uPVC Bay & Bow Windows

Brighten Your Home with Elegance

At UGS Ltd, our uPVC Bay & Bow windows offer a versatile and affordable solution for homeowners seeking to enhance their property’s style and functionality. uPVC is known for its durability, low maintenance, and energy efficiency, making it an excellent material for Bay & Bow window designs. These windows not only add character and elegance to your home but also create a sense of space by allowing more natural light into your rooms.
uPVC Bay & Bow windows are highly energy-efficient, thanks to the insulating properties of uPVC combined with modern double or triple glazing options. This helps maintain a comfortable indoor temperature by reducing heat loss during winter and preventing excess heat gain in summer, ultimately lowering your energy bills. The large, multi-panel design of Bay & Bow windows maximises light entry and provides wide, panoramic views, making any room feel more open and welcoming. A significant advantage of uPVC windows is their low-maintenance nature. Unlike other materials, uPVC does not warp, rot, or fade, and it is highly resistant to weathering, meaning your windows will retain their appearance and performance with minimal upkeep. 

A simple cleaning routine is all that’s needed to keep them looking fresh and new for years. uPVC windows are also fully customisable, offering a wide range of colors, finishes, and styles to match your home’s aesthetic, whether traditional or contemporary.
At UGS Ltd, we are proud to offer high-quality uPVC Bay & Bow windows that combine modern performance with timeless style. These windows provide excellent thermal efficiency, durability, and customisation options, making them an ideal choice for homeowners looking to improve both the functionality and appearance of their property. Whether you’re seeking a cost-effective solution or a window design that adds light and space, uPVC Bay & Bow windows are a reliable and attractive option.

Premium Quality uPVC 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. Request your Free Quote Now.

Catalog

uPVC Bay Window (3-5 panels) image

uPVC Bay Window (3-5 panels)

*Supply & Fit, std. profile, parameters, single colour, double glazed - lead time 12 days, inc. UKAS + warranty

from £1,699 + VAT

uPVC Bow Window (4-7 panels) image

uPVC Bow Window (4-7 panels)

*Supply & Fit, std. profile, parameters, single colour, double glazed - lead time 12 days, inc. UKAS + warranty

from £2,499 + VAT


Profile & Glazing

At UGS Ltd, we supply and install uPVC Bay and Bow windows in two distinct profiles—Standard and Flush—each offering a unique blend of style and performance.

  • Deceuninck logo
  • Rehau Window Solutions logo
  •  logo
Standard Profile uPVC

Standard

At UGS Ltd, we are proud to supply and install leading uPVC profiles from trusted manufacturers such as Deceuninck, Kommerling, and Rehau. These partnerships allow us to provide top-quality uPVC Bay & Bow windows at competitive prices, ensuring both performance and style for your home.

Our standard profile uPVC Bay & Bow windows are designed to offer a robust and versatile solution for any property. The standard profile, with a 70mm frame depth, provides excellent insulation and durability while maintaining a sleek, modern appearance. This profile is perfect for homeowners looking to maximise natural light and create an expanded, open feel in their rooms, thanks to the projecting design of Bay & Bow windows.

In addition to their aesthetic appeal, our standard profile Bay & Bow windows provide high levels of energy efficiency. The multi-chambered structure of the uPVC frames helps to reduce heat loss and improve thermal performance, making your home more comfortable and energy-efficient. These windows are also low-maintenance, requiring only occasional cleaning to keep them looking pristine, while being resistant to warping, rotting, or fading over time.

With advanced multi-point locking systems, our uPVC Bay & Bow windows offer enhanced security alongside their stylish appearance. Available in a range of colors and finishes, these windows can be customised to suit your home’s design, combining practicality, security, and aesthetic appeal in one complete package.

Flush

Flush

At UGS Ltd, we also offer flush uPVC Bay & Bow windows, which provide a modern, streamlined appearance with their sleek design. Unlike the standard profile, where the window sashes slightly protrude from the frame, the flush profile features window sashes that sit level with the outer frame when closed. This design creates a smooth, flat surface, making flush uPVC Bay & Bow windows ideal for homeowners looking for a minimalist, contemporary look.

While both the standard and flush profiles offer the same high-quality performance in terms of durability, energy efficiency, and low maintenance, they differ in aesthetics. The standard uPVC profile is slightly more prominent, creating a more traditional appearance with a slightly bulkier frame that can add visual depth. In contrast, the flush profile offers a more refined, understated design, perfect for modern properties or those aiming for a cleaner, more seamless exterior look.

The flush profile still benefits from the same multi-chambered frame structure as the standard profile, ensuring excellent thermal performance and energy efficiency. Both profiles are resistant to warping, fading, and weathering, making them a durable, long-lasting solution for your home. They also come equipped with multi-point locking systems for enhanced security, ensuring peace of mind alongside their visual appeal.

For those seeking a more contemporary aesthetic with clean lines, the flush profile uPVC Bay & Bow windows provide a perfect solution. 

Flush

Glazing Options for Enhanced Comfort

At UGS Ltd, our bay & bow 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.


Glazing Properties Compared

Double glazing option

Double Glazing

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

Tripple Glazing

  • Energy rating A++
  • R value 0.7-1.0 W/m2*K
  • U value 0.9
  • G value 0.61
Argon filled glazing option

Argon Filled

  • 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 - left

  • Side hung - right

    Side hung - right

  • Push out opening

    Push out opening

  • Dummy/ Fixed

    Dummy/ Fixed

Profile

  • Standard
  • Flush

Finish / Colour

  • All RAL colours

    All RAL colours

  • White

    White

  • Black

    Black

  • Anthracite grey

    Anthracite grey

  • All RAL colours - Dual

    All RAL colours - Dual

  • All effects and Textures

    All effects and Textures

Glazing Options

  • Single

    Single

  • Double

    Double

  • Tripple

    Tripple

  • Argon filled

    Argon filled

  • Variety of spacer bars options

    Variety of spacer bars options

  • Variety of Solar controls options

    Variety of Solar controls options

  • Variety of Self Clean options

    Variety of Self Clean options

  • Integral Blinds

    Integral Blinds

All Pilkington range

  • Frosted

    Frosted

  • Transparent

    Transparent

  • Warwick

    Warwick

  • Chantilly

    Chantilly

  • Reeded

    Reeded

  • Digital

    Digital

  • Taffeta

    Taffeta

  • Oak

    Oak

  • Contora

    Contora

  • Charcoal Sticks

    Charcoal Sticks

  • Floirelle

    Floirelle

  • Mayflower

    Mayflower

  • Pelerine

    Pelerine

  • Everglade

    Everglade

  • Cassini

    Cassini

  • Tribal

    Tribal

Additional Glazing Designs

Add Traditional Character to your windows.

  • Astragal
  • Georgian
  • Leaded
  • Diamonds

Hardware

  • All Ventilation Options

    All Ventilation Options

  • Peg Stays in all materials, designs and colours

    Peg Stays in all materials, designs and colours

  • Handles in all materials, designs and colours

    Handles in all materials, designs and colours

  • All Integrated Blinds

    All Integrated Blinds


Special offers for our customers

Mix and match package discounts on all product ranges – all year round

  • For packages over £10k – get 5% discount
  • For packages over £20k – get 10% discount
  • For packages over £25k – get 15% discount
Get in Touch


Frequently Asked Questions (FAQ)

Please note that the information provided here is subject to change. For the most up-to-date details, we recommend contacting our company directly.

uPVC Bay and Bow windows are a perfect combination of style, performance, and low maintenance. They add extra space and natural light to your home while offering excellent insulation and energy efficiency. The uPVC frame is durable, weather-resistant, and requires little upkeep, making these windows an ideal choice for homeowners who want the traditional charm of bay and bow windows with the benefits of modern materials.

uPVC Bay and Bow windows provide similar aesthetic benefits to timber and aluminium but with added advantages. Unlike timber, uPVC does not require regular painting or treatment. It’s also more affordable than aluminium while offering excellent thermal performance and resistance to weathering. uPVC is naturally energy-efficient and provides a low-maintenance solution for homes that still want the elegance of projecting windows.

Yes, uPVC Bay and Bow windows are highly energy-efficient. When fitted with double or triple glazing, they provide excellent insulation, helping to reduce heat loss and maintain a comfortable temperature inside your home. The uPVC frame itself acts as an insulating barrier, and the large glass areas maximise natural light, reducing the need for artificial lighting and heating.

Absolutely! uPVC Bay and Bow windows are highly customisable. You can choose from a wide range of colours, finishes, and hardware options to match the design and style of your property. Whether you’re aiming for a classic or contemporary look, we can tailor the windows to meet your exact specifications, ensuring they enhance the appearance of your home.

We offer a standard 10-year manufacturing warranty on our uPVC Bay and Bow windows. If required by the contract, this warranty can be extended up to 25 years, providing you with peace of mind and long-term protection for your investment.

Yes, we are UKAS registered and certified via ASSURE UKAS certification. This certification is equivalent to FENSA, with ASSURE being the external certification and FENSA being UKAS's internal certification. Both certifications hold the same validity and ensure compliance with building regulations.


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