High quality installation of double glazing
I can wholeheartedly recommend Crestshield Windows. They installed six uPVC sash windows and a casement window in my flat in Autumn 2025 and were professional, friendly, helpful and informative from start to finish. They managed to meet the rather precise timescale that I asked for, which was a great help. The windows they supplied are of very good quality and the installer Brad was meticulous in his work, and in his care and respect for me and my home. Both internally and externally the work that Crestshield have done is excellent; it has made a major improvement to the sound and heat insulation in my flat, and is a pleasure to look at from inside and outside.
Customer in Greater London
Posted on 18/11/2025
, work completed 01/11/2025
Recommended
Excellent Service from Crestshield Windows Ltd
I couldn’t be more impressed with Crestshield Windows Ltd. From the initial consultation to the final installation, the entire process was seamless and professional. Their team was punctual, courteous, and clearly skilled at their craft. The quality of the materials used is first-class, durable, sleek, and built to last. It’s refreshing to see such attention to detail and pride in workmanship. I highly recommend Crestshield Windows to anyone seeking high-quality windows and expert installation. They exceeded all expectations, and my home feels brighter and better. Thank you, Ian!
Customer in Greater London
Posted on 28/07/2025
, work completed 27/02/2025
Recommended
Excellent work
Crestshield Windows Ltd replaced a window in my house and I was very pleased with the result. The quality of both the window and workmanship was excellent. Brad and Scot did a superb job and even replaced the faulty flashing which I thought I would have to get done separately. The price was reasonable too. I thoroughly recommend this Company.
Customer in Greater London
Posted on 09/07/2025
, work completed 02/05/2025
Recommended
Highly recommended
Very good service. Great products. I highly recommend Crestshield Windows. Having tried three other companies, I chose Crestshield Windows. Not only are they a local company, they're dedicated to doing a good job. During my enquiries, all of my questions were answered, the prices were laid out very simply and a timeline made clear. Throughout the job, communication was incredibly easy, deadlines were met and the work carried out smoothly. A year later, the window and door are still working very well without any issues at all. I'll be choosing Crestshield Windows in the future.
Customer in Greater London
Posted on 04/06/2025
, work completed 03/06/2024
Recommended
Top class product, and even better Customer Service
I recently had my whole house fitted with new windows and doors from Crestshield Windows. I went for a PVC back door and a composite front door. I was very sceptical as to which company to use as I wanted the best product possible but I didn’t want to get ripped off. I’m so glad I chose Creat Shield Windows. From start to finish, the whole process was flawless. I met with Peter to start the consultation process. He was great. He even noticed my existing back door was hung wrong and was blocking a lot of the garden off, so he suggested changing this for the new install. Sam and Elane in the office are the Customer Service team who make the company special in my opinion. My experience with them was amazing. They made me feel at ease. I had loads of questions and they were patient and just so so nice throughout the process. Unfortunately, I didn’t meet the fitters due to me being at work, but my son said they were really lovely and they worked fast which always helps. I couldn’t be happier with the product and the finish is amazing. I feel like it’s a new house and it helps that they left the place clean and tidy. I couldn’t recommend this company enough. Did I mention how special Sam and Elane were? lol. Book with them, you won’t regret it.
Customer in Greater London
Posted on 25/02/2025
, work completed 21/02/2025
Recommended
Windows/ Doors Replacement
I first had Crestshield windows replace a front door and patio door in January 2024 and I was so delighted with the finish, that I decided to replace a further five windows and one door with them. This was completed January 2025 and I am so pleased with not only how the whole experience went, but just how lovely they look. Peter and Ben as well as all the Crestshield staff were helpful and easy to talk to. Absolutely a 5* rating. Penge area customer.
Customer in Greater London
Posted on 25/01/2025
(Reviewer did not use service)
Recommended
Window replacement
I had an attempted break in resulting in two windows needed replacing. Crestshield came out to quote. They were very professional and also sensitive to what had happened. They prioritised the order of the windows and replacement of the windows. Excellent work.
Customer in Greater London
Posted on 23/11/2024
, work completed 21/10/2024
Recommended
Lovely replacement bedroom windows from a very nice company
We needed to replace 1980s windows in two of our bedrooms. I researched local companies quite thoroughly and got several quotes. We ended up choosing Crestshield and were not disappointed. The measuring visit, office organisation and fitting were all done with care and any queries we had were addressed swiftly. Billing was clear and there were no unexpected costs. All staff were very friendly and helpful, and the fitters also tidied up well. A good experience, and would definitely use Crestshield again.
Customer in Greater London
Posted on 08/10/2024
, work completed 14/08/2024
Recommended
New front door and bathroom window
I replaced my front door and bathroom window (not a small window). It was a lot of work as it's an old property. Ian made it look easy. All surfaces were covered. He took a lot care removing old window/door and replacing with new. He cleared away all the mess and even put up some tiles in the bathroom that had fallen off.
Customer in Greater London
Posted on 21/09/2024
, work completed 12/09/2024
Recommended
7 UPVC Windows & French Doors
Crestshield Windows are absolutely fantastic. From the beginning when Peter discussed our project and provided the quotation, to Ben superbly replicating the leaded lights with stain glass shields in our bay windows through to the installation by Brad and Scott who were efficient, very tidy and ensured the finishes were to a high standard. Not forgetting the ladies in the office who were friendly, helpful and professional. Our sincere thanks go to everyone for a job well done. We have no qualms in giving Crestshield the highest recommendation.
Customer in Greater London
Posted on 27/08/2024
, work completed 21/08/2024
Recommended
We have used Crestshield over 40 year always excellent service
We have used Crestshield for over 40 years for full replacement of windows and smaller projects they have always provided an excellent service. Crestshield’s friendly, professional teams working quietly installing good quality products with highest standard of finish.
Customer in Greater London
Posted on 21/08/2024
, work completed 07/08/2024
Recommended
Great Job
Crestshield recently installed a new front door and new windows to 6 different rooms. We were very happy with the cost and schedule taken to do the works and the quality of the windows. The installation team Scott & Brad were helpful and minimised disruption to us whilst changing windows in multi rooms in the house. When we were concerned that the front door was sticking they revisited to adjust it.
Customer in Greater London
Posted on 17/05/2024
, work completed 29/04/2024
Recommended
Kitchen window replacements
Once again we have used Crestfield to replace 2 kitchen windows having had positive experiences over a number of years with the company.Sure enough the very able and helpful Brad assisted by Scott did a very job , all completed on time and cleaning up afterwards. So nothing but praise for them but also for the entire team at Crestfield that are easily reachable and very pleasant to deal with.
Customer in Greater London
Posted on 21/03/2024
, work completed 19/03/2024
Recommended
New Double Glazed Bay Windows & Bathroom Window
All quotation, ordering, surveying processes and communications with Crestshield were very efficient and responsive. Samantha provided excellent organisation and post fitting follow up customer care. Brad and Scott carried out the installation professionally, smoothly and in a friendly/pleasant manner. I highly recommend Crestshield Windows from my very positive experience with them.
Customer in Greater London
Posted on 23/01/2024
, work completed 15/01/2024
Recommended
Friendly, quality & quick
Throughout the company was friendly and we kept chatting to arrange the best time to get the job done (Some scaffolding was delaying the works) but that was sorted and the guys who did the fitting rattled through it at a machine like pace meaning everything was completed in a few hours and the final result is great! Considering the windows hadn't been changed sine 1986! Yep, they definitely needed an upgrade and the fitters managed to keep my bathroom tiles intact as they were at risk of falling during the fitting, so great job all round.
Customer in Greater London
Posted on 27/08/2023
, work completed 22/08/2023
Recommended
Reliable and efficient
I had a back door and front sash windows replaced. The work was carried out as scheduled and took two days. The back door lock needed adjusting and Ian responded immediately and came the next working day to fix it. I was always able to speak to someone when I had questions. The process from initial consultation in January and quote by Peter, then survey and installation by Ian in April was smooth, and everything was clearly communicated. The cost remained the same, so there were no surprises there. Highly recommended.
Customer in Greater London
Posted on 19/04/2023
, work completed 03/04/2023
Recommended
Superb, highly recommended
From initial call to completion, these folks really know what they are doing. Professional, polite at all times. I will not hesitate in recommending Crestshield to anyone.
Customer in Greater London
Posted on 12/04/2023
, work completed 06/04/2023
Recommended
Good, efficient work
Work completed to a high standard, quickly efficiently and cleanly. Workmen are very polite and conscientious. Cleared up very well.
Customer in East Sussex
Posted on 11/04/2023
, work completed 06/04/2023
Recommended
New double glazed windows fitted
Arrived on time, very polite and personable installers. You could see they took pride in the work they were doing and were always happy to answer any of general questions. They also cleaned up after to a good standard. very pleased with the work they did and would happily use them again.
Customer in Greater London
Posted on 07/10/2022
, work completed 08/06/2022
Recommended
Great work
Have used crestshields windows several times now for doors and windows. They always provided cheapest quote. They are a Family run business and really put the customers needs at the heart of everything they do and so knowledgeable and give there exepert opinion and advice. Provided a really great quote and the work done was fab. I Couldn't fault them. The fitters were great and highly professional. The communication with all of the team at crestshields is perfect and they are so friendly. Will def be going back when need anything in the future and would thoroughly recommend you check them out if looking for windows doors etc.
Customer in Greater London
Posted on 03/05/2022
, work completed 26/04/2022
Recommended
Window Replacement
I needed to have all my double-glazed windows replaced. The initial assessment visit was very useful,and the quotation-without any pressured sales-pitch,made me decide on Crestshield. Very pleased with my 8 new windows,for style and quality. The work was carried out over 3 days,efficiently,and tidily.The fitters were polite and friendly. Contact with the office by e-mail and telephone was always useful,with any queries sorted out efficiently,by the helpful staff.
Customer in Greater London
Posted on 29/04/2022
, work completed 25/03/2022
Recommended
Great work
Replaced front door and patio doors. Sales process was very straightforward and Peter very helpful. The fitters were punctual, professional and did a great job. Back office were always available and always followed up any questions. Happy to recommend a local family company.
Customer in Greater London
Posted on 21/04/2022
, work completed 11/04/2022
Recommended
Brilliant and professional work.
Crestshield Windows fitted 3 Windows and 2 doors for us in November 21. We were delighted with the quality of the items and the professional care shown by the team from start to finish. Ben came to quote for us and was extremely courteous and polite and nothing was too much trouble, he explained everything in detail. The fitters were great and did a fantastic job. We are absolutely delighted and would thoroughly recommend Crestshield to potential customers.
Customer in East Sussex
Posted on 26/01/2022
, work completed 19/11/2021
Recommended
An excellent job
Fitted new front door and front windows. Competitive price, excellent workmanship, courteous and friendly service. Agreed without quibble to have unit which was not as ordered promptly replaced
Customer in Greater London
Posted on 21/05/2021
, work completed 14/05/2021
Recommended
Very professional, friendly and affordable
Crestshield Windows replaced our top window which had been poorly fitted and was leaking. They were very easy to communicate with, offered us a reasonable and fair quote and carried out the work to a very professional standard. We then had a bit of roofing work done which caused a gap between the window and the roof. I called them unsure of what to do. Despite being very busy they came that very same day to provide a solution to the gap. It hadn't been part of the job and they very kindly took the time to help and didn't charge extra. Highly recommended.
Abla in Greater London
Posted on 13/05/2021
, work completed 12/05/2021
Recommended