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G M Windows & Doors Ltd G M Windows & Doors Ltd
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Business Details
8 Years
experience
Premium Window & Door Installation in Bolton
G M Windows & Doors Ltd was founded in March 2018 by George Martindale, focusing on delivering top-notch double-glazing windows and door replacement services from its Bolton base. Serving Bolton & Manchester, we are experts in installing a variety of doors and windows. Our product range includes window replacements, double glazing, and composite doors, all aimed at providing optimal solutions for your home. Avail of our free consultation service to ensure the best choices for your property. Contact us today for more information or to schedule your consultation appointment.
Services
uPVC Casement Windows Composite Doors Aluminium Bi-Fold Doors Glass Replacement Brick-Out Conversions
Served areas
  • Bolton, Blackrod, Westhoughton, Farnworth, Horwich, Kearsley, Little Lever, South Turton
Details
  • Year established: 2018
  • Licensed
  • Insured
Highlights and features
  • We offer free home surveys with qualified, non-pushy surveyors
  • Our installations use top-tier materials with insurance-backed guarantees
  • We provide transparent pricing with no hidden fees
  • Our team has over 100 five-star customer reviews
  • We combine technical expertise with exceptional after-sales support
Payment methods
  • Cash, Debit cards, Credit cards, Mobile payments
What people say
Polite and professional team Excellent communication High-quality installations Competitive pricing Perfect finish
Website
Services
uPVC Casement Windows
Durable uPVC casement windows combine traditional aesthetics with modern energy efficiency. Our installations feature reinforced frames, multi-point locking systems, and low-emissivity glass. Ideal for residential properties seeking improved thermal performance and security. Each window undergoes precision fitting to ensure perfect alignment and weatherproofing.
Composite Doors
High-security composite doors merge robust construction with customisable designs. Available in modern and traditional styles, featuring insulated cores and advanced locking mechanisms. Perfect for enhancing property security while maintaining visual appeal. Each installation includes precise measurements and weatherproof sealing.
Aluminium Bi-Fold Doors
Contemporary aluminium bi-fold systems create seamless indoor-outdoor transitions. These space-saving doors feature slim profiles and smooth operation. Suitable for both residential and commercial applications, offering excellent thermal performance and minimal maintenance requirements. Installed with precision engineering for flawless functionality.
Glass Replacement
Specialist double glazing replacement services restore window efficiency without full frame replacement. We install energy-efficient units with argon gas fills and warm edge spacers. Ideal for repairing damaged seals or upgrading thermal performance. Completed with minimal disruption to existing window structures.
Brick-Out Conversions
Professional brick-out services transform existing windows into doorways. Our team handles structural modifications, lintel installations, and weatherproofing. Perfect for creating patio access or expanding living spaces. Each project includes expert masonry work and precise fitting of new door systems.
People
George Martindale
Owner & Founder
With a background in window fitting from his family business, George established G M Windows & Doors in 2018. A former Ironman UK winner, he brings meticulous attention to detail and industry expertise. His leadership focuses on quality craftsmanship and customer-centric service, driving the company's growth through exceptional standards.
Ashley
Lead Installer
Joining as the first apprentice, Ashley became a top regional fitter through dedication and skill development. He oversees installation teams, ensuring precision and adherence to quality benchmarks. Known for professionalism and technical expertise, he plays key roles in complex projects and staff training initiatives.
Questions
What areas do you serve?
We operate across Greater Manchester, Lancashire, Merseyside, Cheshire, and Cumbria, with our Bolton base serving as the hub for regional installations.
Do you offer free surveys?
Yes, we provide free home surveys conducted by qualified surveyors who offer tailored recommendations without pushy sales tactics.
What products do you specialise in?
We specialise in uPVC windows, composite doors, aluminium bi-folds, glass replacements, and brick-out conversions for residential and commercial properties.
Are your installations guaranteed?
All our work includes insurance-backed guarantees, ensuring quality and peace of mind for all clients.
How long does installation take?
Most window and door installations complete within 1-3 days, depending on project complexity and property size.
Can I finance my purchase?
Yes, we offer finance options through our partner Phoenix Financial Consultants Limited, subject to credit approval.
Videos
Reviews (28)
Tony Shackleton
Aug 12, 2024 Report
New front door fitted with Ultion smart locking. Fitter, Declan did a fantastic job, professional, courteous and cleaned up after you couldn't ask for any more. Highly recommend GM windows and Doors Ltd.
Deb Bibby
Jul 08, 2024 Report
GM Windows and Doors recently installed my new composite door From initial contact George was professional in keeping in touch Made sure my choice was the best and helping with colours and finishing touches. I wouldn't hesitate in using them again and would 100% recommend. Fantastic!
Ajit
May 29, 2024 Report
From quotation to installation of a patio door, my experience has been excellent. George gave me great and honest advice and kept to an agreed schedule. He and his team were very quick to answer any questions. This is a first class company. The quality of work is fantastic.
Carol Jenkins
May 28, 2024 Report
I would 100% recommend GM Windows & Doors and would definitely use again. Made a great job of replacing a garage window with a new access door which I am delighted with. The job was very well organised and carried out with a clean, efficient and friendly approach.
Dominic Scrivens
May 16, 2024 Report
Everything you would want from a business. They just get on with job no mess, no fuss.excellent all way through. Product was good quality at a great price. Don't sometimes trust reviews, but these are the real deal. Will be recommended to all.have posted previously as above and with another job completed by GMWindows to exactly the same standard as above excellent. A pleasure to do business with the firm.great!
Meadowcroft Carpentry & Joinery Ltd
Mar 19, 2024 Report
Brilliant service. Really happy with door quality and fitting, would defo recommend G M windows & door ltd
Laura Morrissey
Mar 17, 2024 Report
Just had a window fitted in tenanted property. Good communication with George throughout process and fitted within a short period of time from initial enquiry. Tenant very happy - said lads were very professional, friendly and cleaned up after themselves.
Siobhann Mates
Mar 11, 2024 Report
What an amazing company can't recommend highly enough - 5* I was so impressed from start to finish had several quotes and choose George as his quote was very detailed & came across as a very professional company, he also answered all my questions and followed up on any queries I had before starting. Job was booked in and 3 young lads arrived which initially I was apprehensive but what stars they were & their attention to detail & work ethic was amazing. I had a full house of windows fitted and a new door & couldn't recommend this company enough. Very professional and their attention to detail is second to none.
Jo Thompson
Mar 11, 2024 Report
Thank you George and the lads for replacing my patio door, it's great and at a really competitive price too. You all worked hard on what was a really cold day and I was impressed at the attention to detail you showed and appreciated you clearing up so carefully afterwards. Thanks very much. Recommended.
Cheryl Mallon
Mar 04, 2024 Report
Thank you to George and the team. Had an emergency window to replace and the speedy response and fitting was so efficient. I appreciated how you also kept us updated! Highly recommended.
Janet Brock
Feb 19, 2024 Report
We are really pleased with the work that George and his team carried out for us. Josh, Jack and Callum arrived on time, carried out the work efficiently and cleaned up thoroughly afterwards. They were really friendly from start to finish. We decided on integral blinds between the glass. Josh explained how to use them and we are very happy with the result. Our rooms look brighter, lighter and airier with no fuss about curtains or external blinds. George gave us a competitive quote too. 5 stars from us. Thank you
Alison Shepherd
Feb 06, 2024 Report
George and his team have done an excellent job installing my new French doors. They are very professional throughout the whole process and I would definitely recommend. 5 star service!
Sunjay Patel
Jan 17, 2024 Report
Absolute life savers! I couldn't close my front door this morning, at all!. After ringing round to a few other places that said they couldn't help me, George got the door back closed within the hour. They'll get my first call whenever I need any more work doing for sure! Thanks!
David Miller
Jan 12, 2024 Report
Two lads came to do the work and we're excellent to deal with. Not a major job but well priced and was done with the upmost respect to the property
Joanne Sherlock
Nov 02, 2023 Report
Absolutely a super job well done. Would fully recommend this company. Services Service not listed. More
Ruth Barklem
Mar 02, 2023 Report
George was quick to respond to my enquiry and was able to pop round and provide a quote within a matter of days. He gave us an honest review on the type of door we wanted and his knowledge made us change our minds on what was best. The integral blinds are wonderful. He was happy to fit a new cat flap in the kitchen door and disposed of the old door and window at the end of the job. We are very happy with our new kitchen door and window. We asked George to provide us with a quote for bi-fold doors at the back of the house and will be asking him to do this job sometime in the future.
Tunde Pal
Feb 26, 2023 Report
Just had an entrance door and some windows fitted by George's team and we are more than happy with the work carried out. The team left the place in an impecable condition after finishing the job and we were surprised to see their high standards. Highly recommended. Positive Responsiveness, Punctuality, Quality, Professionalism, Value Services General door installation, Window installation. More
Samira Mohamed
Sep 10, 2022 Report
It was a very professional service, our fitters Ashley and Ben were the most polite fitters that I have ever come across. Both polite and extremely well mannered! Less fuss, less mess and a brilliant finish. Door was of excellent quality and the team led by owner George is an excellent team, fabulous communication skills and explained everything thoroughly prior to fitting so we knew what to expect. Well done and thank you!
Siobhan Burke
Jul 26, 2022 Report
Great fast service. Gave quote quickly, ordered and fitted within a few days even with Easter Bank Holiday being in the way. Cheaper than others I tried in the area and window looks great. They sent a text when they were on their way to save staying in all day, and were nice polite lads too. Would definitely recommend and will use again in the future
Liz Trist
Sep 27, 2021 Report
Having used George and his team to fit windows and doors on another property I had no hesitation in asking him to replace a front door and back door on my own property. Extremely happy with the result and as always a friendly, professional work ethic. Everyone who works there gets on with a quiet professionalism. When I need doors or windows again I will have no hesitation in going straight to G M Windows and doors.
Janet Kay
Aug 12, 2021 Report
We have just had new windows and doors installed and could not be more pleased with the result. The standard of work and attention to detail is superb, which is rare these days. George and the team worked non stop from start to finish and left no mess whatsoever. We would have no hesitation in recommending the company to anyone. Thanks to all the team.
Michelle Lawless
Jul 30, 2021 Report
I am very pleased from start to finish. The initial contact for the quote was quick and the price was competitively quoted. George is a very honest person, and extremely helpful, he remained professional at all times. The installation was excellent and the house was left clean and tidy on completion. Positive Responsiveness, Punctuality, Quality, Professionalism, Value Services General door installation, Window installation. More
Michelle Parkinson
Jul 13, 2021 Report
George was very professional from start to finish, he assisted us with our choices, he was very knowledgeable. Great communication throughout. Superb products which look fantastic, we were very pleased with the overall service we received from start to finish. Thanks George for a stress free purchase Positive Responsiveness, Punctuality, Quality, Professionalism, Value Services General door installation. More
Obydur Rahman
Jun 08, 2021 Report
Top class service from start to finish. We are extremely happy with the installation of our Rockdoor and Window which was measured and fitted inch perfect. We are full of praise for George's work ethic and commitment to delivering his best, for this we are highly appreciative and therefore would definitely recommend using GM Windows Doors Ltd!
Alf Jackson
May 24, 2021 Report
I used GM Widows and Doors to replace a front door and window in a terrace house. I selected them on the recommendation of neighbours who had used them previously. George was excellent in all communication and very helpful in selecting my preferred door / window with no pressure to chose. They stuck to installation dates and completed the work within the day with minimum disruption and to a high standard. Would definitely recommend and use them for any future work.
Sarah Stephenson
Mar 25, 2021 Report
I had been left with a poorly fitted front on a new build house (not their work). George and his team reassured me they would be able to correct it. From start to finish they were amazing could not recommend them enough. Lovely bunch of lads with the knowledge to get the job done. The perfectionism and tidiness was second to none. Thank you!
Giorgia Stevens
Feb 17, 2021 Report
I would 100% recommend G M Windows & Doors. I first messaged George for a quote after recently seeing some of his previous work. George fitted new windows and it has made an amazing transformation to our house. George was very reliable, professional and offered good advice. We have just rebooked him for more work. Thank you for all of your hard work.
Michael Cooke
Jul 29, 2020 Report
HIGHLY RECOMMENDED. We have used GM Windows & Doors on two separate occasions now (A new composite front door and for all the windows & doors to a rear extension) and have found the quality of work to be of the highest standard and very competitively priced! George kept us informed at every stage and went out of his way to ensure every little detail was perfect.