How to Choose the Right VELUX Blind Size

A Simple Guide to Getting the Perfect Fit First Time


It’s Easier Than You Think

One of the most common concerns when buying blinds online is getting the size right.

Many people assume they will need to measure the window, double check dimensions, or work through complicated sizing charts.

With VELUX blinds, none of that is necessary.

Every VELUX window is designed with a unique code that tells you exactly which blind you need. Once you know where to find it, choosing the correct size becomes straightforward.

If you are still exploring your options, you may find it helpful to start here:
The Ultimate Guide to VELUX Blinds


Why VELUX Blinds Fit So Precisely

VELUX blinds are not made as generic, adjustable products.

They are designed specifically for VELUX windows, which means each blind is matched to a particular window size and model.

This ensures:

  • A clean, gap-free fit
  • Smooth operation
  • Consistent performance

Because of this, there is no need to measure the glass or frame manually. The sizing is already built into the system.

To understand more about why this matters, read:
Why Choose Genuine VELUX Blinds?


Where to Find Your VELUX Window Code

Every VELUX window has an identification plate, usually located along the inside edge of the frame.

This plate contains important information, including the window size code.

You will typically find it:

  • At the top of the window when opened
  • On the side of the frame
  • On the inner edge of the sash

The code is usually a short combination of letters and numbers, such as:

  • MK04
  • SK06
  • UK08

This code is what determines the exact blind you need.


Why the Window Code Matters

The window code removes all guesswork.

Instead of measuring widths and heights, you simply select the code that matches your window.

This ensures:

  • The blind fits perfectly
  • There are no light gaps
  • Installation is straightforward

It also means you avoid one of the most common issues with blinds — ordering something that is slightly too big or too small.


Common Mistakes to Avoid

Even though the process is simple, there are a few common mistakes that can cause problems.

Measuring Instead of Using the Code

Trying to measure the window manually can lead to small inaccuracies, which affect how the blind fits.

Guessing the Size

Windows can look similar in size, but even small differences matter when it comes to blinds.

Ignoring the Code Completely

Some customers overlook the identification plate and assume they need to work it out themselves.

Using the window code avoids all of these issues.

If you want to avoid other common pitfalls, this guide may help:
Common Mistakes When Buying VELUX Blinds


What If You Cannot Find the Code?

In some cases, the identification plate may be difficult to locate or may have worn over time.

If this happens, you still have options:

  • Check the top edge of the frame carefully with the window open
  • Look along the side of the sash
  • Refer to any original window documentation

If you are still unsure, it is always better to pause and confirm rather than guess.


Choosing the Right Blind Once You Have the Code

Once you have your window code, the rest becomes simple.

You can then choose the type of blind that suits your space:

  • Blackout for bedrooms
  • Light filtering for living areas
  • Anti-heat for loft spaces
  • Venetian for kitchens and bathrooms

If you are unsure which type is best, this guide will help:
Which VELUX Blind Is Right for You?


How This Makes Installation Easier

Because the blind is matched to your exact window size, installation is straightforward.

There is no need to:

  • Cut the blind to size
  • Adjust fittings
  • Make compromises

The blind is designed to fit directly into the window, making the process quicker and more reliable.


Why Getting the Right Size Matters

A correctly sized blind does more than just look better.

It ensures:

  • Proper light control
  • Better insulation
  • Smooth operation
  • A more polished finish

Even small sizing issues can affect how well the blind performs, which is why using the correct code is so important.


A Simple Process That Saves Time

One of the advantages of VELUX blinds is how streamlined the process is.

Instead of complex measuring and adjustments, you simply:

  1. Find your window code
  2. Select the matching size
  3. Choose your preferred blind type

That is all it takes to get a blind that fits correctly and performs as expected.


Final Thoughts

Choosing the right VELUX blind size is much simpler than many people expect.

By using the window code, you can avoid guesswork, reduce the risk of mistakes, and ensure a perfect fit from the start.

This not only makes installation easier, but also ensures the blind performs properly over time.


Next Recommended Read

To continue building your understanding, you may find this helpful:

👉 Manual vs Electric vs Solar VELUX Blinds

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