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Bay Windows & Bow Windows

Creating more natural light into your South Wales home.

A+ energy efficient ratings.
Premium security features.
Versatile design options.
Spring Sale Now On! - Save up to 30% at MPN
Spring Sale Now On! - Save up to 30% at MPN
White UPVC Bay & Bow Windows
MPN 20 Year Guarantee
MPN Price Promise

Create a sense of space and light

If you are looking for new or replacement bay windows then our new range of A rated bay and bow windows are just what you have been looking for to transform your South Wales home.

The arc of casement window frames in our bay windows are designed to reflect their traditional character creating a sense of space, depth and light.

Available in a stunning range of glazing options and colour finishes and every MPN bay window is custom-made to your specification.

Envisage Flush Bay Windows

Easy maintenance and cleaning

Unlike timber bay windows which require lots of maintenance our bay window replacements are energy efficient, high security and with the added benefit of noise reduction and low maintenance.

MPN will advise how to combine ventilation and sense of space with safety, security and of course great looking bay windows โ€“ all with the low maintenance, superior weather resistance and long-lasting good looks you would expect.

Eclipse Aluminium Bay Window

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Why choose MPN bay & bow windows?

Choose MPN Bay & Bow Windows to bring more light, style and space into your home with a design that makes a real statement. Expertly made to measure and professionally installed, they offer lasting quality, security and timeless appeal.

20 year guarantee

Energy efficient

Choice of window styles

Manufactured in Britain

Premium locks & hardware

Broad range of colours

Common questions about bay & bow windows

Choosing new bay or bow windows often comes with a few important questions. To help you feel more confident, here are some of the most common things MPN customers ask about style, performance, security and installation.

1) What is the difference between bay and bow windows?

Bay windows usually feature three sections with a larger central pane and angled sides, while bow windows are made up of more panes in a gentle curve. Both project outward from your home, creating extra space, more natural light and a striking feature inside and out.

2) Are bay and bow windows energy efficient?

Yes, modern bay and bow windows are designed to help improve insulation and reduce heat loss. With quality frames and high-performance glazing, they can help keep your home warmer, more comfortable and potentially more energy efficient throughout the year.

3) Will bay or bow windows make my room feel bigger?

Because they project outward, bay and bow windows create extra internal space and open up the room visually. This can make smaller areas feel brighter, airier and more spacious, while also giving you a practical feature ledge or seating area.

4) Are bay and bow windows secure?

MPN bay and bow windows are designed with security in mind and can include advanced multi-point locking systems for added protection. Combined with durable materials and professional installation, they provide reassuring strength, safety and peace of mind for your home.

5) Can I customise the colour and finish?

Yes, MPN offers a choice of colours, finishes and styling options so you can tailor your bay or bow windows to suit your property. Whether you prefer something modern, classic or more heritage inspired, there are options to match your home beautifully.

6) Do bay and bow windows suit all types of homes?

Bay and bow windows can work well on both traditional and modern properties, depending on the design chosen. With the right frame style, glazing and finish, they can enhance character, improve kerb appeal and complement the overall look of your home.

7) How much maintenance do bay and bow windows need?

Modern bay and bow windows are designed to be low maintenance, so they do not need constant upkeep to stay looking their best. Regular cleaning and simple care are usually enough to keep the frames, glass and hardware in excellent condition.

8) How are bay and bow windows installed?

Installation begins with a survey to ensure your new windows are made to the correct size and specification. MPNโ€™s professional installation team then fits them carefully, helping make sure your windows look right, perform well and are finished to a high standard.

Unsure what style of windows you want for your home?

MPN advisors will guide you through every option and help you choose the perfect windows for your South Wales home – request your tailored quote today.

MPN Windows customer reviews

We know why you should choose MPN Windows, let our customers also explain why!

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Want to speak with an MPN advisor? Call 0800 158 8800

Our friendly team will be pleased to help with any questions you may have.

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