“Jennifer was so patient and helpful…installation was clean and efficient. We absolutely LOVE our door! It ticks every box, both aesthetically and practically!”
Sharon Murphy
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Fall in love with your home again with new Windows and Doors

As a family business with four decades of expertise behind us, McMahon and Nagle’s unique combination of style, savings, security, and service are just what you need to transform your home. Our design consultants will ensure you get exactly the right look for your style and budget. All deposits are secured, finance is available, and because our windows have the highest energy ratings in Ireland, you’ll save money as well as heat.

Security is paramount, so all windows and doors are compatible with Secured by Design, a UK police security initiative. And everyone here, from the design team to installers, promise a premium, friendly, and no-fuss experience from start to finish.
Trust us with your new and replacement windows and doors today, and fall in love with your home again!

The McMahon & Nagle Promise

Style… Free consultation at your home with our exclusive team of design consultants.

Savings… Double glazed windows have the highest energy ratings in Ireland.

Security… All products approved by UK police security initiative Secured by Design. Top security specifications on all fittings.

Service… Excellent, reliable after sales service. Ten Year Guarantee on all products.

The McMahon & Nagle Experience

positive review  Fab company to deal with! Love my door, no mess fitting and aftersales service is just perfect!

Alexandria Conway
December 15, 2021

positive review  I had a specific unusual design request which was accomplished to the highest standards. Friendly team across the departments and very efficient service. Ordering now my third door and definately highly reccomend

Tamara Samkana
March 8, 2022

positive review  Stephen and Martin just completed fitting our windows in our little cottage. They were incredible. Their work was impeccable and you wouldn’t have known they were there. Maria came out on the first day to advise what best suited our home. We are THRILLED with the end result. Thank you Vanessa and Team for amazing and professional work !!

Beanie M
April 5, 2019
PVC Windows Dublin

Stay Warm with Trinity PVC Windows

With McMahon & Nagle PVC windows, energy and heating costs go down, style and warmth go up! Quick and clean installation process.

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Sash Windows Dublin

Traditional Elegance with Castletown Sliding Sash Windows

Where heritage meets contemporary comfort and efficiency… Showcase your home’s traditional style with Sliding Sash Windows.

View Castletown Range
Ailesbury Flush Casement Window

Ailesbury: the Ultimate Versatile, Flush Casement Windows

Replace your old timber windows with the clean, elegant lines of our modern flush casement range.

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Sanctuary: Strong, Secure & Affordable Composite PVC Front and Back Doors

Ensure the safety of your home with robust security features such as multipoint locking systems. Efficient and clean installation process.

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French Doors Dublin - Patio Doors

Transform a Room with our Fresco French & Patio Doors

Gain light and air in the summer, and retain warmth and light in the winter thanks to our elegant French and Patio doors.

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Sliding Doors Dublin

Light-filled Homes with Fusion Sliding or Bi-folding Doors

Make the most of natural light and enjoy a smooth transition from indoors to out. Our Sliding and Bi-folding doors are safe, secure and fold away neatly for easy access.

View Fusion Range