Services and skills
Windows / Doors / Conservatories
18 skills
Windows and Doors
Patio Doors Installation
Exterior Doors Installation
Bifold Doors Installation
Aluminium Windows Installation
French Doors Installation
Misted Double Glazing
UPVC Windows Installation
Porch Installation
Composite Front Doors Installation
Frosted Windows
Triple Glazing Installation
Bay Windows Installation
Glass Replacement
Stable Doors
Double Glazing Installation
Aluminium Doors Installation
UPVC Doors Installation
Services
4 services
- Domestic Work
- Free Estimates
- Cards Accepted
- Insurance Work Undertaken
Albums
Customer reviews
Write a review9.92 /10
Based on 13 reviews over the past 12 months
Quality of work
10
Reliability
9.92
53 Total Reviews
The reviews below represent customers' views and not the views of Checkatrade
9 All downstairs on front and all upstairs was done
Posted 12 November 2024
The guys were given a key and they did the job as I asked. Was quick and polite. Not had a problem with the workmanshipVerified reviewerJob location: BL610 Patio Windows and Doors
Posted 07 November 2024
Job location: M46Very very happy with the job done very efficient would recommend to anybody10 Window replacements
Posted 07 November 2024
Everything was managed very efficiently.Communication was particularly good estimates ,work schedule,invoices etc were clear and easy to understand .All the workforce were very pleasant knowledgeable and skilful. On completion the are was left clean and tidy all the old windows were removed.I would highly recommend his company .Verified reviewerJob location: BL210 New windows and doors
Posted 12 September 2024
We used GM windows for a new composite front and back door, and 7 new windows with frames. The quote provided was very reasonable and £1000 cheaper than a like for like quote I received. The fitters were absolutely fantastic, and I couldn't be happier with the finished product.Verified reviewerJob location: BL010 Fitted 8 windows with integral blinds, a composite door and James Hardie cladding
Posted 29 August 2024
First class from the first contact to the last. Advised when on their way, job done with expertise, diligence and respect with very close attention to detail. Most of our family have used George and his team and there are absolutely no complaints. Highly recommended.Verified reviewerJob location: WN710 French Doors & Windows
Posted 02 June 2024
GM Windows came out to my home to provide a quote, on time, and gave me some good advice when I asked for information about security upgrades available for French doors! Installation went great, very progressional service by the team, and left the place spotless.Verified reviewerJob location: M3010 Outstanding
Posted 26 May 2024
Fabulous workmanship. Beautiful job, super efficient and no mess whatsoever. Couldn't have gone any betterVerified reviewerJob location: M2410 Windows replacement
Posted 20 May 2024
Great service from beginning to end. More then a competitive price I was given for the installation of the windows. I would recommend Gm windows, to anyone. Very prompt service so good I am now considering my back windows getting replaced.Verified reviewerJob location: BL610 New back door and bathroom window
Posted 06 May 2024
I urgently needed a new back door and bathroom window fitting and GM windows & doors fitted me in last minute. The quality of product was just what I was after and I was able to customise the glass and add additional security measures to it. There was a slight issue with the finish of the sealant but the team promptly came back out and rectified this to a quality standard with no questions asked. I have already recommended GM windows & doors to friends and can’t commend them enough for how fantastic they have been!Verified reviewerJob location: M2810 Bathroom window
Posted 03 April 2024
Exceptional service from start to finish! From the initial consultation to the final installation, the entire process was smooth and hassle-free. The craftsmanship and attention to detail were evident in every aspect of the job. Not only did they perfectly fit the bathroom window to my specifications, but they also went above and beyond to ensure it complemented the aesthetic of the space. Professionalism, efficiency, and quality workmanship – I couldn't be more impressed. Highly recommend their services to anyone in need of window installation!Verified reviewerJob location: BL1
Company profile
- OwnerMr George Martindale
- Member Since2020
- Public Liability InsuranceSelf-Certified
- AccreditationsChecked
- AddressChecked
- IdentityChecked
- Checkatrade T&C'sSigned
- VATYes: 303935123
- Company typeLtd Company
Company info
G M Windows & Doors Ltd – About Us
Home is where you build a future and create memories that last a lifetime. That’s why it is so important to make sure every aspect of your home will stand the test of time for you and your loved ones. At G M Windows & Doors, you can rely on expert installation by a team of professionals who truly care about the work they provide their valued customers. If you’re looking for quality window and door installation across Bolton and the greater Manchester area at a reasonable price, this is the team you can count on for exceptional service.
George Martindale started this Bolton-based business in March of 2018. He not only brings a passion for delivering outstanding work, but also a wealth of knowledge to support it. George first started in the industry while working for his father’s window fitting company. It was there that he gained immense insights into the best techniques, quality of materials, and how he began to establish a solid network of contacts within the trade. His natural eye for detail accompanied with seeing first-hand how to run a successful business gave George the confidence to venture out on his own.
What started out as just George, a van, and word of mouth, is now a booming business with more than 100 5 Star reviews from the community they serve. The first apprentice hired on is now one of the top fitters in the region, and the fleet of service vehicles is continuously expanding. With more clients added to the list daily, G M Windows & Doors is growing quickly and consistently brings on more highly trained individuals. This is all thanks to the incredible team for putting their focus on reliable, quality craftsmanship and top-tier service.
Each step of this process you will experience just how much the G M Windows & Doors team puts into customer care. From the first consultation until installation day, you will receive thorough information delivered in a way that is easy to understand and catered to the unique needs of your home. Each project requires individual attention, which is exactly what G M Windows & Doors is respected for. George is personally known for quickly responding to clients with clear direction and trustworthy feedback and that commitment is shared by his employees. Your satisfaction is truly their highest priority, and this strong work ethic makes a noticeable difference.
You can find a wide range of services, from the installation of new doors and windows to the repair and replacement of existing ones. G M Windows & Doors have an extensive range of products to choose from, such as composite doors, window replacement, casement windows, and double glazing, so that you can find the perfect solution for your home.
Not only will your window and door installation be navigated by leaders of the industry who love what they do, but you will also notice the impeccable level of work they create. These are premium installations that look great and are done in a timely manner so that your life won’t be put on hold for long. You will also notice the transparent pricing is extremely competitive, especially for the professionalism you’ll experience when working alongside the G M Windows & Doors team. This is installation made easy, at a price you can feel good about.
When you’re ready to get started on your next window or door installation project, set up a consultation to learn more. You can reach out through WhatsApp Business at 01204 866508 for fast, dependable service you will feel confident entrusting your home with.
Contact details
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- WebsiteVisit website
Accreditations and awards

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