We’re an Irish family business passionate about transforming the comfort, warmth, security and energy-efficiency of Irish homes so that they’re fit for the future. My father built the business on exceptional customer service and quality and now celebrating a special milestone of 45 years in business, the customer experience remains our driving force. Extending a huge thanks to our loyal customers for your continued support.
Global has been trusted since 1980 to transform the warmth, comfort, energy-efficiency and look of homes across Dublin and surrounding counties. We specialise in designing and manufacturing quality windows, doors, roofline and flat roofing. Now a second-generation family business, the company’s core values of quality and service have earned recognition for Global including Guaranteed Irish Best Retailer 2024 & Q Mark Awards Best Home Improvements company in Ireland. Customer-centric Global is committed to adding value for every customer from initial complimentary design consultation to the bespoke manufacturing process right through to the highest standards of installation backed by first-class customer service. Global’s unmatched aftercare includes Ireland’s first and only 20-year Unlimited Guarantee & 24/7 Global 365 Emergency Assist service.
Established in 1980 by Tom Shevlin, a Mayo man new to Dublin, Global Home Improvements continues to serve its community in Dublin and surrounding counties. Highlights over the years include awards such as ‘Best Home Improvements Company in Ireland’ and pioneering innovations such as the first company in Ireland to offer triple glazing as standard.
We cultivate an experienced team of professionals specialising in various aspects of your home transformation, who genuinely enjoy taking care of our customers throughout their journey. All our people are employed directly by Global and many have been with the company for most of their careers – some now reaching retirement!
As an award-winning Irish Home Improvement company, we work hard to maintain our 5-star service levels, with our customers’ satisfaction at the heart of everything we do. We have twice been voted Ireland’s Best Home Improvement Company, awarded Best Retailer in 2024 and earning a multitude of awards and accreditations over the years.
Your peace of mind. Guaranteed
Enjoy free servicing, free parts, free repairs for 20 years.
Protecting you, your family, and your home for years to come.
Life happens. We’re there when you need us 24/7 365 days a year.
Enjoy expert advice and top tips from Patricia Power, renowned Quantity Surveyor of RTE’s Room to Improve fame! As Global’s Construction Expert, Patricia offers sage advice to homeowners considering home renovations, particularly in the areas of insulation, energy performance and smart investments.
We’re all about you.
Our customers are our raison d’être, and our people are committed to delivering an enjoyable, personable experience throughout your home transformation journey.
Global Nominated for Four Guaranteed Irish Business Awards 2025
Future Proof Your Home for Tomorrow’s World
Global voted People’s Choice at Family Business Awards 2024
Book a design consultation
Enjoy a free in-home design consultation and no obligation quote with one of our experts.