Aluminium Bay & Bow Windows

Strong Lines & Stunning Views That Expand Your Space in Style

At UGS Ltd, our aluminium Bay & Bow windows offer a modern, sleek solution for homeowners looking to enhance the style and functionality of their property. Aluminium is known for its strength, durability, and low-maintenance qualities, making it an ideal material for creating large, expansive window designs like Bay & Bow windows. These windows not only add visual interest to both the interior and exterior of your home but also allow for increased natural light, creating a sense of spaciousness and openness.

Aluminium Bay & Bow windows are incredibly versatile, offering excellent thermal efficiency thanks to advanced thermal break technology. This ensures that despite their large size and expansive glass areas, they maintain excellent insulation, keeping your home comfortable throughout the year and helping to reduce energy costs. Their lightweight yet strong aluminium frames enable the creation of slim, sleek designs without compromising structural integrity. This allows for larger panes of glass, offering you wider views and more light compared to other window materials.

One of the key strengths of aluminium Bay & Bow windows is their resistance to weathering. Unlike other materials, aluminium is naturally resistant to corrosion, rust, and warping, ensuring long-lasting performance with minimal maintenance. This makes them an ideal choice for homes in harsh weather conditions or coastal areas. In addition to their durability, aluminium windows are also fully customisable, allowing you to choose from a wide range of colors, finishes, and styles to suit the aesthetic of your property.

At UGS Ltd, we pride ourselves on delivering high-quality aluminium Bay & Bow windows that offer a perfect balance of style, energy efficiency, and long-term reliability. Whether you are looking to enhance the curb appeal of your home or create a light-filled interior space, our aluminium Bay & Bow windows provide a sleek, durable, and functional solution tailored to your needs.

Premium Quality Aluminium Bay & Bows

by UGS Ltd.

At UGS Ltd, we offer both supply-and-installation and supply-only services for premium Bay & Bow windows, all expertly crafted in the UK and Europe. As a direct supplier, we provide an extensive selection of window styles, with options available in both standard designs and fully customised solutions. Whether you need standard sizes or bespoke dimensions, our Bay & Bow windows are tailored to meet the specific requirements of your project.

We specialise in delivering personalised solutions that meet your budget and project goals, with a strong focus on fast delivery and professional installation. Each window we supply is designed to combine functionality, timeless elegance, and long-lasting durability. Our commitment to quality ensures that your windows will perform beautifully for years to come.

As a UKAS-accredited company through ASSURE, we offer a standard product guarantee starting from 10 years, giving you peace of mind and confidence in our products.

At UGS Ltd, we embrace the latest industry trends and use advanced technology to optimise our processes, reduce costs, and enhance your overall experience. Our cutting-edge design and visualisation tools allow us to collaborate closely with you, offering convenience and comfort throughout the project without any pressure to buy. We ensure clear communication at every stage, helping us achieve exceptional results and ensuring your complete satisfaction with our work.

You’ll love what we do at UGS Ltd. Requ est your Free Quote Now.

Aluminium Bay Windows (3-5 panels)

*Supply & Fit, std. profile, parameters, single colour, double glazed - lead time 15 days, inc. UKAS + warranty

from £2,099 + VAT

Aluminium Bow Window (4-7 panels)

*Supply & Fit, std. profile, parameters, single colour, double glazed - lead time 15 days, inc. UKAS + warranty

from £2,999 + VAT

Standard Profile

At UGS Ltd, we are proud to collaborate with renowned aluminium profile manufacturers including Schüco, Reynaers, Cortizo, and Smart, enabling us to supply top-quality Bay & Bow windows at highly competitive prices. These partnerships allow us to offer a wide range of personalisation options, ensuring every window is tailored to suit the individual requirements of your home or project.

Our standard profile aluminium Bay & Bow windows are designed to deliver a well-balanced combination of strength, durability, and contemporary style. The robust frame offers long-term performance, making it a versatile choice for both residential and commercial applications. It is especially suited to customers seeking a solid, weather-resistant frame that also provides excellent thermal insulation.

One of the key advantages of the standard profile is its ability to support larger glazed areas. This allows for increased natural light, helping to create a brighter, more spacious interior. The thicker frame adds structural integrity, improving both security and energy efficiency—helping to keep your home warmer in winter and cooler in summer, and potentially reducing your energy bills.

In addition to thermal performance, the standard profile offers enhanced acoustic insulation. Its more substantial frame helps reduce noise intrusion, making it ideal for properties located in urban or high-traffic areas. While more robust than slim or flush profiles, the standard design still maintains a modern aesthetic, blending traditional strength with clean, contemporary lines.

Slim (Heritage)

At UGS Ltd, our slim (heritage) aluminium profile Bay & Bow windows are expertly designed to combine traditional charm with modern performance. Featuring slender, refined frames, these windows emulate the look of classic window styles, making them an excellent choice for period homes or properties located within conservation areas. The slim profile allows for larger glazing areas, maximising the entry of natural light and creating a bright, open feel in any living space.

A standout benefit of the slim (heritage) profile is its ability to maintain a delicate and understated appearance while offering the strength and reliability of aluminium. The narrow sightlines enhance the window’s visual lightness and deliver a subtle, elegant finish that suits those wishing to retain the original character of their property. Despite the reduced frame thickness, this profile delivers excellent structural stability and long-term functionality.

Beyond its aesthetic strengths, the slim profile also provides impressive thermal performance. The use of advanced aluminium framing, paired with modern glazing options, ensures enhanced insulation. This helps to reduce heat loss, contributing to improved energy efficiency and potentially lower energy bills. Additionally, the profile is engineered for resistance to corrosion and harsh weather, ensuring consistent performance with minimal maintenance required.

The slim (heritage) aluminium profile is ideally suited to homeowners looking to upgrade to modern aluminium windows while maintaining the period features of their property.

Flush

Our flush aluminium Bay & Bow windows are tailored for homeowners who value a sleek, modern appearance without compromising on performance. The flush profile features sashes that sit level with the outer frame when closed, creating a clean, streamlined look that blends beautifully with contemporary architecture. This minimalist design is ideal for modern homes or properties aiming for a more integrated and cohesive façade.

The flush profile offers a more refined aesthetic compared to the standard profile. While standard aluminium profiles are slightly thicker and project outward for a more traditional feel, the flush design focuses on simplicity and visual balance. Despite its understated appearance, it maintains excellent structural strength and durability, offering impressive thermal performance, weather resistance, and long-term reliability.

When compared to the slim (heritage) profile, the flush profile provides a more modern and uniform aesthetic. The slim profile is designed to replicate period-style windows with narrow sightlines, making it ideal for conservation settings or traditional homes. In contrast, the flush profile suits properties seeking modern minimalism, offering the same benefits in terms of light maximisation, energy efficiency, and low maintenance, but with a more contemporary finish.

Opting for flush aluminium Bay & Bow windows allows homeowners to enjoy the best of modern design and practicality. The tight, flush closure not only enhances security and insulation but also creates a visually smooth transition between the window and exterior wall.

At UGS Ltd, our Bay&Bow aluminium windows are available with both double and triple glazing options to provide superior energy efficiency and comfort for your home. Whether you choose double or triple glazing, both offer excellent thermal insulation and noise reduction, making your home more comfortable and energy-efficient year-round. For enhanced performance, by standard, all glass units are filled with argon gas, an inert gas that increases thermal efficiency by reducing heat transfer through the glass. Argon-filled windows also help to reduce condensation buildup and improve overall energy savings, ensuring a warm, comfortable environment while lowering energy bills. 

For character properties or listed buildings where replacing the original windows is not possible, secondary glazing units are the ideal solution. They preserve the exterior charm while significantly improving insulation and noise reduction. To learn more, visit our Secondary Glazing Unit page for more details on how this can be the perfect upgrade.

Energy rating A+
R value 1.2-1.6 W/m²*K
U value 1.2
G value 0.71

Energy rating A++
R value 0.7-1.0 W/m²*K
U value 0.9
G value 0.61

Energy rating Improved
R value Up to 30% higher
U value Up to 25–30% lower
G value no signifficant affect

*Energy Rating show overall energy efficiency of the product. The entire window (the frame and the glass) is assessed to allow for heat loss, draughts and solar gain, giving a rating that indicates the overall impact of fitting that window in your home. 

*The R Value Measures resistance to heat gain or loss. Example, a typical insulated wall has an R-value anywhere from 12 to 19. 

*The U Value of the glass tells us heat loss through the glass, the glass edge and the frame. 

*The G Value of the glass tells us how well the glass transmits heat from the sun.

Customisation Features

Personalise Your Windows with UGS Ltd.

At UGS Ltd, you can fully personalise your windows with direct manufacturer options, from opening styles to accessories—we’re here to guide you every step of the way. Book your one-on-one Zoom call and design your perfect units in real-time. Using the latest visual technology, we’ll not only help you create your custom windows but also provide a sneak peek of how they’ll look once installed at your property.

Openings

Side hung - left
Side hung - right
Push out opener
Dummy/ Fixed

Profile

Standard
Slim (Heritage)
Flush

Finish / Colour

All RAL colours
White
Black
Anthracite grey
All RAL colours - Dual
All effects and Textures

Glass

Single
Double
Tripple
Argon filled
Variety of spacer bars options
Variety of Solar controls options
Variety of Self Clean options
Integral Blinds

All Pilkington range

Warwick
Chantilly
Reeded
Digital
Taffeta
Oak
Contora
Charcoal Sticks
Floirelle
Mayflower
Pelerine
Everglade
Cassini
Tribal
Transparent
Frosted

Additional Glazing Designs

Add Traditional Character to your windows.

Astragal
Georgian
Leaded
Diamonds

Hardware

All Ventilation Options
Peg Stays in all materials, designs and colours
Handles in all materials, designs and colours
All Integrated Blinds

Alu Bay & Bow Windows gallery

We offer impressive window installation solutions, adding unique style and functionality to each project. Working with us, you can trust in high-quality and personalised solutions for your home or business. Explore our projects and portfolio to see how we create spaces filled with light and comfort.

Check out and follow our social media pages for Project Videos and much more

Bay and bow aluminium windows not only enhance the aesthetics of your home but also offer increased natural light and panoramic views. The strong yet slim aluminium frame allows for larger glass panels, creating a sense of openness. These windows also provide additional interior space, which can be used for a window seat, extra storage, or just to enjoy a wider perspective of the outside world.

Bay and bow windows extend outward from the wall, creating a distinctive, curved or angular structure that stands out both inside and outside your home. While bay windows typically consist of three panes, bow windows use four or more for a softer, more rounded appearance. The use of aluminium makes these windows not only visually striking but also highly durable with thinner frames for larger glass areas, ensuring more light and better views

Yes, Bay and Bow aluminium windows are designed with energy efficiency in mind. With double or triple glazing, these windows help to retain heat, improve insulation, and reduce your energy bills. The slim aluminium frame provides a modern, sleek look while maximising the amount of glass for better daylight and thermal performance.

Absolutely! Our Bay and Bow aluminium windows can be customised to fit your exact requirements. You can choose from a wide range of colours, finishes, and hardware options, as well as select your preferred configuration. Whether you're aiming for a traditional or modern look, we can ensure that your windows perfectly complement your property's style.

We provide a standard 10-year manufacturing warranty on our Bay and Bow aluminium windows. For added assurance, this warranty can be extended up to 25 years, offering long-term protection and peace of mind for your investment.

Yes, we are UKAS registered and certified through ASSURE UKAS certification, which is equivalent to FENSA certification. While FENSA is the internal certification by UKAS, ASSURE is the external one, both of which have the same legal validity and offer full compliance with building regulations.