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We're all about you

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.

Discover the global difference
Discover the difference
Barry Shevlin, Managing Director

We’re an Irish family business passionate about transforming homes for comfort, warmth, security and energy-efficiency. My father built the business on exceptional customer service and quality and now 43 years on, the customer experience remains our driving force. We’re all about you – our customer.

Barry Shevlin, Managing Director
Global at a glance

We have been trusted for 43 years to transform the homes of discerning homeowners across Dublin and surrounding counties. We specialise in designing and manufacturing quality windows, doors, roofline and flat roofing. Now a second-generation family business headed up by Barry Shevlin, the company’s core values of quality and service have earned recognition for Global Home Improvements including Q Mark Awards Best Home Improvements company in Ireland 2 years running & 5-star independent customer reviews. 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 after-care includes a 15-year guarantee & Global 365 Emergency Assist for 24/7 year-round emergency assistance.

30K
Happy Customers
43
years expertise
60%
returning customers
Discover the global difference
Trusted for 43 years

Founded 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.

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Our people are passionate about your experience

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!

meet our team
Global team
The award-winning home transformation specialists

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, earning a multitude of awards and accreditations over the years.

AWARDS & ACCREDITATIONS

Made by us. For you.

We tailor-make our windows and doors in our Glasnevin, Dublin factory – made for Irish homes, bespoke for you. This gives us complete control (yes, we’re obsessive!) over every item that leaves our factory, so you benefit from the highest quality materials and craftsmanship. We stand firmly behind our long-lasting guarantees to ensure a lifetime partnership with our customers. We really are all about you!

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Your peace of mind. Guaranteed

Global free 20 year unlimited guarantee
Free 15-20 Year Unlimited Guarantee

Take comfort in Ireland's first & only free 15-20 year unlimited guarantee.

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Free 10 year security guarantee
FREE 10 Year Security Guarantee

Protecting you, your family, and your home for years to come.

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Global 365 Emergency Assist service
FREE 365 Emergency Service

Life happens. We’re there when you need us 24/7 365 days a year.

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Top tips from Patricia Power

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.

patricia power’s top tips
What our customers say
Feefo Gold Trusted Service Award 2023
4.8/5

Independent Service Rating based on 404 verified reviews.

Read all reviews
5
29 Jan 2023

Needless call out (my fault in not turning key sufficiently). Handled with tact and efficiency.
Mr Doyle
5
17 Jan 2023

Very good response to my query about windows not defrosting on outside- in the cold spell before Christmas.The triple glaze was very effective - the condensation stayed on the outside.Samw happened today - another very cold night.Thanks for rapid response and good explanation
5
05 Dec 2022

New Door, great job

Replaced my front door in a very efficient manner. The team arrived on time and took away all the debris. They were meticulous in ensuring that the door furniture was in the positions that I wanted. They were courteous and very professional.
Ms Forte
5
28 Nov 2022

The service was high quality, professional,friendly and on time. The technician was extremely capable and the problem was quickly identified and corrected.
5
21 Nov 2022

Quick, fast and efficient
Mr Dillon
5
22 Oct 2022

Excellent service, highly recommend
5
18 Oct 2022

Efficient and polite

Definitely recommend
5
15 Oct 2022

Sorted in quick time.

Very happy with the results. Was able to ajust the front door the same day they came to access the situation.
Mr McCoy
5
08 Oct 2022

New gutters and soffits

I had new gutters and soffits fitted in the height of the heatwave in July. The fitters were Valentin and Darryl. Two of the nicest people ever. Very capable, efficient, tidy and pleasant. The work was done to a very high standard and I would recommend Global to anyone.
Yvonne
5
04 Oct 2022

Excellent service. Professional employee.
5
03 Oct 2022

Good service from Dan

Good service from Dan
Mr Doherty
5
01 Oct 2022

Checked out window handles, arranged to have them replaced, friendly worker

Yes surely! Came at arranged time, efficient and amiable young man who followed up on the task to be undertaken when the part was not available at Global. Adjusted window ‘settings’ and oiled window joints. Did the work under a guarantee for our door installation though the windows were well out of guarantee! Many thanks. Caoimhe
Mrs Frain
5
01 Oct 2022

Excellent customer service. Your 15 year guarantee is brilliant.

Customer service is excellent. Your service engineer arrived on time and fixed everything perfectly.
5
26 Sep 2022

Clarke very good service staff very pleasant thank you…

Very good service staff very pleasant thank you…
5
21 Sep 2022

Great service

Prompt response to my phone call and the employee who came and fixed the issue was professional and did the job efficiently leaving the place clean.
I. Butler
5
04 Sep 2022

Great workmanship and excellent costumer service.
Mr Egan
5
01 Sep 2022

Prompt & Friendly Service

Prompt and friendly response once contacted Global. Technician had everything on hand. Job done!
Mr Devlin
5
31 Aug 2022

Excellent aftersales service

Asked for safety locks on downstairs windows a year after installation. Had them fitted within two days. Super service
5
03 Aug 2022

Courteous and efficient

Responses were always prompt, efficient, and courteous. They came when they said they said they would and replaced the unit quickly and cleanly.
Mr Maguire
5
26 Jul 2022

A fault developed in a 6 yr old front door.Issue was resolved within24 hrs.

Top class. Excellent service.
Mr Cox
5
24 Jul 2022

Global Efficiency

Daniel repaired the catches on the window & replaced a lock efficiently & with no fuss
5
18 Jul 2022

Very pleased

We had a tiny issue over an incorrect phone number on our account so we weren’t sure about the delivery date. When it happened, the work was done expertly, quickly and the area was left spotless. The Global rep was very polite and friendly.
Mr Kerr
5
01 Jun 2022

First class service just as I had expected.

Very efficient , Very neat and clean fitting crew.
Mr O'Connor
5
31 May 2022

Another fantastic job - love my French doors

Last year global put in my front windows . I was so impressed with professional service that I did not have think twice to have them back to put in new French doors in my kitchen. Once again they did not disappoint- I would fully recommend global if looking for excellent quality, service and so clean & tidy .thank you global team
4
30 May 2022

New lock z

Had to get the lock replaced on our front door. They came out the next day and replaced it. Not sure if its because the lock is new,but it seem a little stiff. All in all a great service
Mr McCoy
5
30 May 2022

Always guanteed prompt and courteous service.

Lock on one of my windows broken.....same replaced by a lovely young man from Carlow, (am at the stage where I don't retain names so well!!!!)...He was so helpful and courteous, great Ambassador for Global.
Mrs Doherty
4
17 May 2022

Window eventually repaired

The window opening mechanism needed repair, it was repaired on the third visit. Two unsuccessful attempts resulted in a third visit by two different engineers.
Mr O'Halloran
5
03 May 2022

The door and fitting was carried out quickly with little fuss and no issues

The two guys were very professional and left no mess and the job was completed in good time and I was kept up to date on the progress as I was in work whilst it was going on.
Mr A Stein