Welcome to London Glazing Ltd!

Welcome to London Glazing Ltd’s Supply & Fit Windows & Doors page. We specialise in providing a comprehensive, end-to-end installation service in London, ensuring every home across the Greater London region benefit from expert craftsmanship. London Glazing handles everything from initial measurements to the final installation, so whether you require a full supply and fit service for a renovation, replacement frames, or a brand new installation, our expert London team can manufacture and install uPVC and aluminium windows, bifold doors, composite doors, sash windows, and many other bespoke glazing designs. We take the hassle out of your home improvements with a professional, seamless finish. Give us a call or fill out the form for a free, no-obligation quote.

Supply & Fit

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Supply & Fit – A Straightforward, Installation Service

If you’ve ever tried to juggle buying windows or doors from one place and finding an installer somewhere else… well, you already know how messy that can get. Truth be told, most people just want someone to handle the whole thing—supply the products and fit them properly, without the back-and-forth or unexpected hiccups.
That’s pretty much what our Supply & Fit service is all about.

We source the windows, doors, glass units—whatever you need—and then install them with proper care so you’re not left wondering whether something was done right. Nothing fancy, no over-the-top sales pitch, just solid workmanship.

How Our Installation Process Works (Step by Step)

Every installer will tell you they’ve got the “best process,” but here’s our way—simple and actually doable in real-world homes:

  1. A Quick Chat & Survey

First we pop over for a proper look. Measurements, frame conditions, any odd angles (there are always a few)… we check everything.
In my experience, this step alone prevents half the issues people usually get.

  1. Choosing Your Products

You pick the windows, doors, or glazing you want. We’ll give honest suggestions—sometimes the “popular choice” isn’t the best fit for the property, and we’ll tell you that upfront.

  1. Booking the Installation

Once everything’s ready from the manufacturer, we schedule a fitting day that actually works for you. Not a vague “sometime next week” type thing.

  1. Removing the Old Units

Yes, we take the old stuff out. Carefully. No smashing frames out with brute force and hoping for the best.
Some homes have decades-old timber that needs gentler handling—we adjust as needed.

  1. Fitting the New Windows or Doors

This is the part we take real pride in.
We level everything, secure it properly, insulate gaps, and finish the trims neatly.
Most people notice right away how much tighter and quieter the room feels.

  1. Cleanup & Disposal

We tidy up properly—sweep, vacuum, take away old frames, glass, packaging.
Honestly, we’ve seen installers leave a place looking like a builder’s yard… we’re not doing that.

  1. Final Checks & Walkthrough

We test openings, locks, seals, alignment—and you get the chance to check anything you’re unsure about before we pack up.

Whether your project calls for the sleek, contemporary lines of Aluminium Windows or the classic, high-insulation benefits of uPVC Windows, we provide tailored solutions for every property. Our expertise also covers robust Aluminium Doors and versatile uPVC Doors, along with high-performance Roof Windows that transform dark spaces with natural light. Because we rely on our own Bespoke Manufacturing expertise, every product is custom-engineered to meet the specific architectural demands of your home.

white color bi fold doors for london homes

Why Professional Fitting Actually Matters

People sometimes reckon fitting windows is just “putting a frame in a hole,” but that’s how draughts, leaks, and warped sashes happen.

Here’s what proper installers bring to the table:

Accuracy

A window that’s a few millimetres off can cause endless issues.
A pro knows how to work around old walls, uneven openings, and quirky builds.

Better Energy Efficiency

Good sealing + correct insulation = lower heating bills.
That bit gets overlooked a lot.

Longer Lifespan

A well-fitted window genuinely lasts years longer than a rushed job.

Fewer Future Repairs

Most of the “my window doesn’t close properly” calls come from bad installation, not bad products.

Peace of Mind

You’re not wondering who’s responsible for what—we handle the whole thing.

Warranties & Aftercare

We stand by our work.
You get:

  • Product warranties (varies depending on manufacturer)
  • Installation guarantee — if something settles, sticks, or needs tweaking, we come sort it
  • Aftercare advice — cleaning tips, maintenance, how to avoid early wear

If you ever feel unsure about something, just give us a shout. Most adjustments take only a few minutes, honestly.

Frequently Asked Questions

Final thought:

If there’s one thing I’ve learned doing this job, it’s that people don’t just want new windows or doors—they want the process to be painless. No mess, no guessing, no “call this number if something goes wrong.”
Just a job done properly, by someone who cares about the result.

And honestly, that’s what our Supply & Fit service is meant to give you.

Sleek & Modern Design

Our aluminium windows feature a slim, contemporary frame that maximizes natural light while maintaining strength and style.

Long-Lasting Durability

Built to resist corrosion and extreme weather, our aluminium windows are designed for longevity and minimal maintenance.