I had all the windows on my detached house refitted. Sure seal was brilliant throughout.From the initial conversation which was no pressure, right through to completion was really smooth and profe... Leggi di più
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From ordering to installation took 3 months but it was worth the wait. Perhaps the office could have been better at keeping me informed of progress but that is all water under the bridge when you see... Leggi di più
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Very impressed and happy with everything from start to finish. Honest and informative initial consultation, no pressure, helpful advice. The time from ordering to installation was spot on. The fitter,... Leggi di più
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Sorry to be late with our review. We chose Sureseal after checking the reviews & knew we could go ahead with confidence. Our windows & door were fitted in May 25 to a very high standard. Yesterday I... Leggi di più
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Sureseal Windows Limited delivers class-leading home improvements with a focus on quality, clarity and care. We design, supply and install premium windows, bi-folding doors, sliding doors and entrance doors, completed by robust rainwater protection systems (roofline) to keep your home looking sharp and performing at its best. Every product is specified for lasting performance—smooth operation, secure hardware and excellent thermal efficiency—so you feel the difference from day one. Your home is unique, so our approach is personal. We’ll help you choose the right styles, colours and finishes, from slim-sightline contemporary looks to timeless classics. Our designers listen first, offer practical guidance, and provide clear, transparent pricing. No pushy tactics—just expert advice and options that fit your home and budget. Installation matters as much as the product. Our teams work cleanly and respectfully, protect your space, and aim to leave everything neat and tidy. We coordinate fitting to minimise disruption and keep you updated throughout. Because the details count, we also offer matching roofline upgrades—fascias, soffits and guttering—so the whole exterior feels cohesive and protected against the weather. Aftercare is straightforward, too. You’ll have honest communication, dependable warranties, and a friendly team on hand if you ever need support. Whether you’re replacing a single door, opening up a view with bi-folds, upgrading to energy-efficient windows, or completing the look with roofline products, we’re here to make it easy—and to do it properly. If you’re considering improvements, we’d love to help. Book a free, no-obligation design visit and see what’s possible.
Informazioni di contatto
Unit 1 Pontarddulais Workshops, SA4 8SG, Pontarddulais, Regno Unito
- 0800 233 5576
- info@suresealwindows.org
- www.suresealwindows.org
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Excellent service and great experience
We found Sureseal through an instagram ad for grants for old windows as our 1900s house still had the original single pane windows. One of their sales team came out to chat through our options, and one of the experts came to measure up. It took us a year before we decided to progress, but the quote had only increased minimally which was great.
The team started work on the Monday - two bay windows, a back door with windows and two other windows upstairs. It was a huge job as they had to remove the single pane wooden windows, and also not damage the original coving on the ceilings etc. they really did an excellent job of ensuring the finish was a decent quality, as well as installing really lovely looking (double glazed!) windows. Took them 3 days in total, so also a super quick job. They kept the house as clean as possible throughout too, so we didn’t have loads of cleaning to do after the fact.
Their service and aftercare in particular has been excellent. There were couple of minor things that needed to be finished off after they left, and the team were excellent at keeping in touch and finalising these things.
We were really keen to use a local Welsh company over the huge national companies, and I think because of that we got excellent service, really good quality and a good price.
1 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you so much for sharing such a detailed review of your experience with Sureseal. We’re delighted that the whole process—from your first enquiry to the final touches—has left you so pleased.
Working on a character property like yours with original single pane windows and delicate coving takes real care, so it’s wonderful to hear our team delivered the quality and finish you hoped for while keeping everything tidy throughout. We’re also glad the aftercare met your expectations—making sure every detail is right is something we take great pride in.
It means a lot that you chose to support a local Welsh company over the bigger nationals, and we’re proud to have delivered excellent service, high-quality products, and a fair price. Thank you again for trusting Sureseal—we look forward to helping you in the future if ever needed.
— The Sureseal Windows Team
Lack of Communication & customer care but Great Installer
Ordered windows end of Feb, they have only just been installed (September). No updates throughout about the delays, I had to chase them to know they had an issue with one of the windows. Was supposed to be two person job for two days of work they said. The Friday before the start date on the Monday, told now a one man and four day job.
That guy, Alan, is the one saving grace for this company. Proper grafter, polite and friendly, also patient with little people asking questions. Done a great finish on all the windows and worked around our family life without issue.
Was binned us off after a further quote for more windows (as wanted to keep the style uniformed), going to look elsewhere.
*EDIT*- Since this post Sureseal have done the upmost to apologise and get to the root of the issues I experienced and been incredibly reactive to provide an affordable solution to a future window install quote. Even offering to co-ordinate with our builder (garage conversion on the cards).
8 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you for taking the time to share such a balanced and detailed review. We’re genuinely sorry for the delays and lack of communication you experienced earlier in the process—that isn’t the standard of service we aim to deliver, and we fully understand your frustration.
We’re really pleased to hear that Alan made such a positive impression with his workmanship, professionalism, and the way he worked around your family. He’ll be delighted to know his efforts were appreciated.
We’re also grateful for the chance to put things right following your feedback. Our team is committed to learning from this and ensuring communication is stronger moving forward. We’re glad we could revisit your project, provide an affordable solution, and even coordinate with your builder for your future plans.
Thank you again for your patience and for allowing us the opportunity to restore your confidence in Sureseal.
— The Sureseal Windows Team
New door and windows fitted.
We had our new door and windows fitted recently and couldn’t be happier with the service. The fitter arrived on time, was extremely professional throughout, and did a fantastic job with the installation. Everything was done efficiently and to a very high standard.
What really impressed us was how tidy he left the house afterwards! It made the whole experience stress-free from start to finish.
Would definitely recommend to anyone looking for reliable, high-quality door and window fitting.
28 febbraio 2025
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Risposta di Sureseal Windows Limited
Thank you so much for your kind words! We’re delighted to hear that you’re so happy with your new door and windows, and that the installation went smoothly from start to finish.
It’s great to know our fitter impressed you with both the quality of the work and the care taken to leave everything spotless—our team will be really pleased to hear your feedback.
We truly appreciate your recommendation and are glad we could make the whole process stress-free. Enjoy your new installation!
— The Sureseal Windows Team
A very happy customer.
I am so happy with the quality and the finish of the windows.
Sean the fitter took extreme care with the install and made sure that everything was kept clean and tidy throughout.
He was very courteous and well mannered, and took pride in his work which is reflected in the finish.
17 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you for such a lovely review! We’re thrilled to hear how pleased you are with the quality and finish of your new windows.
It’s wonderful to know that Sean made such a positive impression—his care, professionalism, and pride in his work really do shine through, and we’ll be sure to share your kind words with him.
We truly appreciate your feedback and are so glad you’re a very happy customer!
— The Sureseal Windows Team
Would recommend
The service was great throughout the process, from first consultation to fitting.
The person who came to talk me through my options was knowledgeable and talked me through all of my options.
I was working from a family home during the fitting of my windows and door, but was kept informed of the progress the entire time. When I went home afterwards, I was given my keys and advised that if there was any issues, not to hesitate to reach out.
I'm happy with the service and products received and I fully intend to use this company again when renewing the windows and doors at the back of the house!
1 febbraio 2025
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Risposta di Sureseal Windows Limited
Thank you so much for your thoughtful review and recommendation! We’re delighted that you found the whole process smooth—from the initial consultation through to the fitting.
It’s great to hear our team kept you fully informed throughout and that you’re so pleased with both the service and the products. Knowing you’d choose us again for future work is the best feedback we could hope for.
We look forward to helping you with the windows and doors at the back of your home when the time comes!
— The Sureseal Windows Team
Great company to deal with
Great company to deal with, very good communication, and very pleased with, all our windows fitted, I would highly recommend this company
7 maggio 2025
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Risposta di Sureseal Windows Limited
Thank you for your lovely feedback! We’re so pleased to hear you’re happy with your new windows and that our communication made the process smooth for you. Your recommendation means the world to us, and we’re delighted you had such a positive experience with Sureseal.
Extremely pleased with the outcome
Sean & Josh fitted 8 windows during some challenging weather.
Cleaned up every day and took care while working in our home ensuring our carpets & furniture were well covered throughout.
Extremely pleased with the outcome, will definitely use again.
12 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you for your kind words! We’re delighted to hear how pleased you are with your new windows. Sean and Josh will be so happy to know their hard work and care – even in tough weather – made such a positive difference. It’s great to hear you felt looked after throughout the installation, and we truly appreciate your trust in us. We’ll look forward to helping you again in the future!
The work was carried out professionally…
The work was carried out professionally and to a very good standard nothing was too much trouble and we had all 8 windows and door completed over 3 days.
Would certainly recommend Sure Seal to anyone looking for similar work to be completed in their home, communication was first class from ordering to completion.
14 luglio 2025
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Risposta di Sureseal Windows Limited
Thank you so much for sharing your experience! We’re delighted to hear you’re happy with the quality of the installation and the service you received from start to finish. Completing 8 windows and a door in just 3 days is no small task, and the team will be thrilled to know their professionalism and communication stood out. Your recommendation means a great deal to us – thank you again for choosing Sureseal!
Risposta di Sureseal Windows Limited
Thank you for your kind words! We’re so pleased to hear everything went smoothly from start to finish. It means a lot to us that you’re happy with the service and results.
High quality at an affordable price
Very pleased with our new windows and front door. The quality is first class - don't get me started on the ultra high security front door. I have had a lot of comments from passers going by my house! The fitting went really well and the fitters were great. Very friendly but professional and kept me up to date with the process along the way. Have recommended to friends.
9 dicembre 2024
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Risposta di Sureseal Windows Limited
Thank you for such a fantastic review! We’re delighted to hear how pleased you are with your new windows and especially your high-security front door – it’s wonderful that it’s already turning heads in the neighbourhood. Our fitting team will be so pleased to know their friendliness and professionalism made the process smooth for you. Your recommendation to friends means the world to us – thank you again for choosing Sureseal!
First Class ...... We cannot speak highly enough of this…
We cannot speak highly enough of this company from first introduction with Jason the lovely salesman and the workmanship. No hard sell, we are too old for that nonsense!
Workmanship, clearing up as they went. Making good any plaster work.
And the product itself first class.
We cannot believe how much warmer our old farmhouse is now, no draught pockets or gaps and so quiet with the double glazing.
Thank you so much Sureseal Windows. 😊
12 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you for such a wonderful review! We’re delighted to hear how happy you are with both the service and the quality of your new windows. Jason will be so pleased to know his friendly, no-pressure approach made you feel comfortable, and our installation team will be proud their workmanship and care shone through. It’s fantastic that your farmhouse already feels warmer, quieter, and more comfortable – exactly the difference we aim to deliver. On behalf of everyone at Sureseal Windows, thank you for trusting us with your home. 😊
Excellent windows and doors
Excellent windows and doors, the workmen who fitted it were top quality, really happy with it all, 100% recommend
10 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you for your kind feedback! We’re so pleased you’re happy with your new windows and doors. Our fitting team will be thrilled to know their workmanship stood out, and your recommendation really means a lot to us.
Excellent company 💯 experience with…
Excellent company 💯 experience with them. From the gentleman who came to visit, the gentleman who came to measure and omg the installation fitters so neat, clean and tidy wow never experienced such a great company to deal with. Can't believe all the work I've had done to my home all the other workmen I thought every trade was scruffy until SURESEAL came. The value and cost was amazing too. Thanks once again SURESEAL xx
1 luglio 2025
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Risposta di Sureseal Windows Limited
Thank you so much for your amazing feedback! We’re thrilled to hear that every step of the process — from the first visit to the measuring and installation — exceeded your expectations. Our fitting teams take great pride in their work, so it’s fantastic to know their cleanliness and attention to detail stood out to you.
We’re delighted you found both the quality and the value so impressive, and we truly appreciate your kind words and trust in Sureseal. Thank you again for choosing us — it’s been a pleasure! 🌟
Excellent service
From the beginning, measuring up to and including installation,everything was done professionally and speedily. I was kept informed all during the process. Excellent quality and good value
27 giugno 2025
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Risposta di Sureseal Windows Limited
Thank you for your kind review! We’re so pleased to hear you found the whole process — from measuring right through to installation — professional and efficient. It’s great to know you felt well-informed at every stage, and that the quality and value lived up to expectations.
We really appreciate you choosing Sureseal and taking the time to share your experience. 🌟
First class from startv to finish
First class from start to finish. The windows look amazing. We've got an old house so the windows sizes are all out sync and we've also shutters up which agreed to the extremely hard job the fitters had, however their experience shone through and they completed the job perfectly. Brilliant work amd really nice guys aswell, angry the quality of the product is 2nd to none. If I could give more stars I would
1 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you so much for your glowing review! We’re delighted to hear that the team’s experience and skill made such a difference, especially with the challenges of fitting windows in an older property with shutters. It’s wonderful to know you’re so pleased with both the finished look and the quality of the product.
We’ll be sure to pass on your praise to the fitters — they’ll be thrilled to know their hard work and professionalism were appreciated. If we could give you more stars for being such a fantastic customer, we would too! 🌟
Amazing service from start to finish
Amazing service from start to finish. Fast and flawless thanks again !!
5 settembre 2025
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Risposta di Sureseal Windows Limited
Thank you for your lovely feedback! We’re so pleased to hear you found the service fast and flawless from start to finish. Your kind words mean a lot to the team — and thank you again for choosing Sureseal! 🌟
Perfect!
I cannot find even the smallest thing that has annoyed me during the work done on my house! Beautiful windows, fitted to perfection. Slight issue with a broken pane, but just one of those things, and it is not the issue but the way that it is handled that will stick in my head! And it was dealt with in minutes by the Sureseal team so that our fabulous fitter, Alan, was able to reassure me in a matter of minutes that a resolution was in place! Best customer service! Have to add some more praise for our fitter, Alan …. I thought my attention to detail was up there ….. however, more than met my match in Alan! Perfection! Not posting pics because I want to improve my front garden enough to match the windows!!!! Thank you so much … a delightful process.
20 agosto 2025
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Risposta di Sureseal Windows Limited
Thank you so much for your wonderful feedback! 🌟 We’re delighted to hear how happy you are with your new windows and that the whole process was such a positive experience for you. We always say it’s not just about the products, but how any issues are handled, so it’s great to know our team were able to put things right quickly and with reassurance.
A special thank you for mentioning Alan — we’ll be sure to pass on your kind words to him, as his attention to detail and customer care are something we’re very proud of.
We look forward to hearing how your front garden turns out to match those windows! Thank you again for choosing Sureseal.
Absolutely thrilled with the quality…
Absolutely thrilled with the quality and finishes of the windows are doors.
The fitters were excellent even cleaned up after I told them there was no need.
100% recommend Sureseal Windows Ltd
21 maggio 2025
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Risposta di Sureseal Windows Limited
Thank you for such a fantastic review! We’re so pleased to hear you’re thrilled with the quality and finish of your new windows and doors. Our fitting teams take real pride in their work — and in leaving everything spotless — so your kind words mean a lot.
We truly appreciate your recommendation and thank you for choosing Sureseal Windows Ltd. 🌟
The fitters were really knowledgable…
The fitters were really knowledgable and experienced. Sean in particular went over and above staying late and arriving early to complete a rather large project. I can’t recommend Sureseal enough for great communication and after sales service.
19 giugno 2025
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Risposta di Sureseal Windows Limited
Thank you so much for your kind words! We’re delighted to hear that our fitters, especially Sean, went above and beyond to make sure your project was completed to the highest standard. We’ll be sure to share your feedback with him — he’ll be thrilled to know his efforts were appreciated.
It’s also wonderful to hear that our communication and after-sales service stood out for you. Thank you for recommending Sureseal, and for trusting us with your home improvements. 🌟
Sean window installer
Thank you to Sean for the installation of our doors and windows. He was extremely good at his job and wanted everything perfect. Unfortunately a window got damaged but was reordered and installed before leaving (excellent service ). Sean was very pleasant and kept me fully informed over the 4 day installation. Thank you Sean from Dotty!!!
24 luglio 2025
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Risposta di Sureseal Windows Limited
Thank you, Dotty, for such a lovely review! We’re so pleased to hear how happy you are with your new doors and windows, and that Sean made the whole process such a positive experience. His commitment to perfection, clear communication, and friendly manner are exactly what we aim for, and we’ll make sure he sees your kind words.
We’re glad the damaged window was quickly resolved for you, and we truly appreciate you recognising the service provided. Thank you again for choosing Sureseal! 🌟
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