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House with uPVC sash windows

UPVC sash window specialists based in Swansea

A One Home Improvements brings you replacement uPVC sash windows in Swansea. These windows combine traditional charm with modern performance and can be tailored to fit existing window frames, even on period properties. Enhance your home with our expertly crafted solutions.

Over 35 years of expertise in sliding sash windows

10-year warranty on all new window installations

Trusted uPVC sash window installers in Swansea

Window replacements that combine style and functionality

UPVC sash windows are the perfect blend of timeless elegance and modern efficiency. For homeowners in Swansea, these windows offer a classic aesthetic while delivering exceptional durability and energy performance. At A One Home Improvements, we understand the importance of maintaining your property’s character without compromising on quality. Our uPVC sash windows are designed to replicate the charm of traditional timber frames but with the added benefits of low maintenance and enhanced security. Whether you’re restoring a period property or upgrading your current home, our windows are tailored to meet your needs. With a 10-year warranty backing every installation, you can trust us to deliver windows that suit your needs.

Close-up of a new sash window in uPVC

New sash windows to suit your style

Our uPVC sash windows are built with advanced materials that ensure they’re not only weather-resistant but also energy-efficient. Available double-glazed or triple glazed for optimal insulation, these windows help keep your home warm in the winter and cool in the summer, reducing energy bills. The sliding sash mechanism is smooth and reliable, making them easy to operate while maintaining their traditional charm. Plus, with a range of customisation options, including colours, finishes, and hardware, you can create a look that’s uniquely yours. And let’s not forget the added security features, such as reinforced frames and locking systems, giving you peace of mind. Why not find out more by getting in touch?

Choose uPVC as a great alternative to timber

We work with leading manufacturers, providing you with exceptional uPVC sliding sash windows. The innovative designs allow homeowners to add traditional charm to their property and benefit from an exceptional range of performance benefits. With our profiles, you can expect improved thermal performance, durability, security, weatherproofing and design. The uPVC profiles are the perfect timber alternative that can be tailored to suit the architecture of both modern and new build properties. Unlike their timber counterparts, uPVC Sash Windows are designed so that they last for decades, and without an expensive or high maintenance care regime. Contact our friendly team of experts in Swansea to find out more about our incredible uPVC sash windows. Call 01792 795500.

Close up of sash window replacement

"As a homeowner getting work done to my property, quality and value are top of my priorities. A1 delivered on both and that is just the beginning. After a quote from Anglian for 12.5K, A1 were able to complete the same job for a third of the cost to an extremely high standard. The owner of the company was approachable, knowledgeable and took the time to discuss options I hadn't thought of, giving us a unique and personal experience. The fitters were punctual, efficient, well-mannered and tidy. They have done an excellent job and left my home spotless. For the first time ever, my home is draft free and warm. A1 home improvements, thank you." 

Col Floyd, Google Review

Looking for traditional sash windows in modern uPVC?

Contact A One Home Improvements by filling out our form or call our team in Swansea on 01792 795500

Contact us

4a Ystrad Trade Park Ystrad Road

Fforestfach

Swansea

​SA5 4JB

Business hours

Mon-Fri: 09:00 - 17:00

Sat: 09:00 - 17:00

Sun: Closed

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A ONE HOME IMPROVEMENTS (SOUTH WEST) LIMITED, registered as a limited company in England and Wales under company number: 07885202. Registered Company Address: 4a Ystrad Trade Parc Ystrad Road, Fforestfach, Swansea, West Glamorgan, Wales, SA5 4JB

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