building inspection condition has a deadline.
What makes WA Building Inspections different?
Our inspectors are licensed registered builders (BP104751). Real Builders. Better Inspections. We know how a home should have been built, not just how it looks, and we inspect to AS 4349.1 with a full timber pest inspection to AS 4349.3. Every report arrives within 24 hours, with a follow-up call to walk you through it.
Are Radburn-style homes in Thornlie's Crestwood different to inspect?
Yes. Crestwood was designed in the 1970s with pedestrian pathways and homes facing shared open space. The layouts, carports and boundary details are different from a standard street. We check the structure, roofs, drainage between homes and any additions that changed the original design.
How do I book a building inspector in Thornlie?
Book online at wabuildinginspections.com.au in under 60 seconds, or call 1300 23 63 63. Choose Thornlie, pick your inspection type and a time, and we’ll take it from there.
Other Thornlie Building Inspections
Construction Stage Inspections
Identify and document defects during construction, creating early evidence if issues later escalate into a dispute or SAT matter.
Defect Liability Report
The key stage where most disputes begin.
Documents defects during the warranty period, forming the foundation of your case if the builder refuses to rectify.



