Newtown Square spreads across the western edge of Delaware County in rolling, wooded acres, and its roofs are as varied as its homes: 18th-century stone farmhouses, mid-century houses on half-acre lots, brand-new luxury builds, and whole communities of carriage homes and townhomes at Liseter and Ellis Preserve. These are larger, more complex roofs than most, steep gables, dormers, long valleys, and premium materials, and they reward doing the work right. Since 2008, William Penn Roofing has roofed these homes, from the estates around Springton Pointe to the newer rooflines off West Chester Pike.
On a high-end Newtown Square roof, a wrong call gets expensive fast. Owners want to know whether a repair will hold or the roof needs replacing, and we give that answer after a close look, not a guess from the driveway.
The reviews below come from owners and associations we have worked for around Newtown Square and the rest of Delaware County, from stone estates to townhome communities.
Posted on Google G AldridgeTrustindex verifies that the original source of the review is Google. Amazing beyond our expectations. Project Specialist, Kim was very professional, great follow through and knowledgeable. He took his time to thoroughly explain the new roof installation process and proposal. The on-site project manager, Will kept us updated throughout the project and his crew were punctual and finished on time. Great clean up after job completion. Also, the office manager, Ashley was responsive and very accommodating. Highly recommend.Posted on Google Megan LynchTrustindex verifies that the original source of the review is Google. Dave with WPR replaced the roof on our sunroom as well as siding and trim on the front of our house. His crew arrived on time, were professional & cleaned up after they finished. My husband & I are extremely happy with the finished product. We would recommend WPR to anyone needing roofing, trim, siding or gutters. You can trust this company.Posted on Google Ian SmithTrustindex verifies that the original source of the review is Google. I had the pleasure of working with the owner David of William Penn Roofing. He was very helpful with making all of the tough choices with having so many options. The work was completed on time, even in the bad weather. They were very thorough in their cleanup as well. I would highly recommend them for any of your roofing or siding needs! Even there show van as all of the options inside so you can see them in person.Posted on Google MikeTrustindex verifies that the original source of the review is Google. I had roof damage from high winds and reached out for help. Dave responded quickly, arrived promptly, and thoroughly inspected the roof. He identified that the damage was isolated to one area and was able to repair it on the spot. His professionalism, efficiency, and attention to detail were outstanding. I truly appreciated his quick response and quality workmanship. Highly recommend his services to anyone in need of a reliable and skilled roofer!Posted on Google Rich GleesonTrustindex verifies that the original source of the review is Google. Did my roof and banged it out in a single day. Super professional and great communication on the process and timing. Would recommend and use again.Posted on Google Jethro PepeTrustindex verifies that the original source of the review is Google. We recently had William Penn Roofing replace our roof and they did an incredible job from top to bottom. The representative, Kim, did a great job of getting our quote and presenting options to us. The roofing team did a superb 1-day job and cleaned up our yard well. The project manager on the job was there the whole time to answer our questions also! I highly recommend.Posted on Google Sven HedbergTrustindex verifies that the original source of the review is Google. Our roof replacement on 274 East Court Street, Doylestown, was expertly done by William Penn Roofing with a minimum of disturbance to neighbors and traffic. David La Salle’s initial inspection of the failing roof was thorough and quickly followed by a quote. Scheduling and execution were efficient and communication between crew, tenants, neighbors and owners courteous and effective, avoiding all misunderstandings. Supervisors and crew were very professional and friendly and they thoroughly cleaned the job site, side walk and street after completing the job. It is a pleasure to recommend William Penn Roofing, based on quality of work, cost and work crew performance.Posted on Google Joe ETrustindex verifies that the original source of the review is Google. William Penn Roofing did great work on our new roof. Thorough and accurate estimate and scheduled quickly. Roof looks great and they were in and out (and cleaned up) in a day. Whole team was a pleasure to work with. Highly recommend.Posted on Google Elyse GerwickTrustindex verifies that the original source of the review is Google. Really great experience the whole way through with this company. They are excellent with communication, returning calls/emails. Ashley got everything all setup. On the first visit, Kim was very thorough, explaining the whole process, and he had everything with him to be able to show us what we'd be buying (gutter size options, roof colors, and the vents). There was even a folder he left with me with literature and samples I could share with my husband. When the roofers came out they were polite, tidyand did an excellent job with cleanup. It's been 10 days and we have not found a single piece of roofing remnants. The gutters were installed the following day, we opted for 6 inch gutters and downspouts with the gutter guards and couldn't be happier. Again, very professional team and impeccable cleanup. I'd absolutely recommend going with this company for your project and hope to work with them again when we need future work on the house.Posted on Google Patricia KohlheppTrustindex verifies that the original source of the review is Google. William Penn Roofing came to give me a complete inspection of my roof. He explained in detail everything about the roofing from the attic area to the outside. Extremely helpful!
No two Newtown Square roofs are alike. A stone farmhouse carries steep, segmented slate; a mid-century home has a simpler pitch; a new luxury build runs to multiple gables and dormers; a carriage home shares its roofline with the rest of its row. Each calls for a different eye, so we judge the roof on what it actually is, looking at flashing, valleys, ridge detail, and the shaded slopes where the heavy tree cover keeps things damp.
Big, high-end roofs reward careful work and punish shortcuts, especially on slate, cedar, and copper. We bring that same standard to the larger homes over toward Wayne and across the Main Line.
On a big, multi-slope roof, the stain inside can trace to a problem a good distance uphill. Finding that true source is where our residential roofing services begin, and from there we correct it so it stays fixed through the next storm.

We go over the entire roof, every gable, dormer, valley, ridge, chimney, and the ventilation, and hand you a clear written rundown with photos of anything that needs work.

We replace damaged slate, cedar, and shingles, rebuild failed flashing and valleys, reseal around chimneys and skylights, and address the detail work these larger roofs depend on.

Once a roof has reached its end, we build a complete new system: underlayment, ice and water shield, flashing, and the slate, shingle, cedar, or metal a high-end home calls for.

When a storm or a downed limb tears the roof open, our storm damage repair crew tarps and dries the roof in right away, then returns for the permanent fix and photographs the damage for your claim. We respond quickly across Newtown Square and west toward West Chester when severe weather moves through.
On a large roof, these are the early signs worth a call:
Our roofing cost calculator gives you a quick range to start from. Take it as a guide; a close on-site look sets the real price, especially on a larger roof.
A premium roof is a serious investment, and financing lets you get the work done before a small leak reaches the interior finishes below. Ask and we will lay out what is available.
Newtown Square’s commercial side runs from the offices and retail of Ellis Preserve to the buildings along West Chester Pike, much of it flat and low-slope. Our commercial roofing team maintains those roofs across TPO, EPDM, modified bitumen, and coatings, for the owners and facility managers responsible for them.

Ponding, failed seams, and aging membrane are the common flat-roof issues, and we direct the repair to exactly those.
When patching no longer pays, we install a new flat system matched to the building's drainage and use.

A reflective coating can buy a sound flat roof more years and cut cooling costs; we will say plainly whether yours is ready for it.
Reach us by phone, text, or email, and we arrange an estimate at a time that suits you. A Project Specialist comes to the property, gets on the roof, and assesses every section with you.
We provide a written proposal with photos laying out exactly what we found and what the project covers. Your questions are answered in full, and work begins once you approve.
After your deposit and color selections, we handle the Newtown Township permits and order materials. About a week ahead, an email confirms your install date and any preparation needed.
Materials and a dumpster arrive a day or two before the crew. On install day, the Project Manager reviews the plan as the team protects the home, the landscaping, and the grounds, finishing most roofs in a single day.
We remove all debris, run magnetic sweeps for nails across the property, and walk the completed roof with you.
We send the final invoice roughly a week after completion. Once it is settled, we register your manufacturer warranty and follow up to be sure everything is right.
On a Newtown Square home, the material is often about looks and longevity as much as budget. We work across pitched, specialty, and flat systems.

A dependable, architectural-grade choice for the township’s many traditional homes.

Standing-seam and metal roofing for estates and modern builds where longevity and looks both matter.

Authentic cedar shake for a stone farmhouse or estate after a classic, natural roofline.

Copper accents and full copper roofs for the high-end homes where the detail is the point.

Natural or synthetic slate for Newtown Square’s historic stone homes and luxury builds.

A reflective membrane for flat sections, porticos, and commercial roofs.

Durable rubber for low-slope wings, additions, and outbuildings.

A layered flat-roof system for the offices and retail around Ellis Preserve.
On a high-end home, the details around the roof matter as much as the roof itself. Should a project reveal a connected water problem, we can resolve that too.

Gutters and downspouts sized to carry the runoff and tree debris off a large roof and away from the foundation.

Vinyl or fiber-cement siding where water has gotten in behind a worn or dated exterior.

Skylight installation flashed and sealed to add daylight without a leak.

Stucco remediation for the cracking and trapped moisture that appear on older walls.
Window and door installation to swap out units that have started to leak or let in drafts.
What sets the work apart is a straight read on an expensive roof. On a large or high-end Newtown Square home, the difference between a targeted repair and a full replacement can be enormous; owner David gets up and assesses it himself, then tells you exactly where it stands.

The owner is on the roof. David handles the inspection in person, so your estimate is grounded in what he saw on the slate, copper, and flashing, not a salesperson's guess.

We work to the standard a premium roof needs. Slate, cedar, copper, and complex multi-gable rooflines are routine, and we treat the detailing as the job, not an afterthought.

We protect the property. We guard mature landscaping and grounds during the work, and clean up completely, right down to a magnetic sweep for stray nails.
Yes. Big multi-gable roofs, steep slopes, long valleys, and premium materials like slate, cedar, and copper are routine work for us, and we treat the detailing accordingly.
Yes. In communities like Liseter and Ellis Preserve we work directly with owners and their associations on shared roofs, keeping materials consistent across the row.
Yes. We source and match slate, cedar, or specialty shingles to keep the character of an 18th- or 19th-century stone home intact.
Even a newer roof can have flashing or installation flaws, or take storm damage. An inspection tells you whether it is a minor fix, possibly under warranty, or something larger.
Yes. We carry Pennsylvania contractor registration PA HIC #064688 and full insurance, and we pull the Newtown Township permits for residential and commercial roofing.
On a roof this size, a small failure spreads before you notice, and the repair bill grows with it. Have us up for a close look, and you will know exactly where the roof stands and what, if anything, it needs now.
Answer a few quick questions and we'll email your estimate.