Precision-built frames
Every sash and frame is manufactured to tight tolerances — reinforced corners, robust profiles, and hardware chosen to run smooth for decades.
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Bay and bow windows do something no other window can, they reach beyond the wall, creating new volume inside while reshaping the home’s exterior silhouette. Bay windows anchor the composition with a bold central pane flanked by angled side panels; bow windows take a softer approach, curving four or more equal panes into a panoramic arc. Both flood a room with light and layered views, transforming a flat wall into an architectural moment.
Each Bellevue bay or bow window is engineered as a complete projecting assembly, made to your dimensions in aluminum, aluminum-clad wood, or timber and finished to your specification. Insulated head and seat boards, high-performance Low-E glazing, and concealed structural support come as standard, so the composition performs as beautifully as it reads. Custom angles, panel counts, finishes, and any operable units within the arrangement are all part of one all-in quote, backed by a 10-year product warranty.
The craft and performance that carries through every window we make, from standard sizes to full customs.
Every sash and frame is manufactured to tight tolerances — reinforced corners, robust profiles, and hardware chosen to run smooth for decades.
Multi-chamber profiles, compression seals, and continuous weatherstripping keep drafts, moisture, and noise on the right side of the glass.
Low-E coatings, warm-edge spacers, and optional triple-pane glass bring every window up to the thermal performance your home demands.
Every window is built to your exact opening. Standard or fully custom, non-standard sizes included as standard.
Bay windows project at angles; bow windows curve outward. Both let a window become a room.
Material, finish, glass, hardware, grilles: at many window companies each one is a separate upcharge. At Bellevue, every option below is included in your quote as standard. Choose what you love. We'll build it.
Three core materials, each engineered to last. Choose the one that fits your home, every one included as standard.
Wood windows offer classic charm and superior insulation. Each piece is crafted for rich character and finished to complement your home's unique style.
Aluminum windows feature slim profiles and exceptional durability. Perfect for contemporary designs, they deliver clean lines and lasting performance.
Enjoy the warmth of real wood inside and the durability of aluminum outside. This combination provides lasting protection with refined interior beauty.
Five finishing methods, each with its own character. Pair with any material above.
Enhances the natural surface of aluminum, creating a sleek metallic finish that stands up beautifully to time and the elements.
An advanced finishing method that uses an electric charge to bond paint to the surface, ensuring a consistent, high-quality appearance.
A tough, uniform finish that resists chipping and fading, available in a wide range of rich color options.
Exceptional weather resistance and color stability, ideal for long-lasting beauty in any environment.
Recreates realistic wood textures and tones on aluminum surfaces, offering warmth and character without the maintenance.
Specify based on climate, sound, or safety. These can also be combined.
A thin, invisible coating reflects heat while allowing natural light to pass through, keeping your home comfortable year-round.
Three layers of glass and insulating spacers deliver exceptional energy efficiency, sound reduction, and durability.
A protective interlayer holds the glass together on impact, reducing noise and enhancing security without compromising clarity.
Heat-treated for enhanced durability and safety. Designed to withstand stress and break into small, blunt pieces if shattered.
We work exclusively with five of Europe's leading hardware manufacturers. Choose the one that fits your home. There's no upgrade fee.
Belgian-engineered hardware with a refined balance of strength and style. Designed for modern architectural applications with smooth operation, sleek aesthetics, and outstanding corrosion resistance.
Engineered in Austria with exceptional reliability and precision locking systems. Smooth operation and long-lasting security across all window and door types.
German innovation with multi-point locking and seamless movement systems. Provides superior comfort, durability, and airtight sealing for energy-efficient designs.
Innovative solutions for comfort, security, and energy efficiency. Precision-engineered components with intelligent ventilation options.
Premium handles and fittings that unite comfort, craftsmanship, and ergonomic design. Each piece reflects precision engineering and lasting beauty.
Bronze marks the grille bar relative to the glass.
Applied to the outside surface of the glass, creating a traditional multi-pane appearance. Adds depth and dimension while remaining durable and low-maintenance.
Sealed inside the insulated glass unit for the look of divided panes without any exterior cleaning. Provides a smooth, easy-to-maintain surface and strong thermal efficiency.
Combines an internal spacer bar with external bars on both sides of the glass, achieving the aesthetic of true divided lites with enhanced realism and shadow lines.
Adheres directly to the inside or outside of the glass for flexibility in design and installation. Offers an authentic cottage or heritage-style appearance.
The thinking behind this product, in plain terms.
Every supplier calls their windows 'custom.' What differs is whether that means made-to-your-opening as standard, or a menu of paid upgrades on a stock size.
ComparisonsWhat Custom Windows Actually CostA plain-English breakdown of what moves the price of custom windows, and why the structure of a quote matters as much as the number on it.
Pair this style with another, or browse the full collection.
Tell us a little about your project. The configuration you're imagining, your timeline, and any details we should know. We'll get back to you within one business day.
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