Family Business

Our dedication to quality underpins every product.

 

40+ Years Experience

With an unrivalled reputation for quality service.

 

Free Home Consultation

Discover all the options before you decide.

A personalised design experience

Choosing new windows and doors doesn’t have to be stressful. Our free home consultations guide you through every option, helping you find the perfect fit so your home feels just right.

Why Dublin homeowners choose McMahon and Nagle

From first chat to final fitting, we make the process simple and stress-free, with stylish, secure windows that feel right at home.

01

Trusted Experts

Local professionals with years of experience.

02

Quality Craftsmanship

Commitment to excellence and clear communication.

03

Transparent Pricing

Honest costs and timelines with no hidden surprises.

04

Satisfaction Guaranteed

Backed by our Fit Right First Time Guarantee.

Fit Right First Time

With precision manufacturing and expert installation, we ensure every window and door fits perfectly. Our promise of Fit Right First Time gives you peace of mind, quality, and long-lasting performance.

side-image
side-image

Built-in security

Your home’s safety comes first. Our windows and doors feature top-rated security fittings, internal glazing, and compliance with Secured by Design — the UK police security initiative.

​

Ten-year Guarantee

All our windows and doors are backed by our Fit Right First Time promise.

​

Ireland’s Highest Energy-Rated Windows

You’ll enjoy more heat for less money with our super-efficient double glazed windows.

​

Finance Options Available

Talk to your design consultant about the range of affordable options.

Service you can trust

From your first consultation to after-sales support, our friendly team makes the process easy. With McMahon and Nagle, you’re not just choosing windows and doors, you’re choosing service built on trust.

Get Started

Trusted. Proven. Reliable.

Experience the difference of a company built on expertise, integrity, and unwavering quality

5★

Outstanding customer reviews

100%

Fit Right First Time promise

40+

Years of experience

20,000

Happy customers