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Supply and Fit Services – Precision Fitting with Peace of Mind

At NexGlazing, we understand that installing bespoke windows and doors can be a complex task — one that not every builder is equipped or willing to take on. That’s why we offer a complete supply and Fit services, ensuring a seamless experience from start to finish. With our expert team, you don’t have to worry about misaligned fittings or faulty closures — we get it right the first time. 

Improper installation can turn into a costly and frustrating project, especially when low-quality fittings lead to doors or windows needing to be removed and reinstalled. That’s why our process begins with a professional survey, allowing us to take accurate measurements before manufacturing even begins. Our skilled installers are trained to handle all types of uPVC and aluminium doors and windows, including various opening styles, for a flawless fit every time. 

With years of hands-on experience, our team ensures that your installation is carried out efficiently, accurately, and without unnecessary delays. We specialise in supplying and fitting a wide range of double glazing products, designed to meet your exact needs and elevate your property's style and performance. 

Supply and Fit Services

Our Most Popular Aluminium Doors and Windows

Aluminium Doors and Windows – Supply and Fit Services

At NexGlazing, we offer a complete supply and fit service for aluminium doors and windows, delivering premium quality and precision installation in one seamless package. Our expert team handles everything — from site survey and custom design to manufacturing and professional fitting — ensuring a perfect match for your project requirements. Whether you’re upgrading your home, building an extension, or completing a new build, our aluminium doors and windows are known for their durability, modern aesthetics, and energy efficiency. With a wide selection of colours, finishes, and opening options, we help you achieve both style and performance. Trust NexGlazing to provide a hassle-free experience and outstanding results from start to finish. 

uPVC Windows and Doors – Supply and Fit Services

At NexGlazing, we provide a complete Supply and Fit service for uPVC windows and doors, designed to offer homeowners a smooth, end-to-end experience. From expert design and precision manufacturing to professional installation, we handle every stage of the project to ensure long-lasting performance and a perfect finish. Our skilled installers carry out a detailed survey to ensure accurate measurements and seamless fitting, helping you avoid costly errors and delays.

Whether you’re upgrading your property or completing a new build, our high-quality uPVC windows and doors come in a range of styles and colours to suit your home. With NexGlazing, you benefit from trusted craftsmanship, competitive pricing, and reliable after-sales support — making us your go-to choice for supply and fit double glazing solutions in the UK. 

Services

Why Choose NexGlazing?

As one of the UK’s most trusted double glazing manufacturers and suppliers, NexGlazing is committed to providing exceptional quality at competitive prices. From supply only windows and doors to uPVC windows online supply only, our in-house team delivers products that meet the highest performance standards in energy efficiency, security, and style. 

Direct-from-Manufacturer Prices

Fast Turnaround

Customised Designs

Supply Only & Supply & Install Options

Supply and instaaler

Trusted Across London

Precision Fitting

Energy Efficient Glazing

Reliable Customer Support

Our Most Popular uPVC Doors and Windows

Services

Supply and Fit Services – Complete Glazing Solutions from Start to Finish

At NexGlazing, we offer a hassle-free Supply and Fit service — a complete solution that covers everything from initial design and manufacturing to the final installation of your windows and doors. This all-in-one service is ideal for homeowners looking for exceptional double glazing products combined with expert, efficient fitting performed by our experienced installers. 

Whether you're replacing existing doors or installing new windows, our team ensures precise measurements, secure fitting, and a flawless finish every time. 

Supply and Installer

Our supply and install service includes a full range of high-quality glazing products such as:

Sliding doors

French-style doors

Casement window units

Available throughout mainland UK, this service offers complete project management, including: 

Site survey and consultation

Made-to-measure manufacturing

Delivery and professional installation

After-sales support for peace of mind

Supply and installer

If you’re looking for a seamless experience and lasting results, NexGlazing’s supply and fit service delivers every step of the way. 

Services

What is the difference between Supply only and Supply and Install ?

With a supply only service, you’re purchasing just the product — whether it’s aluminium windows, uPVC doors, double glazed units, or roof lanterns — without installation. 

Key Benefits:

  • Lower cost (can save up to £300 per unit) 
  • Greater control over your installation timeline 
  • Flexible delivery options 

A supply and install service includes both the product and professional fitting by the company’s own team or trusted partners. This is a full-service solution perfect for homeowners who want a hassle-free experience from start to finish. 

Key Benefits: 

  • Professional measurement and expert fitting 
  • Peace of mind with guaranteed workmanship 
  • One point of contact for both product and service 

Our 4-Step Window & Door Installation Process Simple, Fast & Hassle-Free

Step 1: Call Us for a Free Measurement

Book your free home visit with our expert team. We’ll come to your property to take precise measurements, assess your requirements, and offer honest advice on materials, styles, and finishes – all at no cost.

Step 2: Custom Window & Door Production

Once measurements are confirmed, your windows and doors go into production using high-grade aluminium or uPVC. Every product is tailored to your specifications, built with energy efficiency, durability, and security in mind.

Step 3: Free Delivery to Your Home

We’ll deliver your custom-made glazing units straight to your doorstep – free of charge. Our logistics team ensures safe and timely delivery, ready for installation on the scheduled date.

Step 4: Installation & Enjoy

Our experienced installers will fit your new windows and doors with precision and care. Enjoy peace of mind with our 10 to 25-year product guarantee and experience improved comfort, security, and energy savings from day one.