Double Glazing Windows & Doors | Swindon
NexGen Windows is a multi-award-winning double glazing company based in Swindon, supplying and installing high-quality windows, doors and conservatory upgrades for homeowners across the local area. We offer stylish, secure and energy-efficient home improvement products, all fitted to a high standard by an experienced team. Whether you are replacing ageing windows, upgrading your front door or improving an older conservatory, we can help you choose the right solution for your home. Contact NexGen today for a free, no-obligation quote.
Areas We Cover
Based in Swindon, NexGen Windows also works with homeowners in surrounding areas including Marlborough, Cirencester, Chippenham, Gloucester, Cheltenham, Melksham, Devizes, Oxford and Newbury. If you are looking for experienced local installers for windows, doors or conservatory upgrades, our team can provide expert advice and a free quotation.
Nexgen Windows Limited is an Introducer Appointed Representative (Financial Services Register No. 936655) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.
Professional, premium & passionate about our windows and doors. Get a wonderful new look for your home!
Double Glazed Windows & Doors
We offer a wide range of high-quality home improvement products, from replacement windows and secure new doors to conservatory upgrades and glazing solutions. Explore some of our most popular options below, or get in touch if you would like advice on the best product for your home.
Reviews & Testimonials
"The team at NexGen windows were spot on from start to finish, the price was very fair and the guys were in and out within 2 days. The new windows and doors look great and really have transformed our house. Will deffo be using NexGen again and recommending them too everyone."
"The workmen arrived as arranged. The workmanship was excellent and they cleared up all debris. Immaculate job. Would definately recommend them."
"Two very nice men installed my patio doors, very polite and friendly. Left my dining end very tidy and very pleased with the doors. Would use them again."
"They cut the damaged wall under the window making the space for the new door and window. They take a lot of care to avoid dust and clean everything to finally install the door. Other chaps plastered the surfaces and installed the couple of tiles to obtain a 100% satisfaction work. Everything was smooth and the result is awesome."
"Couldn’t be happier with the service from NexGen Windows, they looked after us from start to finish. We had a new front door, bay window and 4 other windows installed within 2 days, the house was kept tidy throughout and the attention to detail was brilliant, it has transformed our house. Will deffo be using again and recommending to everyone."
CPA Approved Craftsman
Our Awards
We are very proud to have received the awards for Window Supplier of the year 2022/23, 2023/24 and 2024/25. We aim to continue providing excellent options for our customers.
We are a Certass trade association approved company, all of our double glazed windows and doors are delivered to the very highest standard. We have over 40 years experience behind us and can offer an extensive range of products.
Whatever the style and character of your home, we have a product to suit.
NexGen Windows & Doors
Double Glazed Windows Swindon | Doors | Conservatory
Nexgen Windows Limited is an Introducer Appointed Representative (Financial Services Register No. 936655) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.