Windows and Doors Prescott: Custom Installation & Replacement

Content Strategist Sonya June 5, 2026 · 10 mins read

Common Causes of Window Failure in Prescott Homes

Half of Prescott consists of heritage properties built when this was a busy St. Lawrence River port:  stone buildings from the 1800s, brick homes from the early 1900s, properties with thick walls and windows that were custom-fitted to each opening. The other half is modern construction: subdivisions that went up in the 1990s and 2000s with standard builder-grade windows now reaching end-of-life.

The problems differ dramatically based on which type of home you own.

If you’re in a downtown heritage property, your challenges start with the fact that nothing is standard. Original windows were custom-fitted to openings cut by hand into stone or brick walls. That living room window might measure 41.25 inches wide. Your bedroom window might be 37.5 inches.

The window on the landing could be 44 inches. None of these match modern “standard” sizes of 36, 48, or 60 inches. When those old windows finally fail — and after 120+ years, they’re failing — you can’t just order replacements from a catalogue. Everything needs custom manufacturing built to your actual measured dimensions.

If you’re in a newer subdivision home, you’re dealing with builder-grade double-pane windows installed 15-25 years ago. The seals between glass layers break down, you get that fog or moisture between panes that won’t clean off, weatherstripping hardens and cracks from temperature cycling, frames warp slightly so windows don’t close properly anymore.

These problems are predictable. It’s what happens to windows after two decades of expansion and contraction through Ontario winters and summers. The good news is your openings are standard sizes, which makes replacement straightforward.

If you’re near the St. Lawrence waterfront, you’ve got an additional problem regardless of when your house was built: persistent humidity from river proximity. This shows up as condensation on cold window surfaces. You see water running down the interior glass, pooling on sills, eventually causing rot and mould.

You might think this is normal, but it’s actually a sign your windows aren’t performing adequately for waterfront conditions. The solution requires windows that keep interior glass surfaces warm enough that moisture can’t condense on them. Typically, triple-pane windows with proper coatings.

Energy-Efficient Window Styles for Prescott Properties

Heritage Properties Downtown (Near Fort Wellington, King Street, Water Street)

If your home was built in the 1800s or early 1900s, double-hung windows probably match your original style best. These are the traditional windows where both top and bottom sashes move independently, and both tilt inward for cleaning. Modern versions maintain period-appropriate appearance from the street while incorporating contemporary insulation technology inside the frame.

We manufacture these to your actual opening dimensions. If your window measures 41.25 inches wide, we will build a 41.25-inch window. If it’s 37.5 inches, we build 37.5 inches. Custom work takes longer but results in a proper fit without forcing wrong sizes into wrong openings or modifying historic masonry.

Waterfront Properties (Near the St. Lawrence)

Properties within sight of the river deal with sustained humidity that inland homes don’t experience. This creates condensation problems on inadequate windows: water forms on cold glass surfaces, runs down to sills, causes ongoing moisture damage.

Casement windows work particularly well in waterfront locations. They use crank mechanisms and compress against the frame when closed, creating tighter seals than sliding windows with track-based weatherstripping. This compression seal performs better in high-humidity environments.

Triple-pane glass makes sense for waterfront properties. The extra insulation keeps interior glass surfaces warm enough that moisture doesn’t condense even with high ambient humidity. The cost difference versus double-pane is 25-30% more, but for waterfront locations where condensation is a constant battle, this upgrade typically proves worthwhile long-term.

Subdivision Homes (1990s-2010s Construction)

Newer Prescott homes typically have standard-size openings and straightforward replacement needs. The main decision is what level of performance you want since you’re replacing anyway.

Casement windows work well in kitchens, bathrooms, and bedrooms where you want both ventilation and tight sealing when closed. Picture windows make sense in living rooms facing your best views — these don’t open at all, they’re purely for light and sightlines. Pair picture windows with operable windows on adjacent walls for ventilation, and you get the best of both worlds at a lower cost than making every window operable.

Basement Windows (All Property Types)

Basements present specific challenges. Sliding windows fit the horizontally oriented openings common in basements and operate without needing clearance to swing. Hopper windows tilt inward from top hinges and work well where building code requires egress-sized openings for basement bedrooms.

Ground-level and below-grade windows benefit from triple-pane glazing. They’re constantly exposed to ground cold and moisture, making condensation more likely with inadequate insulation.

Exterior Door Replacement: Entry & Patio Doors in Prescott

Your windows might be what you notice first, but doors matter just as much for comfort, security, and energy performance.

Entry Doors: Fibreglass vs. Steel

Fibreglass entry doors and steel doors both work in Prescott’s climate. The choice comes down to priorities.

Fibreglass resists denting if something hits it, can replicate wood grain texture convincingly (or provide a smooth modern finish), and typically weighs less for easier operation. Good choice if matching traditional wood appearance matters or if the door location gets occasional impacts. Also performs well in direct weather exposure without warping concerns.

Steel provides maximum security, harder to force than fibreglass or wood, and foam core insulation delivers excellent thermal performance. Usually costs less than comparable fibreglass while still providing quality construction and operation. Good choice if security is the primary concern or the budget is constrained.

Both types are available with multi-point locking systems engaging at three or four points along the frame rather than the old-style single deadbolt. Much harder to force entry. Both perform well long-term with minimal maintenance beyond occasional cleaning and hardware lubrication.

Patio Doors and Garden Doors

Old patio doors typically have terrible sealing: you feel drafts even when they’re closed, condensation forms on glass in winter, operation gets difficult as the track weatherstripping deteriorates. Modern versions use better materials, multi-point locking that compresses seals closed, and insulated glass that prevents condensation.

Sliding patio doors work when deck space constrains the door swing. They operate in the same plane as the wall, requiring no clearance. French-style garden doors provide a traditional appearance with both panels swinging open for full-width access. Both are available with triple-pane glass for waterfront properties or anywhere condensation is a concern.

The performance difference from old to new patio doors is dramatic: better sealing, better insulation, smoother operation. If your patio door is 15-20+ years old and showing its age, replacement delivers immediate comfort improvement.

Custom Windows for Prescott Heritage & Historic Homes

When we say “custom manufacturing,” we mean measuring your actual opening dimensions and building windows specifically to those measurements. Not “close enough” standard sizes with extra caulking to fill gaps. Not modifying your 120-year-old stone walls to accept modern standards. Actual custom work.

The process starts with careful measurement of every opening. We record exact widths, heights, and check if openings are square (often they’re not after a century of settling). These measurements go directly to manufacturing, where each window gets built to specification.

Production time is 6-8 weeks because nothing comes from existing inventory — everything is individual work. The result is windows that fit your openings properly without air gaps around perimeters that compromise thermal performance and allow moisture infiltration.

Cost is higher than standard-size installation, but it’s an appropriate cost for appropriate work. Heritage properties need proper solutions, not cheap shortcuts that create problems within a few years.

Our Prescott Window Installation Process & Warranty

Distance from Ottawa affects scheduling. Prescott sits roughly 80 kilometres east via Highway 401 and Highway 2, about 60 minutes travel time. We coordinate installations to make this drive worthwhile rather than squeezing Prescott projects between city appointments.

Here’s the typical process from start to finish:

Step 1: Measurement Visit (30-45 minutes, no charge)
We come to your Prescott property, measure every window opening, discuss what you want, examine current conditions to identify any issues like rot or structural concerns. For heritage properties, we photograph existing windows for documentation if heritage approval applies.

Step 2: Quote and Manufacturing (6-8 weeks)
We provide a detailed quote with exact pricing, including rebates. Once approved, your windows go into the manufacturing queue. Custom sizes take the same 6-8 weeks as standard. Everything we do is built-to-order, regardless of dimensions.

Step 3: Installation (1-2 days typical)
Most residential projects are completed in one to two days, depending on window count and complexity. Heritage properties sometimes require extra care around period details or structural considerations. We remove old windows, install new ones with proper shimming and sealing, clean up thoroughly, haul away old units.

Total timeline: 8-10 weeks from initial measurement to project completion.

Warranty: 25 years covering frames, glass seals, hardware, and installation work. Fully transferable to subsequent owners if you sell—adds value during property transactions.

Window and Door Replacement Costs in Prescott, ON

For newer homes with standard-size windows, replacement costs follow typical residential pricing. The main variable is whether you choose double-pane or triple-pane—triple costs approximately 25-30% more but provides roughly 50% better insulation. For a typical 10-window project, you’re looking at several thousand dollars, depending on specifications. Exact quotes depend on measured sizes and your performance requirements.

For heritage homes requiring custom sizes, costs are higher because every window gets individually manufactured to your specific measurements. There’s no pulling a standard 48-inch window from inventory—each one is built specifically for that opening in your house. Custom manufacturing adds both time (6-8 weeks) and cost, but it’s the only way to get a proper fit without modifying 120-year-old masonry.

Government rebates help regardless of project type. Ontario’s Home Renovation Savings Program provides $100 per ENERGY STAR-certified window. Buildmart’s Rebate Match Program adds another $100 per window. That’s $200 back per window total. For a 10-window project, you’re getting $2,000 back in combined rebates.

Financing is available if spreading payments makes more sense than paying up front.

We provide free in-home quotes with exact numbers—not vague ranges. We measure what you have, discuss what you need, and calculate precise costs including rebates. 

Visit Our Ottawa Showrooms

Ottawa East Showroom: 2900 Sheffield Rd Unit 6, Ottawa, ON K1B 1A4

Kanata Showroom: 150 Katimavik Rd Unit 121, Kanata, ON K2L 2N2 (appointment required)

Hours: Monday-Thursday 8 am — 4 pm
Friday 8 am — 3 pm
Saturday by appointment

See different window types in person, test operation, discuss what makes sense for Prescott’s mix of heritage and modern properties.