UPVC Window & Door Installations
At GSJ Key Services Limited, we understand that well-maintained properties not only retain their value but also offer greater comfort, safety, and efficiency.
Our expert team manages the entire process from initial consultation and precise measurements to professional installation and thorough aftercare ensuring a seamless, stress-free experience.
We use premium grade UPVC materials known for their weather resistance, thermal insulation, and low maintenance, making them an ideal choice for modern residential and commercial environments.
Every installation is carried out with meticulous attention to detail, ensuring airtight seals, perfect alignment, and long-term performance. With a wide range of styles, colours, finishes, and glazing options available, our UPVC windows and doors don’t just improve functionality they also enhance the overall aesthetic and curb appeal of your property.
Whether you're looking to reduce energy costs, boost security, or refresh your property's look, GSJ Key Services Limited is dedicated to delivering installations that meet your needs and exceed industry standards.
What We Offer
UPVC Windows
We install a wide range of UPVC window styles to suit any property—modern or traditional.
Available window types:
Our windows are designed with multi-point locking systems, double or triple glazing, and excellent thermal insulation to reduce heat loss and energy bills while improving soundproofing and comfort.
UPVC Doors
Our UPVC doors offer the perfect combination of security, style, and low maintenance.
We install:
Each installation is weather-resistant, secure, and customisable with various finishes, colours, and glazing options—ensuring your doors make a lasting first impression.
Benefits of UPVC Windows & Doors
Whether it's a one-time fix or an ongoing maintenance contract, we tailor our services to meet your specific requirements—ensuring peace of mind and consistent property performance.