Professional Home Inspection in Radnor, PA
InterNACHI-certified home inspection serving Radnor and all of Delaware County. Bob personally inspects every major system β structure, roof, electrical, plumbing, HVAC, foundation, and exterior envelope β against ASHI and InterNACHI standards. Full 24-hour photo-documented report. 4.9β , 169 Google reviews.
Inspections typically scheduled within the week. Bob returns every call within 24 hours.
Radnor, Delaware County
What does a home inspection in Radnor include?
A home inspection in Radnor, Delaware County is a top-to-bottom evaluation of a single property -- foundation, structure, roof, electrical, plumbing, HVAC, and exterior envelope -- performed in person by Bob against ASHI and InterNACHI standards, with a full photo-documented digital report delivered inside 24 hours.
Radnor Township sits at the heart of Pennsylvania's Main Line, a stretch of affluent communities that grew up alongside the Pennsylvania Railroad in the late 19th century. The township encompasses Wayne, the commercial and civic hub, as well as the walkable neighborhoods surrounding Villanova University and Eastern University. Landmark institutions define the area: Villanova University with its Augustinian roots and Gothic Revival architecture, the Radnor Hotel on East Lancaster Avenue, Wayne Art Center, the historic Wayne Presbyterian Church, and the Radnor Township Building anchor a community that takes preservation seriously. Shopping along Lancaster Avenue in Wayne -- from Pour Richard's to local boutiques and the Wayne Farmers Market -- reflects a neighborhood that blends old-money character with modern convenience. Radnor Memorial Library serves residents across the township, while the Radnor Trail offers a green corridor connecting neighborhoods from Wayne to Ithan. The Devon Horse Show grounds, just over the border, speaks to the equestrian culture embedded in the region. Residential streets like Chamounix Road, Conestoga Road, and Roberts Road are lined with stone Colonials, Tudor Revivals, and Georgian estates, many of them predating World War I. The school district -- Radnor Township School District, including Radnor High School -- draws buyers from Philadelphia and beyond. Wayne Train Station on SEPTA's Paoli/Thorndale Line connects residents directly to Center City, making the township a perennial target for buyers relocating from the city. The housing stock reflects that long history of desirability: a large share of homes were built between 1890 and the 1940s, with Craftsman bungalows and Victorian frame houses filling in between the grander stone estates.
What I see consistently in Radnor is what you would expect from a township where many homes were built before the Great Depression and never fully modernized behind the walls. The curb appeal is exceptional -- stone facades, slate roofs, original millwork -- but the mechanical infrastructure underneath often tells a different story. Knob-and-tube wiring is still energized in a surprising number of these homes, sometimes hidden beneath blown-in insulation that was added decades later, which creates a fire hazard that does not show up unless you know where to look. Stone foundations in the older Colonials and Tudor Revivals are porous by design; lime mortar joints that have been slowly eroding for a century create pathways for water intrusion that stain basement walls and feed mold behind finished paneling. And the original clay sewer laterals that served these homes in the 1910s and 1920s are at the age where root intrusion and bellied sections are the norm rather than the exception -- a sewer scope is something I recommend for virtually every pre-1940 home I inspect in this township. Buyers relocating from newer construction in Haverford or Bryn Mawr are sometimes surprised by how much deferred maintenance accumulates quietly in a home that looks immaculate from the street. My job is to make sure none of it surprises you after closing. I document every finding with photographs, give you a plain-language cost range for repairs, and sort issues into what needs attention now versus what can be planned over the next few years. Call 610-348-6728 to schedule.
What does Bob check during a Radnor home inspection?
Bob approaches every Radnor inspection per ASHI and InterNACHI Standards of Practice. With 1890sβ1960s housing stock dominant in Radnor, he focuses on the era-specific concerns that affect early to mid-20th century construction in Delaware County.
Block & Poured Foundations with Clay Laterals
1920sβ1940s homes typically feature poured concrete or concrete block foundations β an improvement over stone, but still vulnerable to cracking and water intrusion after 80+ years. Bob pays special attention to clay sewer laterals common in this era, which suffer from tree root intrusion and joint separation.
Early Electrical Upgrades & Oil-to-Gas Conversions
Many homes from this era have had multiple electrical upgrades layered over original wiring β sometimes creating code violations where old and new systems connect improperly. Bob also evaluates oil-to-gas furnace conversions, checking that chimney liners, supply lines, and venting meet current safety standards.
Original Slate Roofs & Plaster-Over-Lath Moisture
Original slate and clay tile roofs from the 1920sβ1940s may still be serviceable but require careful inspection for worn fasteners and deteriorating underlayment. Bob checks for plaster-over-lath moisture issues where exterior water intrusion saturates wall cavities behind intact-looking plaster surfaces.
Plaster Walls, Hardwood Floors & Early Insulation
These homes feature quality craftsmanship β hardwood floors, plaster walls, built-in cabinetry β but often lack adequate insulation by modern standards. Bob evaluates whether past insulation retrofits were done properly and checks for moisture trapped behind plaster from exterior or plumbing leaks.
Because so much of Radnor's housing stock predates 1940, original wiring is a recurring finding here. Bob wrote a detailed field guide on knob-and-tube wiring in Philadelphia-area homes β how to identify it, when it is genuinely hazardous, and what insurers require.
What are common issues in Radnor homes?
Based on 20+ years inspecting early to mid-20th century homes in Delaware County, these are the issues Bob finds most often in Radnor's 1890sβ1960s housing stock:
- Clay sewer laterals with tree root intrusion and bellied sections
- Layered electrical upgrades with code violations at old/new connections
- Oil-to-gas furnace conversions with improper chimney liner sizing
- Original slate or clay tile roofs reaching end of useful life
- Plaster-over-lath moisture damage hidden behind intact-looking walls
- Inadequate insulation and single-pane windows driving high energy costs
Ready to schedule your Radnor inspection?
Inspections typically scheduled within the week. Bob returns every call within 24 hours.
Also Available: Mold Testing & Air Quality in Radnor
In addition to home inspections, Bob provides professional mold testing and air quality analysis for Radnor properties. PRO-LAB certified lab results starting from $290.
Learn About Mold Testing in RadnorSchedule Your Home Inspection in Radnor
Same-week appointments available. Bob personally oversees every inspection β you always know who's walking through your home.
610-348-6728MonβSat, 7amβ7pm • Urgent pre-closing available
Get a Free EstimateInspection Services in Radnor
- Residential Home Inspection
- Pre-Listing Inspection
- New Construction Inspection
- 11-Month Warranty Inspection
- WDI / Termite Inspection
- Radon Testing
Pricing for Radnor
Every home is different. Call Bob for your specific quote β he'll give you an honest number on the spot.
See Full Pricing Details βMore Radnor Pages
Nearby Areas Also Served
Why Choose Bob
Why do Radnor homeowners choose All Seasons?
You Always Get Bob
When you hire All Seasons, Bob personally oversees your inspection β start to finish. No corporate dispatch, no unknown inspector. You know exactly who's walking through your Radnor home.
InterNACHI Certified
InterNACHI Certified Professional Inspector with 20+ years of specialized expertise in Delaware County's 1890sβ1960s housing stock.
24-Hour Reports
Your detailed, photo-rich inspection report delivered the same day. No waiting β so you can make decisions within your contract timeline.
Early to mid-20th century Expertise
Bob has deep experience with 1920sβ1940s construction β homes built with real craftsmanship but aging infrastructure. He knows the common failure points: clay laterals, layered electrical upgrades, oil-to-gas conversions, and plaster moisture issues that other inspectors miss.
From the Blog
What should Radnor homebuyers know about inspections?
Get in Touch
How do I schedule a home inspection in Radnor?
Same-week appointments available throughout the Philadelphia region.
Tell Us About Your Property
Bob returns every call within 24 hours. Inspections typically scheduled within the week. No spam, no email lists.
Common Questions
What are common home inspection questions in Radnor?
Questions buyers and sellers in Radnor ask us most often β answered directly.