great people to deal with from start to finish, very easy, and happy to answer any questions, big or small. installer, Alan, was efficient, tidy and very polite. couldn't recommend highly enough. havi... See more
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Review summary
Created with AI, based on recent reviews
What people talk about most
Reviews shaping this summary
Sean and James were brilliant, really enjoyed having them around. They were polite, helpful and professional. They cleaned up after themselves several times a day and did an excellent job. Fantastic c... See more
Company replied
Had 6 windows and new front door fitted this week. I was happy from the off with the no hard sell sales just informative and professional the product seems excellent too. The fitters Jamie and Sean... See more
Company replied
Sureseal were absolutely brilliant. They weren’t pushy at all at point of quoting, the gave me every option and figure I needed with zero pressure to make a decision. No nagging sales calls. I was rid... See more
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Company details
Written by the company
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.
Contact info
Unit 1 Pontarddulais Workshops, SA4 9SG, Pontarddulais, United Kingdom
- 0800 233 5576
- info@suresealwindows.org
- www.suresealwindows.org
4.9
Excellent
493 reviews
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This company hasn't invited customers recently, so reviews may not be representative
Replied to 100% of negative reviews
Typically replies within 1 week
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Very friendly staff
Very friendly staff. Quick process all through. Kept in contact from beginning to end. Quality good.
May 14, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for your great review!
We’re really pleased to hear that you found our team friendly, the process quick and straightforward, and our communication good from start to finish.
It’s also great to know you’re happy with the quality of your new products.
Thank you for choosing Sureseal Windows.
Best wishes,
The Sureseal Team
Excellent service
Excellent service, brilliant install and quality product. I can't recommend them enough
May 14, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for the fantastic review!
We’re delighted to hear that you were so pleased with the service, installation and quality of your new products.
Your recommendation means a great deal to us. Thank you for choosing Sureseal Windows!
Best wishes,
The Sureseal Team
From start to finish they were a pleasure
From start to finish they were a pleasure to deal with.
Everthing was done very expertly from coming to explain about their windows and doors to measuring and giving a price. We did'nt feel pressured in any way.
The workmen that came were very polite and tried not to inconvenience us at all.They worked very hard and got on with the job. They also cleaned up after themselves which is good.
May 15, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for taking the time to leave us such a lovely review!
We’re delighted to hear that you found the whole experience easy and professional from start to finish. We’re particularly pleased that you appreciated our no-pressure approach and felt fully informed when choosing your new windows and doors.
It’s also great to hear that our installation team were polite, hardworking and respectful of your home, keeping disruption to a minimum and leaving everything clean and tidy.
Thank you for choosing Sureseal Windows – we really appreciate your feedback.
Best wishes,
The Sureseal Team
Youcare very good at what work you do
Youcare very good at what work you do . Brilliant
May 7, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for your brilliant review!
We’re really pleased to hear that you’re happy with the work we carried out. Your feedback is very much appreciated by everyone here.
Thank you for choosing Sureseal Windows.
Best wishes,
The Sureseal Team
Professional company
Had 6 windows and new front door fitted this week. I was happy from the off with the no hard sell sales just informative and professional the product seems excellent too.
The fitters Jamie and Sean were polite, kept everything clean and tidy and respected the property and explained the fitting procedure.
Thankyou
April 28, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for taking the time to leave us such a great review!
We’re delighted that you appreciated our informative, no-pressure approach and that you’re so pleased with your six new windows and front door.
It’s also fantastic to hear your comments about Jamie and Sean. We’ll make sure your feedback about their professionalism, tidiness and respect for your home is passed on to them both.
Thank you for choosing Sureseal Windows – we really appreciate your business.
Best wishes,
The Sureseal Team
Amazing service from start to finish
Amazing service from start to finish. Darren came to
Measure our windows and doors he was an extremely helpful and knowledgeable, putting us at ease and talking us through our options. Micheal in the office took our order and was so polite and patient. Today our doors and windows were fitted and to say they exceeded our expectations is an understatement!! Thank you Darren and Micheal we will definitely be recommending you to our nearest and dearest.
April 27, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for this fantastic review!
We’re delighted to hear that the whole experience exceeded your expectations. It’s especially lovely to hear your comments about Darren’s helpful and knowledgeable approach and Michael’s patience and professionalism in the office – we’ll make sure your kind words are passed on to them both.
Most importantly, we’re thrilled that you’re so happy with your new windows and doors.
Thank you for choosing Sureseal Windows and for recommending us to your family and friends – it really means a lot to us.
Best wishes,
The Sureseal Team
Cottage transformation
I am so pleased with the result of my new windows and doors. It was a big job but the lads worked very hard to get it done. I had a French door to replace a window and it has completely transformed my bedroom. The quality of the windows and doors is excellent and finished really well. Alan, Steve and Mike were professional, friendly and very hardworking.
April 7, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for your fantastic review!
We’re delighted to hear how pleased you are with your new windows and doors, and it’s wonderful to know that the new French doors have completely transformed your bedroom.
A big thank you for mentioning Alan, Steve and Mike. We’ll make sure your comments about their hard work, professionalism and friendly approach are passed on to them.
It sounds like quite a transformation, and we hope you enjoy the finished result for many years to come.
Best wishes,
The Sureseal Team
James and Sean
James and Sean fitted a large lounge window and entrance door last week. They were both very hardworking and professional. I’d not long moved in to the property and they were really helpful, going above and beyond to complete the work to a high standard. Thank you both.
April 10, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for taking the time to leave such a lovely review!
We’re delighted to hear how pleased you are with your new lounge window and entrance door. It’s especially great to hear that James and Sean went above and beyond to help, particularly as you had only recently moved into your new home.
We’ll make sure your kind comments about their hard work and professionalism are passed on to them both.
Thank you for choosing Sureseal Windows, and we wish you all the best in your new home!
Best wishes,
The Sureseal Team
This company is no doubt ‘Best of the Best’
This company is no doubt ‘Best of the Best’.
They installed all our windows & doors 5 years ago & everytime there’s minor problem, they’re there. After sales service is the Best company ever!!! I would definitely recommend this company very highly indeed. Special mention to Richard, Steve, Mal & all. Very polite, lovely bunch of people.
April 9, 2026
Unprompted review
Reply from Sureseal Windows Limited
Wow – “Best of the Best” is a wonderful compliment. Thank you so much!
It means even more knowing that we installed your windows and doors five years ago and that you’re still so happy with the service you receive from us. We strongly believe that looking after our customers should continue long after the installation is finished.
A special thank you for mentioning Richard, Steve and Mal – we’ll make sure your lovely comments are passed on to them.
Thank you for your continued trust in Sureseal Windows and for recommending us so highly.
Best wishes,
The Sureseal Team
Mal came to repair my lock under…
Mal came to repair my lock under warranty. He was very prompt and professional. Mal is an excellent employee; very friendly and helpful. He is a credit to your company.
April 1, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for taking the time to leave such a lovely review!
We’re really pleased to hear that Mal was able to get your lock repaired promptly under warranty and that you were so impressed with his friendly and professional service.
It’s always fantastic to hear one of our team described as a credit to the company, and we’ll make sure Mal sees your kind comments.
Thank you for choosing Sureseal Windows.
Best wishes,
The Sureseal Team
What a company
What a company! From start to finish was excellent. The two lads who fitted them were fantastic. Polite and a good crack to have around. From a old window fitter. I couldn't of got a better pair to do the job on a difficult rendered newtown home. Thank you
March 26, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for this fantastic review!
Coming from a former window fitter, your comments about the quality of the installation mean a great deal to us. It sounds like the lads had a challenging job with the rendered property, so it’s brilliant to hear how impressed you were with both their workmanship and attitude.
We’ll make sure your praise is passed on to the fitting team.
Thank you for choosing Sureseal Windows – we really appreciate it.
Best wishes,
The Sureseal Team
Start to finish positive experience of door and window replacement in new home
Sureseal replaced all our windows and doors in our new home. From start to finish they have been fantastic, from initial consultation to the surveyors visit to the fitting, everyone has been extremely helpful and professional as well as punctual and friendly.
A special mention must go to our fitter Jamie. He did a fabulous job, worked swiftly and unobtrusively. He was punctual , polite and cheerful and left no mess. He was also very mindful of our many dogs and was very considerate when working near them.
We are delighted with our new doors and windows, they have exceeded our expectations and they have really transformed the appearance of our house.
March 16, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for taking the time to leave such a wonderful and detailed review!
We’re delighted to hear that your experience was so positive from the initial consultation and survey right through to the installation, and even more pleased that your new windows and doors have exceeded your expectations and transformed your home.
A special thank you for mentioning Jamie. It’s lovely to hear how professional, considerate and tidy he was throughout the installation – especially his care around your dogs! We’ll make sure your kind words are passed on to him.
Thank you for putting your trust in Sureseal Windows. We hope you enjoy your transformed home for many years to come.
Best wishes,
The Sureseal Team
What a transformation
Very happy from start to finish with Sureseal.
Sean the fitter was excellent very professional and attention to detail second to none.
The boss said really pleased and it’s transformed the front of the property.
March 19, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for the fantastic review!
We’re delighted to hear how pleased you are with the transformation. It’s great to know that you had such a positive experience with Sureseal from start to finish.
A special thank you for mentioning Sean – “attention to detail second to none” is a brilliant compliment, and we’ll make sure your comments are passed on to him.
We hope you enjoy the new look of your home for many years to come!
Best wishes,
The Sureseal Team
Excellent company to deal with.
Excellent company to deal with from start to finish. No pushy salesman just good ideas and advice.
Fitting service was exceptional, Sean was very respectful of our home and my dog, which i was a little worried about with doors being left open ect, every time he had to leave anything open he made sure she was safely inside.
He was a professional and his attention to detail were second to none, definatly a perfectionist. Would certainly recommend this company.
March 13, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for such a fantastic review!
We’re really pleased that you appreciated our no-pressure approach and found the advice helpful from the very beginning.
It’s especially lovely to hear your comments about Sean. His professionalism and attention to detail are something we’re very proud of, and the fact that he took extra care to make sure your dog was safe throughout the installation shows the consideration we expect from our team.
We’ll make sure your kind words are passed on to Sean.
Thank you for choosing Sureseal Windows and for recommending us!
Best wishes,
The Sureseal Team
Excellent service and product.
Excellent service, great product and Sean the fitter was exemplary. Nothing was to much trouble for him. The front door looks fantastic as do all the windows and back door. We will certainly use them again.
March 6, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for the fantastic review!
We’re delighted to hear how pleased you are with your new windows, front door and back door. It’s especially great to hear such wonderful feedback about Sean – “exemplary” is a fantastic compliment, and we’ll make sure your kind words are passed on to him.
The fact that you would choose Sureseal again means a great deal to us.
Thank you for putting your trust in our team.
Best wishes,
The Sureseal Team
The work provided was excellent
The work provided was excellent, they came at the time provided ,and was very pleasant and helpful explaining everything we are very pleased with the window and would not hesitate to bye with them again, and would highly recommend them
March 6, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for your lovely review and recommendation!
We’re delighted to hear that you were so pleased with the service you received, from our team arriving on time to taking the time to explain everything clearly and help throughout the installation.
It’s great to know you’re happy with your new window, and we’d be delighted to help you again in the future.
Thank you for choosing Sureseal Windows.
Best wishes,
The Sureseal Team
The windows are beautiful
The windows are beautiful, excellent quality and look fantastic. The fitters Mal and Jamie worked really hard and kept me informed of what they were doing as the day went on.
Would definitely recommend
March 2, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for your fantastic review!
We’re delighted to hear how pleased you are with your new windows and that you’re impressed with both the quality and the finished look.
A special thank you for mentioning Mal and Jamie. We’ll make sure your comments about their hard work and great communication are passed on to them both.
Thank you for choosing Sureseal Windows and for recommending us – it really is appreciated.
Best wishes,
The Sureseal Team
Sean was knowledgeable and helpful very…
Sean was knowledgeable and helpful very customer friendly he has been amazing through the whole process. Quick fitting and excellent finish on the windows and doors. One of the pains of glass broke before he could get it off the van and it was re ordered straight away. I would recommend this company to anyone that asked and ask for Sean 5 stars is not enough I will give it a 10 star rating
February 23, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for such a fantastic review – we love the 10-star rating!
We’re delighted to hear how pleased you are with your new windows and doors and with the quality of the finished installation.
A special thank you for your wonderful comments about Sean. It’s great to hear that his knowledge, helpfulness and customer care made such a difference throughout the whole process. We’re also pleased that the damaged glass was reordered straight away and dealt with promptly.
We’ll make sure Sean sees your lovely feedback.
Thank you for choosing Sureseal Windows and for recommending us so highly.
Best wishes,
The Sureseal Team
Sean was very professional
Sean was very professional, friendly, and work he has done has been excellent. He cleaned up and left no rubbish. I would highly recommend this company. 10/10
February 21, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you for the brilliant 10/10 review!
We’re delighted to hear that you were so impressed with Sean’s workmanship, professionalism and friendly approach. Leaving our customers’ homes clean and tidy is just as important to us as delivering a high-quality installation.
We’ll make sure your kind comments are passed on to Sean.
Thank you for choosing Sureseal Windows and for recommending us so highly.
Best wishes,
The Sureseal Team
Excellent service and fitting
We have just had our windows and doors fitted. It's been a great experience and has given our home a whole new feel.
Our previous windows were fitted in the late 1980s and had degraded badly. These new ones are great.
The window fitters, Alan and Ben, we're great and nothing was too much trouble. They finished well ahead of schedule and left us with a whole new look.
We're very pleased and thank you.
February 19, 2026
Unprompted review
Reply from Sureseal Windows Limited
Thank you so much for your fantastic review!
It’s wonderful to hear what a difference your new windows and doors have made, especially after having your previous windows since the late 1980s. Giving your home a whole new look and feel is exactly the result we love to hear about.
A special thank you for mentioning Alan and Ben. We’ll make sure your comments about their hard work, helpfulness and efficient installation are passed on to them both.
We’re delighted you’re so pleased with the finished result. Thank you for choosing Sureseal Windows!
Best wishes,
The Sureseal Team
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