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How To Measure For Blinds?

Though it's a simple thing to do, measuring your windows for blinds requires precision and time - rushed numbers may risk a disappointing fit. Here, we've got all the help you'll need to make sure you're measuring accurately, just remember to be sure of your numbers before you order, and always check them twice!

Things to remember

It's vital to consider protruding objects like window handles or tiles that may get in the way of your blind. You'll need to take their position into account, as it could affect how and where you hang your blind. Similarly, be mindful of where the blind controls will be positioned when measuring too.
 
As mentioned above, it's always of benefit to double check your measurements! It can help us, and you, if all your measurements are in the same metric, be that centimetres or inches.
 
Each specific blind type will have different requirements in terms of measuring, too, so be sure to take a close look at the advice given on the following pages. If you find you need more guidance, be sure to get in touch.

See our tolerances below.

Our Tolerances


Other information you may need to know are the deductions or clearance allowances we make when blinds are ordered as Recess Size. These are deducted from the recess size you give us, resulting in the finished(exact overall) blind size we manufacture to. This results in a neat and snug fit into your window opening, with no catching.

The clearance allowances we deduct are as follows:
 
Type Width Drop
15 & 25mm Venetian 13mm 6mm
35 & 50mm Venetian 13mm 12mm
Wooden Venetian 13mm 12mm
Vertical Blinds* 6mm 13mm
Roller Blinds** 4mm  
Panel Blinds 10mm 15mm
Roman Blinds 10mm  
Vertical Slats Only N/A N/A
Pleated Freehanging & Skylight 10mm  

*Vanes only are 50mm less overall than a recessed drop and 37mm less than an exact/blind-size drop.
** Overall from wall to cloth there is a total gap of 34MM.

Supplied finished blind sizes will be within the British Standard EN13120 for manufacturing tolerances.