--- title: About Us - Thermaseal description: Discover Nottingham's leading supplier of high-quality windows and doors. Enjoy expert advice, competitive prices, and a free no-obligation quote. --- - [Request An Appointment](https://www.thermaseal.uk.com/request-an-appointment) - [Get A Free Quote ](https://www.thermaseal.uk.com/get-a-free-quote) - [Contact](https://www.thermaseal.uk.com/contact-us) [![Thermaseal-logo](https://www.thermaseal.uk.com/hs-fs/hubfs/Thermaseal-logo.webp?width=229&height=70&name=Thermaseal-logo.webp "Thermaseal-logo")](https://www.thermaseal.uk.com/) [![Thermaseal-logo](https://www.thermaseal.uk.com/hs-fs/hubfs/Thermaseal-logo.webp?width=229&height=70&name=Thermaseal-logo.webp "Thermaseal-logo")](https://www.thermaseal.uk.com/) - [About Us](https://www.thermaseal.uk.com/about-us) - Products - [Windows](https://www.thermaseal.uk.com/windows) - [uPVC](https://www.thermaseal.uk.com/upvc-windows) - [Aluminium](https://www.thermaseal.uk.com/aluminium-windows) - [Casement](https://www.thermaseal.uk.com/casement-windows) - [Sash](https://www.thermaseal.uk.com/upvc-sash-windows) - [Tilt and Turns](https://www.thermaseal.uk.com/tilt-and-turn-window) - [Doors](https://www.thermaseal.uk.com/doors) - [uPVC and Composite Front Doors](https://www.thermaseal.uk.com/upvc-composite-front-doors) - [French, Patio, and Bi-Fold Doors](https://www.thermaseal.uk.com/french-patio-bifold-doors) - [Conservatories & Orangeries](https://www.thermaseal.uk.com/conservatory-installations) - [Replacement Roofs & Roofline Products](https://www.thermaseal.uk.com/roof-replacement-roofline) - Other Services - [Soffits, Fascias and Guttering](https://www.thermaseal.uk.com/upvc-fascias-soffits-guttering) - [Porch Installations](https://www.thermaseal.uk.com/porch-installations) - Services - [Full Design and Build Service](https://www.thermaseal.uk.com/design-and-build-services) - [Aftercare](https://www.thermaseal.uk.com/door-and-window-aftercare) - [Visit Us](https://www.thermaseal.uk.com/trade) - Resources - [Blog](https://www.thermaseal.uk.com/blog) - [FAQs](https://www.thermaseal.uk.com/faqs) - [Contact us](https://www.thermaseal.uk.com/contact-us) [![Get A Free Quote](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-279844371684.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLIGmOY%2BVGwRx96Y1RfYAuoZiRoM7z3bBFUJY86TxDm7XQHFnb9dbORMSMhr02QCLhLjSLqBIU2saqxn99kCDv7FhE%2BlLloJCv3qoiwFlKOXYNbYsgDHYKespbvW09eHDktDFSztZMaagPDizoDOmlPHE3JHpEk%2B7pRvwKNFM7yJ0f%2F%2Fw%2B1kYkD6w%2FV09AePiB%2FBPZqChA%3D%3D&webInteractiveContentId=279844371684&portalId=146943416) [![Get A Free Quote](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-279844371684.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLIGmOY%2BVGwRx96Y1RfYAuoZiRoM7z3bBFUJY86TxDm7XQHFnb9dbORMSMhr02QCLhLjSLqBIU2saqxn99kCDv7FhE%2BlLloJCv3qoiwFlKOXYNbYsgDHYKespbvW09eHDktDFSztZMaagPDizoDOmlPHE3JHpEk%2B7pRvwKNFM7yJ0f%2F%2Fw%2B1kYkD6w%2FV09AePiB%2FBPZqChA%3D%3D&webInteractiveContentId=279844371684&portalId=146943416) [![Get A Free Quote](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-279844371684.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLIGmOY%2BVGwRx96Y1RfYAuoZiRoM7z3bBFUJY86TxDm7XQHFnb9dbORMSMhr02QCLhLjSLqBIU2saqxn99kCDv7FhE%2BlLloJCv3qoiwFlKOXYNbYsgDHYKespbvW09eHDktDFSztZMaagPDizoDOmlPHE3JHpEk%2B7pRvwKNFM7yJ0f%2F%2Fw%2B1kYkD6w%2FV09AePiB%2FBPZqChA%3D%3D&webInteractiveContentId=279844371684&portalId=146943416) More results - [About Us](https://www.thermaseal.uk.com/about-us) - Products - [Windows](https://www.thermaseal.uk.com/windows) - [uPVC](https://www.thermaseal.uk.com/upvc-windows) - [Aluminium](https://www.thermaseal.uk.com/aluminium-windows) - [Casement](https://www.thermaseal.uk.com/casement-windows) - [Sash](https://www.thermaseal.uk.com/upvc-sash-windows) - [Tilt and Turns](https://www.thermaseal.uk.com/tilt-and-turn-window) - [Doors](https://www.thermaseal.uk.com/doors) - [uPVC and Composite Front Doors](https://www.thermaseal.uk.com/upvc-composite-front-doors) - [French, Patio, and Bi-Fold Doors](https://www.thermaseal.uk.com/french-patio-bifold-doors) - [Conservatories & Orangeries](https://www.thermaseal.uk.com/conservatory-installations) - [Replacement Roofs & Roofline Products](https://www.thermaseal.uk.com/roof-replacement-roofline) - Other Services - [Soffits, Fascias and Guttering](https://www.thermaseal.uk.com/upvc-fascias-soffits-guttering) - [Porch Installations](https://www.thermaseal.uk.com/porch-installations) - Services - [Full Design and Build Service](https://www.thermaseal.uk.com/design-and-build-services) - [Aftercare](https://www.thermaseal.uk.com/door-and-window-aftercare) - [Visit Us](https://www.thermaseal.uk.com/trade) - Resources - [Blog](https://www.thermaseal.uk.com/blog) - [FAQs](https://www.thermaseal.uk.com/faqs) - [Contact us](https://www.thermaseal.uk.com/contact-us) [![Get A Free Quote](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-279844371684.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLIGmOY%2BVGwRx96Y1RfYAuoZiRoM7z3bBFUJY86TxDm7XQHFnb9dbORMSMhr02QCLhLjSLqBIU2saqxn99kCDv7FhE%2BlLloJCv3qoiwFlKOXYNbYsgDHYKespbvW09eHDktDFSztZMaagPDizoDOmlPHE3JHpEk%2B7pRvwKNFM7yJ0f%2F%2Fw%2B1kYkD6w%2FV09AePiB%2FBPZqChA%3D%3D&webInteractiveContentId=279844371684&portalId=146943416) #### [![Thermaseal-logo](https://www.thermaseal.uk.com/hs-fs/hubfs/Thermaseal-logo.webp?width=216&height=66&name=Thermaseal-logo.webp)](https://146943416.hs-sites-eu1.com/) [mailto:info@thermaseallimited.co.uk](mailto:info@thermaseallimited.co.uk)  [0115 986 68 99](tel:01159866899) [  info@thermaseallimited.co.uk](mailto:info@thermaseallimited.co.uk) # About Us [![Request An Appointment](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-280077932768.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLI1PxIce8OmtKlRMMHvGCmWN4HCevsxQUISGfvDzwMxfSftd%2FDQPL3Z212ONRZK5g1tzljcj5CC5qS2cnI5TUC3TozJyR%2B2pBqK8yppp%2F3ostwZCK5K2qIYmafo95vlkGfs7zW7D2LPYegDU9mz0w8kHAOSBZg%2BYT1o9cBdIWPKPXre7TuP9dn03M8Ewf8CLyBHCQ31IHewLnWZ8A%3D%3D&webInteractiveContentId=280077932768&portalId=146943416) ## We Are Nottingham’s Leading Suppliers Of Windows And Doors. Based nearby Nottingham Forest football ground, we are a family business with over 30 years experience in supplying and installing high quality, affordable products at very competitive prices. Whether you know exactly what you need, or you’re struggling to decide, we’re always on hand to give professional, expert and friendly advice. We’ve built a reputation for outstanding service, which is why our customers always recommend [Thermaseal](https://www.thermaseal.uk.com). With our free survey and quote service, you’ll never be pushed to make a purchase. No job is too big or small, and we have solutions to suit every budget. So whether you’re after UPVC or aluminum windows, doors and conservatories, or looking for a modern home innovation like Skypod®, you can be sure we’ve got you covered. We also supply and install replacement soffits, fascias and guttering, double glazed units and all types of glass, including mirrors. Call us today for a no obligation quotation, or visit our Trade Counter to see a selection of our products on display. Full colour brochures of all our products are available on request. [![Request An Appointment](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-280077932768.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLI1PxIce8OmtKlRMMHvGCmWN4HCevsxQUISGfvDzwMxfSftd%2FDQPL3Z212ONRZK5g1tzljcj5CC5qS2cnI5TUC3TozJyR%2B2pBqK8yppp%2F3ostwZCK5K2qIYmafo95vlkGfs7zW7D2LPYegDU9mz0w8kHAOSBZg%2BYT1o9cBdIWPKPXre7TuP9dn03M8Ewf8CLyBHCQ31IHewLnWZ8A%3D%3D&webInteractiveContentId=280077932768&portalId=146943416) ![9-1-1024x889-1-qvjcvqxfghs814wujbb6q07pb0qp1k7yuohl77kc2w](https://www.thermaseal.uk.com/hs-fs/hubfs/9-1-1024x889-1-qvjcvqxfghs814wujbb6q07pb0qp1k7yuohl77kc2w.webp?width=1000&height=900&name=9-1-1024x889-1-qvjcvqxfghs814wujbb6q07pb0qp1k7yuohl77kc2w.webp) ![22728947_1794161367543244_6364579100956759887_n](https://www.thermaseal.uk.com/hs-fs/hubfs/22728947_1794161367543244_6364579100956759887_n.webp?width=960&height=720&name=22728947_1794161367543244_6364579100956759887_n.webp) > “Thank you so much for a wonderful job. We are extremely pleased with our new windows and doors. We are feeling the benefits already – there are no draughts and no dripping windows. You have a great team, very polite, clean and tidy. I can’t recommend your company enough.” ##### Mrs Spencer > “We are absolutely delighted with our new windows and doors, delivered by a very professional team from start to finish. Our house looks great and was fitted out with minimum disruption. Thank you so much.” ##### Mr & Mrs Holland > “Thank you for handling my order for a new composite door. All of your employees had excellent customer service skills and a professional approach. A job well done.” ##### Mr Watkins > “I have to tell you how impressed I am with your company. Nothing has been too much trouble, and you never tried to hard sell. You measured up, gave us lots of ideas, went away and rang back with an affordable price. Your staff have such good customer services skills, you should be very proud. I cannot recommend you enough.” ##### Mr Crogan > “All work was carried out on time, and the workers were extremely polite and very friendly. I would highly recommend Thermaseal to friends and am so glad we chose you.” ##### Mrs Draper > “Thank you and the Thermaseal staff involved in fitting my door for the efficient customer service I received.” ##### Miss Ralph > “I would like to take this opportunity to thank you all for the warm, friendly and professional service we have received from start to finish with regard to the work we needed doing at our home. The new soffits, fascias and guttering have really made a difference to the look of our home and we are very pleased indeed.” ##### Mr & Mrs Hudson > “Thank you for supplying our door and windows, we are very pleased. Not only are we happy with the products, we are also extremely glad that you sent Carl and Ray to fit them. They have done a super job. First class!” ##### Mr & Mrs Voce > “Many thanks for the punctual work and competent workforce.” ##### Mr Dunsdal ## Call Us Today Our friendly and professional team are always happy to help. [![Call Now: 0115 986 68 99](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/146943416/interactive-315523613939.png)](https://www.thermaseal.uk.com/hs/cta/wi/redirect?encryptedPayload=AVxigLJGXP8obOPJnibnoJiqOBBIjwTVuUtoW5aXzLUSMWan67YYRZTZd%2BY6ToWQ5J4rL100MavAQlMOGhOTeYSaK4PH24WCVC1JuHIOkGSdBxmU0QV0517px%2F0aBKbu1QGMU3%2FFe7onEf%2BSEEW%2BHrAPsKo80Q%3D%3D&webInteractiveContentId=315523613939&portalId=146943416) ## Customers Rate Us Highly Explore recent installations from sash window upgrades to warm roof conversions and see how thoughtful design and careful fitting can transform your home. ![google1](https://www.thermaseal.uk.com/hubfs/google1.svg) Reviews 4.9 ★ ★ ★ ★ ★ 30 reviews ❮ ❯ ★ ★ ★ ★ ★ Replaced 30 year old windows!! Excellent service. Prompt and efficient. Fair price too.Left clean and tidy inside and out. — Sharon Walker ★ ★ ★ ★ ★ Brilliant local company. Honest, reliable, quick and efficient service. Wonderful team of lads throughout whole process from enquiry to fitting. Would definitely recommend .. — Jennifer Watson ★ ★ ★ ★ ★ Replaced patio doors. Excellent workmanship. Great couple of lads. Upvc doors are very high quality made. Would recommend 👍👍👍👍👍 — Rhbzuk ★ ★ ★ ★ ★ George and everyone we’ve dealt with at Thermaseal have been a pleasure to do business with. They worked together, as a great team, to look after our needs; from sourcing quality products, to installation, and after-sales care .... — Colin Failes ★ ★ ★ ★ ★ Excellent service. They arrived promptly and did a wonderful and neat job of the new window. Paul was happy to assist with further information which we required. A great team, ... — shaila gallagher ★ ★ ★ ★ ★ Thermaseal replaced two bay windows and two casement windows for us and we would highly recommend them. They were a pleasure to deal with from start to finish, very professional and friendly. They gave us the best quote out of ... — Kate M #### [![Thermaseal-logo](https://www.thermaseal.uk.com/hs-fs/hubfs/Thermaseal-logo.webp?width=216&height=66&name=Thermaseal-logo.webp)](https://www.thermaseal.uk.com/)   [0115 986 68 99](tel:01159866899) [ info@thermaseallimited.co.uk](mailto:info@thermaseallimited.co.uk) Services - [Full Design And Build Service](https://www.thermaseal.uk.com/design-and-build-services) - [Aftercare](https://www.thermaseal.uk.com/door-and-window-aftercare) - [Visit Us](https://www.thermaseal.uk.com/trade) - [Get A Free Quote](https://www.thermaseal.uk.com/get-a-free-quote) Resources - [FAQs](https://www.thermaseal.uk.com/faqs) - [Contact Us](https://www.thermaseal.uk.com/contact-us) - [About Us](https://www.thermaseal.uk.com/about-us) - [Submit Your Pictures](https://www.thermaseal.uk.com/submit-your-pictures) - [Request An Appointment](https://www.thermaseal.uk.com/request-an-appointment) Copyright © 2026 Thermaseal Windows & Doors Ltd. 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