Endorsed by Which?

Windowfix Limited

5.0

102 Reviews

Opening Hours
Today -
  • Monday 08:00–17:00
  • Tuesday 08:00–17:00
  • Wednesday 08:00–17:00
  • Thursday 08:00–17:00
  • Friday 08:00–17:00
  • Saturday - Closed
  • Sunday - Closed

Why you can trust this trader

After undergoing rigorous assessment to become endorsed, every Which? Trusted Trader agrees to our Code of Conduct. This gives consumers the reassurance that they have the best possible protection and adds an extra layer of security to ensure best practices and procedures are followed. Which? fully investigates any breaches and will take any necessary action to ensure consumer protection.

Organisations and Awards

Apr 2020

About

Highly reliable, cost-effective double glazing repair specialists since 2002. We are based in Ashford (Surrey) & cover Surrey, West London, Berkshire and Hampshire.

If you have a problem with a window, door or conservatory we are here to help. Our highly skilled specialists can often carry out repairs on the spot.

Our services include: -
- Replace misted-up & broken glass units
- Window locks, hinges & handles
- Door lock replacement
- Fire escape & child restrictor hinges to windows
- Front, back & French door servicing & re-alignment
- Pet flaps fitted
- Patio doors (wheels & tracks)
- Velux window glass units

Our Locksmiths services include: -
- Jammed lock repairs
- Door lock repairs & installations
- Key duplication – most keys can be cut on-site
- Security upgrades
- uPVC locks & mechanisms

If there is something that is not listed above, please call us, we are available to give you helpful advice.

What we do

  • Glaziers

    • Double glazing repair
    • UPVC Windows
    • Replacement window services and repairs
    • Double glazed units
    • Triple Glazing
    • Velux windows
    • Aluminium Windows
  • Locksmiths

    • Comprehensive locksmith service
    • UPVC lock specialists
  • Doors

    • Composite doors
    • UPVC doors
    • ​Aluminium doors
    • French doors
    • Front door
    • Patio doors
    • Door repairs
  • Double glazing

    • Double glazing repairs

Customer reviews

Why you can trust these reviews

All reviews are verified as being genuine and a true customer of this trader.

How can we be so sure?

100% of the reviews we publish have been through our stringent moderation process.

5.0
102 reviews
Customer Service
5.0
Quality
5.0
Value
5.0
Sort by
Super efficient, fast & friendly service
Customer Service
Quality
Value
This is the 3rd time I have used Window Fix and the service was as usual efficient, fast & friendly and seemed to be a reasonable price
Customer in Berkshire Posted on 09/12/2025 , work completed 25/12/2009
Repair Of 3 Doors & 1 Window
Customer Service
Quality
Value
I needed three doors and one window being repaired, as one door and the window were no longer closing properly, and the other two doors weren't closing at all. Matthew came to see me and provided a quote on the spot. He also let me know that because of the age of the doors, the parts he would need may no longer be available, but that he would check and get back to me. He did this very shortly after his visit, and thankfully the parts were available. On the day of the repairs, Matthew and his colleague Darren were polite, professional, and got all the work done successfully and quickly. As others have said in their reviews, Matthew was professional, honest and open, and his quote was provided on the spot. Should anyone else require window and door services, I would urge them to use Windowfix Ltd.
Customer in Greater London Posted on 03/12/2025 , work completed 02/12/2025
The trader replied (on 05/12/2025)
Thank you so much for your great review. We appreciate it. Should you need us again in the future, please do get in touch. Kind Regards.
Professional and efficient service
Customer Service
Quality
Value
Great service provided efficiently and professionally involving replacement window handles and hinges.
Customer in Surrey Posted on 23/10/2025 , work completed 23/10/2025
The trader replied (on 24/10/2025)
Thank you so much for your great review. We appreciate it. Should you need us again in the future, please do get in touch. Kind Regards - Matt.
Replacing old windows
Customer Service
Quality
Value
We had very old windows with old designs breaking up. Matthew came and gave us excellent advice meaning we were confident of moving forward to replace them. The windows were subsequently upgraded by Windowfix, who carried out the work speedily and efficiently. Matthew gave us some more sage advice regarding other knotty glazing problems, for which we were most grateful. Would thoroughly recommend Matthew and Windowfix.
Customer in Surrey Posted on 11/08/2025 , work completed 29/07/2025
The trader replied (on 12/08/2025)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. Kind Regards
Repair / refurbishment of doors and glass replacement
Customer Service
Quality
Value
We express our sincere appreciation for the excellent work Mathew did in repairing and refurbishing our French doors, as well as replacing the misted glass. The project was a complete success, and the doors are now operating exactly as they should. From our initial enquiry through to completion Mathew was the epitome of professionalism—arriving when promised and handling everything with expertise and care. His dedication and skill made the entire experience seamless, and we couldn’t be more pleased with the result. We would wholeheartedly recommend Mathew to other customers seeking quality craftsmanship and reliability. Thank you again for your outstanding work.
Customer in Greater London Posted on 23/05/2025 , work completed 22/05/2025
The trader replied (on 01/08/2025)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. Kind Regards
Composite Door Repair, Sliding door repair. Great jobs.
Customer Service
Quality
Value
Thanks again to Mathew and his colleague for repairing the lock mechanism on our composite front door and also for repairing the runners on our old sliding patio door. Both repairs were successful and reasonably priced. Mathew arrived when he said he would and was courteous. Would definitely recommend.
Customer in Greater London Posted on 07/05/2025 , work completed 21/03/2025
The trader replied (on 01/08/2025)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. Kind Regards
Replacement of multipoint door lock
Customer Service
Quality
Value
Matthew visited to assess our stiff and noisy multipoint locking mechanism on our wood kitchen French doors. He diagnosed the problem, measured and ordered the parts and returned as scheduled to fit the new mechanism. I had not used him before but was impressed by his efficient organisation, promptness and polite and friendly manner. His work was carried out with no fuss or mess and we now have a quiet and easy to operate door lock. I would use him again and can certainly recommend him.
Customer in Greater London Posted on 12/03/2025 , work completed 12/03/2025
The trader replied (on 01/08/2025)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. Kind Regards
Replacement wheels on conservatory door
Customer Service
Quality
Value
Matthew was courteous and friendly arrived at the time and date agreed. Work was completed quickly and efficiently with no mess. As a female pensioner on my own in the house I felt quite happy employing them. The final bill was the same as the original quote with no extra work suddenly being found as some traders are likely to do.
Customer in Surrey Posted on 16/12/2024 , work completed 13/12/2024
The trader replied (on 18/12/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
I'm so glad I've found Matt after much disappointment with other companies. I would highly recommend him and his work.
Customer Service
Quality
Value
I had some blown windows and doors in my conservatory. I carried out a thorough review on checkatrade and trustatrader before selecting several companies to come and quote for the work. I was most impressed with Windowfix's Which accreditation and Matt's DBS certification so I left him until last as these two items made him the most likely candidate and I wanted to be sure that I'd explored all options before deciding. I quickly ruled out the other two companies following their visits as they could not give me the solution that I wanted. Instead they quoted for complete replacement doors and windows on the basis that new glass wouldn't fit into old frames. Matt came to look at the work that needed doing and I was impressed from the start. His van and his clothes had his branding on and he introduced himself. These are such obvious things but sadly lacking with the other companies. He was very polite and respectful and discussed what he would be able to do for me. He provided a quote there and then instead of me having to wait for an email. He clearly explained the payment terms and is a rare person as he didn't want payment upfront (which others did and I object to as there is no leverage if the work is unsatisfactory). I happily gave the go ahead for Matt to order the glass. Matt and Darren came to do the work. They were professional, respectful and polite throughout and cleaned up after themselves. I am very happy with the work and would happily use Windowfix again.
Customer in Surrey Posted on 02/12/2024 , work completed 29/11/2024
The trader replied (on 18/12/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Great work
Customer Service
Quality
Value
Mat and his colleague did a brilliant job repairing our patio door. Efficient and clean work. We would highly recommend.
Customer in Surrey Posted on 19/10/2024 , work completed 18/10/2024
The trader replied (on 18/12/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Professional Service!
Customer Service
Quality
Value
Matthew was the ultimate professional who loves a challenge. Even when the required part was not on the catalogue, he came up with an alternative plan. He provided a first-class service and repaired three of my windows which are now working perfectly. I fully recommend him and Windowfix for any window repair that you have.
Customer in Surrey Posted on 20/08/2024 , work completed 20/08/2024
The trader replied (on 22/09/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Excellent Service
Customer Service
Quality
Value
Had two replacement windows fitted in our conservatory. From start to finish the customer service was excellent. We were kept fully up to date with timings. When fitting the new panes the work was completed quickly and efficiently. Would recommend to anyone who needs replacement windows which have ‘blown’.
Customer in Greater London Posted on 20/08/2024 , work completed 20/08/2024
The trader replied (on 22/09/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
New locks for Front Door
Customer Service
Quality
Value
Matthew came at the time he said that he would come when he had received the parts for our front door. The whole of the locking mechanism was replaced which gave us confidence that it would be effective for a long time. He is very pleasant, efficient and professional. The work was done extremely quickly and looked like the door was new. We would use him again if we needed to and recommend him to anyone needing doors, locks and windows. Excellent work and a fair price for the job.
Customer in Hampshire Posted on 07/08/2024 , work completed 07/08/2024
The trader replied (on 08/08/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Brilliant Service
Customer Service
Quality
Value
We have used Matthew a few times to have replacement units fitted due to units having blown. Really cannot speak too highly of his work ethic, nothing is too much trouble and work carried out in a very clean manner. Everything carried out as per original quote and fitted at an agreed date and always arrives on time. You get what you pay for, a superb service and quality units with guarantee. Thanks Matt.
Customer in Surrey Posted on 30/07/2024 , work completed 30/07/2024
The trader replied (on 08/08/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Excellence All Round
Customer Service
Quality
Value
We've used Matt a few times to replace various blown windows. He's consistantly superb - turns up on time, returns calls / emails, quotes are on point and fair, his workmanship is excellent, he's clean, efficient, polite. An all round quality service from start to finish.
Customer in Surrey Posted on 17/07/2024 , work completed 17/07/2024
The trader replied (on 22/07/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Highly recommended
Customer Service
Quality
Value
This is the second time we've needed the services of Matt from WindowFix. Once again he was punctual, friendly and knowledgeable. Astonishingly, as the fix this time turned out to be much simpler that we had anticipated, he didn't even charge us for his time. Traders don't come better than this. Definitely our first stop for any future needs. Highly recommended.
Customer in Greater London Posted on 11/07/2024 , work completed 11/07/2024
The trader replied (on 22/07/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Value for money and Quality
Customer Service
Quality
Value
Skillful, efficient, punctual and honest. Matthew is friendly and professional. Four window glasses were done within an hour. Lots of pragmatic advice and recommendations. Good price too. Will definitely use again.
Customer in Surrey Posted on 27/06/2024 , work completed 27/06/2024
The trader replied (on 28/06/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Good honest tradesperson
Customer Service
Quality
Value
I contacted Matt via his website page and he called me very promptly . I needed some glass to be replaced in a window that had been smashed by tenants . He came within the agreed time frame and measured up and then gave me a date of when he would call again to let me know when the glass was ready to be fitted . Matt is very personable as well as knowledgable . It’s clear to see he has been in this industry for a while as he knows his stuff ! Thanks Matt for your professionalism!
Customer in Berkshire Posted on 26/06/2024 , work completed 24/05/2024
The trader replied (on 28/06/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Great experience
Customer Service
Quality
Value
Provided prompt quote and then performed repairs to a good standard and on schedule. The team seemed very knowledgeable and were able to adjust our aluminium doors so that they now open and close smoothly. Would certainly recommend.
Customer in Greater London Posted on 14/06/2024 , work completed 14/06/2024
The trader replied (on 28/06/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Honest, competent and friendly locksmith
Customer Service
Quality
Value
Contacted Matt re a key that had broken off in the lock of a tilt and turn window. He recognised the problem straightaway and quoted me for a job that would have involved replacing both locks (as sourcing the original ones would have been problematic following the liquidation of the manufacturer). Matt turned up within the time window agreed and, having initially thought he wouldn't be able to replace the locks after all, proceeded to try to remove the broken piece of key from the lock. Thankfully, he managed to do this and the whole job proved to be less time-consuming and costly as a result. Warmly recommended - we would definitely use Matt again.
Customer in Surrey Posted on 12/06/2024 , work completed 12/06/2024
The trader replied (on 28/06/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Good work, good communication
Customer Service
Quality
Value
Good, clean work. Responded promptly to initial enquiry regarding the work and an estimate. Arrived as agreed to assess the work and was clear regarding timescales and cost. On the day of the work similarly arrived within communicated time and efficiently and cleanly carried out the work. All good, would happily use again and would happily recommend to others.
Customer in Berkshire Posted on 29/05/2024 , work completed 17/05/2024
The trader replied (on 09/06/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Window repairs
Customer Service
Quality
Value
I have used Windofix now twice this time to replace two handles and one double glazing window which has blown. I cannot rate the services high enough. Excellent communication, explains everything in laymans language, punctual, clean, and a good price. No job is too small, I will use again without any hesitation when required
Customer in Hampshire Posted on 28/05/2024 , work completed 28/05/2024
The trader replied (on 09/06/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Excellent work and friendly service
Customer Service
Quality
Value
I have been extremely impressed at the service provided by Windowfix from first contact with the company to the actual fitting of the replacement double glazing units. The quotation was clear and fair for the work required. Matthew the owner was professional, polite and friendly and respectful of our property. The units fitted were high quality and matched the originals. All in all an excellent service ! Would definitely use Windowfix again.
Customer in Surrey Posted on 28/03/2024 , work completed 13/03/2024
The trader replied (on 17/05/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
Fantastic Repair to Front Door
Customer Service
Quality
Value
I contacted Matt after finding him through an internet search and reading his positive reviews. We had a problem with a badly installed composite front door (not by him I hasten to add) and I didn’t trust the installation company to resolve it. Matt attended a few days after contacting him and diagnosed the problem which was poor overall fitting and overwinding of the hinge adjustments. He gave a fair quote and explained it would take a few weeks for the parts to arrive. He attended today and has made a first class job of rectifying our door. Matt is very knowledgeable and clearly passionate about his work. His communication was excellent, always responding to calls etc. I can’t fault anything and would use him again at a drop of a hat and recommend him to family and friends. Well done all round.
Customer in Surrey Posted on 23/02/2024 , work completed 23/02/2024
The trader replied (on 27/02/2024)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.
A very professional job - very happy
Customer Service
Quality
Value
We needed several "blown" double glazed windows replaced on a house we are refurbishing to rent out. Most of the blown panes were of 1st generation double glazing and it was proving difficult to find someone who could do the job. Windowfix came to the rescue! Matthew Long clearly explained all the options and provided a quotation at the time of the inspection visit. The new panes were installed on the agreed date and I'm really impressed with the end result. This was much cheaper than scrapping the whole windows and installing completely new units. I'd definitely use WindowFix again.
Customer in Greater London Posted on 15/12/2023 , work completed 15/12/2023
The trader replied (on 18/12/2023)
Thank you so much for your great review, we appreciate it. Should you need us again in the future, please do get in touch. With kind regards - Matt.