Grabex Windows Ltd Bewertungen 

251
•
TrustScore 4.5 von 5

4,6

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Das sagen Bewerter

Bewertet mit 5 von 5 Sternen

I had my windows replaced 17 years ago and it’s such a quality product, it still going strong. I’ve only just had an issue with it and the Grabex team have managed my enquiry and the repair with spee... Mehr ansehen

Bewertet mit 5 von 5 Sternen

We are long time fans of Grabex! We’ve just had a fabulous large bay wood replacement window added to our collection. The quality of the window, like all our others, is superb and Greg, who fitted it... Mehr ansehen

Bewertet mit 5 von 5 Sternen

One of our ground floor sliding doors was stuck in the open position. The installation was in 2019. Grabex customer service was efficient and helpful. They sent Richard, the Engineer round, as soon... Mehr ansehen

Bewertet mit 5 von 5 Sternen

Excellent company to work with. It wasn’t perfect ride as builder didn’t prepare everything as needed but eventually Marcin@Grabex helped to get things sorted and went far beyond scope of works to hav... Mehr ansehen

Unternehmen hat geantwortet

Unternehmensdetails

  1. Fensteranbieter
  2. Hersteller
  3. Hersteller von Aluminiumfenstern
  4. Installateur von Fenstern mit Doppeltverglasung
  5. Lieferant von PVC-Fenstern
  6. Türenhersteller

Vom Unternehmen geschrieben

Grabex Windows is a specialist manufacturer and installer of bespoke, high-quality timber and premium aluminium windows and doors. Based in Orpington, Kent, we supply and fit for residential, commercial, and trade customers across Greater London, Kent, Surrey, and surrounding South East areas. Our made-to-measure double-glazed (and triple-glazed) product range includes timber sash windows, aluminium bi-fold and sliding doors, glazed roofs, steel doors, and heritage timber windows and doors. Get the best quality, factory-direct products tailored to your exact requirements.


Kontaktinformationen

4,6

Hervorragend

TrustScore 4.5 von 5

251 Bewertungen

5 Sterne
4 Sterne
3 Sterne
2 Sterne
1 Stern

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4,6

Alle Bewertungen

(251)

33 Bewertungen in den letzten 12 Monaten

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Bewertet mit 5 von 5 Sternen

Great product, great service

We are very pleased with our new back doors from Grabex. The quality of the product is excellent and competitively priced. Throughout the entire process, the service has been polite, courteous, and professional. When we encountered a small issue — which was not their fault — Grabex responded immediately and resolved it without any hassle. I have no hesitation in recommending this company.

5. Februar 2026
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Hi Janice,

Thank you for your kind feedback, we’re delighted to hear how pleased you are with your new back doors. It’s great to know you found the quality excellent and competitively priced, and that our team provided a polite and professional service throughout the process.

Grabex Windows

Bewertet mit 5 von 5 Sternen

An excellent experience with the Grabex team have been a returning customer with…

I have been a returning customer with Grabex for the last eight years I now have three metal doors opening onto my garden . I recently had an issue with my new door . To cut a long story short a mistake was made with the name of the product, it wasn’t what I had ordered and Grabex acknowledged it and organised a replacement . The care they took to replace the door and repaired snagging was absolutely excellent. Richard and Phill ( accompanied by the manager Mariuz) were totally professional. They also removed and replaced rendering and worked extra hard to match successfully the existing colour. This is my 3rd door and they are great . Beautiful and solid . All in all I thoroughly recommend the company, their friendly and dedicated team and if a problem arises they will go the extra mile to satisfy their customers. A well deserved five star rating . Ms L.Simon

10. Februar 2026
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Hi Laurence,

Thank you so much for your continued trust in Grabex over the past eight years, your loyalty truly means a lot to us. We’re delighted to hear how pleased you are with your new metal doors and that the final result met your expectations.

It’s wonderful to hear that you’re happy with all three doors and the quality, durability, and aesthetics they bring to your home. Your recommendation and five-star rating are greatly appreciated by the entire team.

Grabex Windows

Bewertet mit 5 von 5 Sternen

Definitely recommend

Patryck and John from Grabex fitted our windows over the last two days and we couldn’t be happier with the service. They were extremely hardworking, arrived exactly when they said they would, and nothing was ever too much trouble for them. Both were polite, friendly, and cleared up as they went along, which we really appreciated.

As we was working from home, Patrick and John were very accommodating and completed the windows in the order we had requested so that we could continue working in certain rooms without too much disruption. That made a huge difference for us.

Patrick’s finish is absolutely amazing. My husband is very particular when it comes to workmanship, and even he was genuinely impressed with the quality and attention to detail.

We are also so pleased with Iwona, who quoted for the windows and spent a lot of time going back and forth with us to get everything just right. Nothing ever felt rushed and she was incredibly patient and helpful throughout the process.

Matt, who arranged everything for us, has been fantastic from start to finish. From organising our showroom visit to guiding us through the options available he made the whole process feel straightforward and stress-free. He kept us regularly updated on timescales, let us know as soon as the windows arrived, arranged the installation promptly, and checked in afterwards to make sure we were completely happy. His communication throughout was excellent and we always felt well looked after.

We wouldn’t hesitate to recommend Grabex. Matt, Patrick, John and Iwona have all been amazing and we’re so pleased we chose them.

12. Februar 2026
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Hi Danielle,

Thank you so much for your wonderful review and for taking the time to share your experience in such detail. We’re absolutely delighted to hear how happy you are with your new windows and the overall service.

It’s great to know that Patryck and John made the installation process smooth, tidy, and accommodating while you were working from home, and that the finish met such high expectations.

Grabex Windows

Bewertet mit 5 von 5 Sternen

Excellent Service from Start to Finish

From our first showroom visit to installation, the service was outstanding. Iwona was knowledgeable and helpful without being pushy, and nothing was too much trouble when we made changes to our quote.

Matt kept us fully updated throughout, arranged the survey promptly, and worked hard to secure installation dates that suited our family schedule. He also checked in with us on both installation days to make sure everything was going smoothly and was extremely helpful throughout the whole process. Lukasz the surveyor was polite and very knowledgeable.

Nine windows were installed over two days by Patryck and John, who were punctual, tidy, and extremely professional. The quality of the windows and the finish is superb — and I’m very particular about detail! We are now looking forward to getting our front door installed and bi-folds later in the year.

A smooth, well-managed process from start to finish. Double glazing can sometimes get a bad reputation, but certainly not Grabex. We wouldn’t hesitate to recommend them.

12. Februar 2026
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Hi James,

Thank you so much for taking the time to leave such a detailed and thoughtful review. We’re delighted to hear that your experience with Grabex was smooth and positive from start to finish.

It’s great to know that Iwona, Matt, Lukasz, Patryck, and John all provided the level of service and professionalism we strive for on every project. We’ll be sure to pass on your kind words to the whole team.

Grabex Windows

Bewertet mit 5 von 5 Sternen

Would definitely recommend

The windows are great quality and the fitters on the day did an amazing job. They worked in some tight spaces with old walls and left everything clean and tidy afterwards.

3. Februar 2026
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Hi Sally,

Thank you so much for your kind words! We’re thrilled to hear that you’re happy with the quality of your windows and the service provided by our team. Our fitters always aim to work carefully, even in tricky spaces, and it’s great to know that their efforts made a positive impression.

We really appreciate you taking the time to share your experience and hope you continue to enjoy your new windows!

Grabex Windows

Bewertet mit 5 von 5 Sternen

Outstanding …

My experience with Grabex has been outstanding . I could not fault them from start to finish . The communication from Matt was very good, the installation went without a hitch and the installers , Greg and his team were absolute professionals . Peter on sales was also super helpful . I highly recommend this company and will be having them back to do my patio doors .

10. Dezember 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you for such fantastic feedback Sharon and for your 5 stars! We're thrilled you shared your experience and Matt, Greg and Peter are extremely grateful for your kind words and your recommendation!
We look forward to welcoming you back for your patio doors installation and supporting you again with another successful project! All the best and speak to you soon!

Bewertet mit 5 von 5 Sternen

Professional and on time!

Professional, friendly team that installed our new, amazing aluminium windows on time and with attention to details. Grabex Windows is a company I will definitely return to while continuing our period house renovations. I also liked the fact that we were advised not only what kind of windows we needed to keep in character with our original 1930's style, but also what works needed to be carried out to make sure the house will be optimised for the changes. Working with Grabex was like a breath of fresh air among the meanders of our lengthy house refurbishment! Bravo!

9. April 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you very much for your wonderful 5-star review and for choosing Grabex Windows for your aluminium window installation. We’re delighted to hear that you were happy with our professional and friendly team, our attention to detail, and the timely installation of your new windows. We're so happy to hear that our guidance on selecting aluminium windows, and also other works needed that complement your 1930s period property was of value to you.

Being part of your ongoing house renovation journey and described as a “breath of fresh air” truly means a great deal to our entire team. We look forward to working with you again as your refurbishment progresses and would be happy to support any future window or glazing projects. Thank you once again for your kind words and recommendation!

Bewertet mit 5 von 5 Sternen

Excellent job on new front door

We can thoroughly recommend Grabex Windows who supplied and fitted our new glazed front door and two glazed side panels.

Greg was our initial contact and was very helpful through the design phase, which included a tour round the factory. Lukas was proactive and clear on the survey, Richard and Phil did a great job fitting the whole unit, and Matt in customer service coordinated everything well.

Must also give a big shout out to Hugh Wootton of Specialist Glass Company in Sidcup who created our three beautiful stained glass panels. Hugh was recommended by Grabex and works regularly with them.

18. November 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you so much for your fantastic 5-star review John! We’re delighted to hear that you’re pleased with your new glazed front door and side panels, and that the entire process, from design to installation, was a positive experience.

Greg, Lukas, Richard, Phil, and Matt will be thrilled to know their efforts made such a great impression and it’s wonderful to hear that each stage met your expectations. We’re also pleased that our recommendation of Hugh Wootton and his Specialist Glass Company worked out so well. His stained glass work truly adds something special to our entrance doors.

Thank you again for choosing Grabex and for your kind recommendation. If there’s anything more we can help with in the future, we’re always here to assist you!

Bewertet mit 5 von 5 Sternen

This was a good experience

This was a good experience - our sale consultant Marta Bouziane was very helpful and patient with us - the process was long as we have had to make a few changes due to unexpected design challenges. The installation was timely and professional.

1. Oktober 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you for your 5 stars Dorota and for such great feedback and your kind words about our team members! Glad you had a good experience from the initial contact to the installation! Let us know if we can be of any help in the future, all the best!

Bewertet mit 5 von 5 Sternen

Great double glazing experience

I had double glazing windows installed in my period property apartment several years ago. I had a great experience from start to finish - quality materials, like for like design for period properly, and professionnel fitting. What made Grabex stand out is their customer service. I had an issue opening a window that had been closed for a while. Grabex were responsive in arranging a visit, didn't charge to fix the issue and provided a helpful tip on maintenance long term.

6. Oktober 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you for your wonderful review and your 5 stars! It's so great to read about your experience from start to finish and that you're happy with the outcome and our customer service- it means a lot to our whole team! If you ever need any further support or advice on your windows and doors, we’re always happy to help!

Bewertet mit 5 von 5 Sternen

I had 4 windows and a door installed

I had 4 windows and a door installed, replacing existing old windows with bad insulation.Grabex were professional throughout. I highly recommend.

2. Oktober 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you Michael! So glad we could help and that you're happy with your new windows and doors! Thank you for your kind words and recommendation! Let us know if we can be of any help in the future!

Bewertet mit 5 von 5 Sternen

Incredible service from Grabex !

Incredible service from Grabex from start to finish and very happy with my new windows and doors. A professional, dedicated team whom i thoroughly reccommend.

7. Oktober 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thank you for your 5 stars Zoe and for your kind words about our team! It's been a pleasure working with you! So glad to hear you're happy with your new windows and doors! Always happy to help in the future! All the best!

Bewertet mit 5 von 5 Sternen

Great experience with Matt and Greg at…

Great experience with Matt and Greg at Grabex. Everything completed on time and to great standard. Highly recommend!

7. Oktober 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Thanks so much for your kind feedback Andrew!
We’re thrilled to hear you had such great experience working with Grabex Windows in London. Quality windows and doors, fitted on time — that’s what we love to deliver! Thank you so much for your recommendation! And please give us a shout if we can be of any help in the future!

Bewertet mit 1 von 5 Sternen

Property owners screwed up in business to business deal

Grabex dealt the windows order with by builders as btb deal. Property owners paid the builders for the windows. After works are finished, Grabex required the property owners to pay £150 + VAT to have the account under their name and said windows were provided without warranty whilst builders sold to the property owner a 10 years warranty. Property owners BE CAUTIOUS about this mechanism which will screw you up.

23. September 2025
Bewertung ohne vorherige Einladung
Grabex Windows Ltd-Logo

Antwort von Grabex Windows Ltd

Dear Vanessa,
We are sorry to hear about your disappointment, but we feel it’s important to clarify the situation for accuracy. We also feel disappointed, after exchanging correspondence with you, where we were trying to be helpful, only to read this review.

You contacted us about the service for the bifold doors purchased 7 years ago. We informed you that this product was not supplied by us (as your builder indicated) and only your timber windows were, and this particular order was placed directly with the builder on a business-to-business and supply only basis. The builder was the legal contract holder with Grabex, and our contract, invoices, and guarantee were issued in the builder’s name only - nobody corrected us at that time that this was not the case, and they should be issued in a different name. You also admitted that you paid builders for the windows.

As clearly stated in our Terms and Conditions:
-Guarantee documents are issued exclusively to the person or company who signs the contract with us.
-Warranty rights do not transfer automatically to third parties or new property owners.
-A formal transfer process must be followed, which involves a £150 + VAT administration fee, if the guarantee and contract records are to be updated at the later date in different names.

In this case, as the builder purchased the windows on a supply-only basis, they were responsible for both the installation and for providing any assurances they gave to you as their client. Our guarantee obligations apply solely to our direct customer (the builder), unless the proper transfer procedure is requested and completed.

We always recommend property owners confirm warranty transfer arrangements with their builder at the time of purchase, as this avoids misunderstandings later.
We hope this clears up the matter and reassures future customers that our terms are transparent and consistently applied.

Bewertet mit 5 von 5 Sternen

I had windows and doors change in my…

I had windows and doors change in my home . I'm very please for work you have done. Igor and Dorian were extremely helpful , professional and hard working people, very positive and cherfool . They work longer to get job done with one short break through whole day.
Menager Mariusz told us how to protect windows and doors. Hi provide us with silicon spray for locks and seals.
Thank you Grabex .

5. September 2025
Bewertung ohne vorherige Einladung
Bewertet mit 5 von 5 Sternen

Excellent after sales service

We had some really lovely bifold doors made and fitted by Grabex about eight years ago. They were not the cheapest but we love them and have been very happy with them. A few days ago, we started having trouble with the lock. I checked my paperwork and we had a 10-year guarantee. I got in touch with them, and they couldn't have been more helpful. A day or two later, their chap Richard turned up and fixed the doors (no charge). Really impressed.

29. August 2025
Bewertung ohne vorherige Einladung
Bewertet mit 5 von 5 Sternen

I am so pleased we chose GRABEX

From the initial enquiry through to the installation the service and attention to detail from GRABEX has been everything we could have hoped for. As for the windows and additional work? amazing value for money and such a worthwhile investment. Thank You!

31. August 2025
Bewertung ohne vorherige Einladung
Bewertet mit 5 von 5 Sternen

Brilliant service

Follow up visit from the team at Grabex to service my beautiful sliding doors. Prompt, efficient service with a smile. Nothing is ever too much trouble and you can rest assured that they provide really excellent customer care. 10/10.

18. August 2025
Bewertung ohne vorherige Einladung
Bewertet mit 5 von 5 Sternen

Excellent service and product (Georgian Style paned windows)

We contacted Krystian at Grabex Windows to gather information, to replace our kitchen windows and bedroom windows on same floor.
He was excellent to deal with and very professional, as was Lucasz the Surveyor, and Matt (in office).

We finally had the paned "Georgian" style windows fitted very quickly from initial consultation with a great result!
We would recommend the Grabex window products and the very professional staff for windows!
Our new windows look great and we're very pleased with them.
Thankyou to all at Grabex (and to fitters Ryan and Scott)!
Excellent!

15. August 2025
Bewertung ohne vorherige Einladung
Bewertet mit 5 von 5 Sternen

Krystian Brzozowski and his team were…

Krystian Brzozowski and his team were extremely professional in every aspect of the job. I observed good time keeping, hard work, attention to detail, polite manners and transparency throughout the work conducted on our house. Very happy with the new windows and door that was installed. Highly recommend their services.

28. April 2025
Bewertung ohne vorherige Einladung

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